/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 22:25:53,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 22:25:53,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 22:25:53,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 22:25:53,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 22:25:53,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 22:25:53,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 22:25:53,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 22:25:53,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 22:25:53,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 22:25:53,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 22:25:53,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 22:25:53,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 22:25:53,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 22:25:53,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 22:25:53,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 22:25:53,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 22:25:53,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 22:25:53,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 22:25:53,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 22:25:53,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 22:25:53,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 22:25:53,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 22:25:53,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 22:25:53,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 22:25:53,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 22:25:53,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 22:25:53,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 22:25:53,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 22:25:53,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 22:25:53,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 22:25:53,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 22:25:53,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 22:25:53,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 22:25:53,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 22:25:53,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 22:25:53,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 22:25:53,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 22:25:53,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 22:25:53,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 22:25:53,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 22:25:53,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 22:25:53,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 22:25:53,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 22:25:53,159 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 22:25:53,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 22:25:53,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 22:25:53,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 22:25:53,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 22:25:53,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 22:25:53,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 22:25:53,160 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 22:25:53,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 22:25:53,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 22:25:53,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 22:25:53,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 22:25:53,526 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 22:25:53,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2021-02-23 22:25:53,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bd7836e/78d4ec035b6843939e160169189fcffd/FLAGcccd54dee [2021-02-23 22:25:54,255 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 22:25:54,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2021-02-23 22:25:54,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bd7836e/78d4ec035b6843939e160169189fcffd/FLAGcccd54dee [2021-02-23 22:25:54,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bd7836e/78d4ec035b6843939e160169189fcffd [2021-02-23 22:25:54,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 22:25:54,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 22:25:54,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 22:25:54,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 22:25:54,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 22:25:54,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:25:54" (1/1) ... [2021-02-23 22:25:54,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f70c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:54, skipping insertion in model container [2021-02-23 22:25:54,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:25:54" (1/1) ... [2021-02-23 22:25:54,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 22:25:54,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 22:25:54,871 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c[7822,7835] [2021-02-23 22:25:54,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:25:54,964 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 22:25:55,020 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c[7822,7835] [2021-02-23 22:25:55,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:25:55,174 INFO L208 MainTranslator]: Completed translation [2021-02-23 22:25:55,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55 WrapperNode [2021-02-23 22:25:55,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 22:25:55,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 22:25:55,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 22:25:55,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 22:25:55,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (1/1) ... [2021-02-23 22:25:55,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (1/1) ... [2021-02-23 22:25:55,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (1/1) ... [2021-02-23 22:25:55,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (1/1) ... [2021-02-23 22:25:55,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (1/1) ... [2021-02-23 22:25:55,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (1/1) ... [2021-02-23 22:25:55,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (1/1) ... [2021-02-23 22:25:55,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 22:25:55,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 22:25:55,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 22:25:55,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 22:25:55,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (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 [2021-02-23 22:25:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 22:25:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 22:25:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 22:25:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 22:25:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 22:25:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 22:25:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 22:25:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 22:25:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 22:25:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 22:25:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-23 22:25:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-23 22:25:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 22:25:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 22:25:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 22:25:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-23 22:25:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 22:25:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 22:25:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 22:25:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 22:25:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 22:25:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 22:25:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-23 22:25:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-23 22:25:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-23 22:25:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-23 22:25:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 22:25:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 22:25:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 22:25:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 22:25:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 22:25:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 22:25:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-23 22:25:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-23 22:25:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-23 22:25:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 22:25:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 22:25:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 22:25:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 22:25:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 22:25:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 22:25:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 22:25:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 22:25:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 22:25:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 22:25:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 22:25:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 22:25:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 22:25:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 22:25:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 22:25:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 22:25:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 22:25:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 22:25:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 22:25:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 22:25:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 22:25:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 22:25:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 22:25:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-23 22:25:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-23 22:25:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 22:25:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 22:25:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 22:25:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 22:25:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 22:25:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-23 22:25:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-23 22:25:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-23 22:25:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-23 22:25:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 22:25:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 22:25:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-23 22:25:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 22:25:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-23 22:25:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-23 22:25:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 22:25:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 22:25:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 22:25:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 22:25:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 22:25:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 22:25:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 22:25:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 22:25:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-23 22:25:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 22:25:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 22:25:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 22:25:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 22:25:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 22:25:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 22:25:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 22:25:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 22:25:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 22:25:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 22:25:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 22:25:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 22:25:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 22:25:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 22:25:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 22:25:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 22:25:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 22:25:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 22:25:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 22:25:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 22:25:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 22:25:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 22:25:57,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 22:25:57,202 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 22:25:57,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:25:57 BoogieIcfgContainer [2021-02-23 22:25:57,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 22:25:57,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 22:25:57,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 22:25:57,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 22:25:57,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 10:25:54" (1/3) ... [2021-02-23 22:25:57,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1154bcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:25:57, skipping insertion in model container [2021-02-23 22:25:57,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:25:55" (2/3) ... [2021-02-23 22:25:57,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1154bcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:25:57, skipping insertion in model container [2021-02-23 22:25:57,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:25:57" (3/3) ... [2021-02-23 22:25:57,220 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2021-02-23 22:25:57,227 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 22:25:57,233 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 22:25:57,249 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 22:25:57,272 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 22:25:57,273 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 22:25:57,273 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 22:25:57,273 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 22:25:57,273 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 22:25:57,273 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 22:25:57,273 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 22:25:57,273 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 22:25:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states. [2021-02-23 22:25:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-23 22:25:57,323 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:25:57,324 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] [2021-02-23 22:25:57,325 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:25:57,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:25:57,331 INFO L82 PathProgramCache]: Analyzing trace with hash -91045322, now seen corresponding path program 1 times [2021-02-23 22:25:57,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:25:57,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829682259] [2021-02-23 22:25:57,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:25:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:57,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:57,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:57,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:57,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,360 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:25:58,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:25:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:25:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:25:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:25:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:25:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:25:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 22:25:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:25:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-23 22:25:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-23 22:25:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:25:58,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:25:58,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:25:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 22:25:58,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829682259] [2021-02-23 22:25:58,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:25:58,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 22:25:58,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188522165] [2021-02-23 22:25:58,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 22:25:58,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:25:58,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 22:25:58,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 22:25:58,611 INFO L87 Difference]: Start difference. First operand 366 states. Second operand 4 states. [2021-02-23 22:26:00,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:26:00,571 INFO L93 Difference]: Finished difference Result 590 states and 693 transitions. [2021-02-23 22:26:00,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 22:26:00,573 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-23 22:26:00,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:26:00,592 INFO L225 Difference]: With dead ends: 590 [2021-02-23 22:26:00,592 INFO L226 Difference]: Without dead ends: 365 [2021-02-23 22:26:00,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 22:26:00,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-02-23 22:26:00,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 314. [2021-02-23 22:26:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2021-02-23 22:26:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 344 transitions. [2021-02-23 22:26:00,801 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 344 transitions. Word has length 165 [2021-02-23 22:26:00,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:26:00,802 INFO L480 AbstractCegarLoop]: Abstraction has 314 states and 344 transitions. [2021-02-23 22:26:00,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 22:26:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 344 transitions. [2021-02-23 22:26:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-23 22:26:00,809 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:26:00,809 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] [2021-02-23 22:26:00,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 22:26:00,810 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:26:00,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:26:00,811 INFO L82 PathProgramCache]: Analyzing trace with hash -174877854, now seen corresponding path program 1 times [2021-02-23 22:26:00,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:26:00,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950474546] [2021-02-23 22:26:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:26:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:00,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:00,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:00,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:00,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:00,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:00,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,303 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:26:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:26:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:26:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:26:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:26:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:26:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:26:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:26:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 22:26:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:01,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:01,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 22:26:01,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950474546] [2021-02-23 22:26:01,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:26:01,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 22:26:01,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477965420] [2021-02-23 22:26:01,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 22:26:01,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:26:01,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 22:26:01,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 22:26:01,423 INFO L87 Difference]: Start difference. First operand 314 states and 344 transitions. Second operand 5 states. [2021-02-23 22:26:02,237 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:26:03,791 INFO L93 Difference]: Finished difference Result 508 states and 576 transitions. [2021-02-23 22:26:03,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 22:26:03,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-23 22:26:03,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:26:03,804 INFO L225 Difference]: With dead ends: 508 [2021-02-23 22:26:03,804 INFO L226 Difference]: Without dead ends: 354 [2021-02-23 22:26:03,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 22:26:03,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-02-23 22:26:03,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 304. [2021-02-23 22:26:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-02-23 22:26:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 331 transitions. [2021-02-23 22:26:03,916 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 331 transitions. Word has length 166 [2021-02-23 22:26:03,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:26:03,917 INFO L480 AbstractCegarLoop]: Abstraction has 304 states and 331 transitions. [2021-02-23 22:26:03,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 22:26:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 331 transitions. [2021-02-23 22:26:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-23 22:26:03,920 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:26:03,921 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] [2021-02-23 22:26:03,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 22:26:03,921 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:26:03,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:26:03,922 INFO L82 PathProgramCache]: Analyzing trace with hash -168800395, now seen corresponding path program 1 times [2021-02-23 22:26:03,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:26:03,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178339706] [2021-02-23 22:26:03,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:26:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:04,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:04,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:26:04,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,375 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:26:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:26:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:26:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:26:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:26:04,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:26:04,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:26:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:26:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 22:26:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:04,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:26:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-23 22:26:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-23 22:26:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:04,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:04,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 22:26:04,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178339706] [2021-02-23 22:26:04,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:26:04,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 22:26:04,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854306940] [2021-02-23 22:26:04,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 22:26:04,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:26:04,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 22:26:04,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 22:26:04,570 INFO L87 Difference]: Start difference. First operand 304 states and 331 transitions. Second operand 11 states. [2021-02-23 22:26:05,329 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:26:05,795 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:26:06,235 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:26:06,596 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:07,006 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:26:07,380 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:08,677 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:12,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:26:12,024 INFO L93 Difference]: Finished difference Result 843 states and 982 transitions. [2021-02-23 22:26:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 22:26:12,025 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-23 22:26:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:26:12,032 INFO L225 Difference]: With dead ends: 843 [2021-02-23 22:26:12,032 INFO L226 Difference]: Without dead ends: 659 [2021-02-23 22:26:12,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-23 22:26:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-02-23 22:26:12,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 556. [2021-02-23 22:26:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2021-02-23 22:26:12,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 626 transitions. [2021-02-23 22:26:12,317 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 626 transitions. Word has length 179 [2021-02-23 22:26:12,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:26:12,318 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 626 transitions. [2021-02-23 22:26:12,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 22:26:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 626 transitions. [2021-02-23 22:26:12,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-23 22:26:12,322 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:26:12,323 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] [2021-02-23 22:26:12,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 22:26:12,323 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:26:12,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:26:12,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1186107634, now seen corresponding path program 1 times [2021-02-23 22:26:12,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:26:12,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852874400] [2021-02-23 22:26:12,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:26:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,742 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:26:12,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:26:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:26:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:26:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:26:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:26:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-23 22:26:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 22:26:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-23 22:26:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 22:26:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:12,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:12,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:12,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 22:26:12,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852874400] [2021-02-23 22:26:12,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:26:12,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 22:26:12,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71952648] [2021-02-23 22:26:12,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 22:26:12,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:26:12,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 22:26:12,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-23 22:26:12,938 INFO L87 Difference]: Start difference. First operand 556 states and 626 transitions. Second operand 10 states. [2021-02-23 22:26:13,565 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:26:14,628 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:15,028 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:26:16,312 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:26:16,686 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:17,109 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:17,464 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:17,865 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:26:18,232 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:19,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:26:19,645 INFO L93 Difference]: Finished difference Result 1273 states and 1528 transitions. [2021-02-23 22:26:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-23 22:26:19,646 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-23 22:26:19,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:26:19,654 INFO L225 Difference]: With dead ends: 1273 [2021-02-23 22:26:19,654 INFO L226 Difference]: Without dead ends: 837 [2021-02-23 22:26:19,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-23 22:26:19,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2021-02-23 22:26:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 744. [2021-02-23 22:26:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2021-02-23 22:26:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 840 transitions. [2021-02-23 22:26:20,073 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 840 transitions. Word has length 184 [2021-02-23 22:26:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:26:20,074 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 840 transitions. [2021-02-23 22:26:20,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 22:26:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 840 transitions. [2021-02-23 22:26:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-23 22:26:20,079 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:26:20,079 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] [2021-02-23 22:26:20,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 22:26:20,080 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:26:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:26:20,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1319610581, now seen corresponding path program 1 times [2021-02-23 22:26:20,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:26:20,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800439231] [2021-02-23 22:26:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:26:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,478 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:26:20,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:26:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:26:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:26:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:26:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:26:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 22:26:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:26:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 22:26:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:20,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:20,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:26:20,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:26:20,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:26:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:26:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:26:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 22:26:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-23 22:26:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:20,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:20,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 22:26:20,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800439231] [2021-02-23 22:26:20,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:26:20,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 22:26:20,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678645656] [2021-02-23 22:26:20,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 22:26:20,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:26:20,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 22:26:20,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 22:26:20,779 INFO L87 Difference]: Start difference. First operand 744 states and 840 transitions. Second operand 11 states. [2021-02-23 22:26:22,582 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:22,975 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:26:23,362 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 22:26:23,746 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:24,125 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:26:24,459 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:26,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:26:26,058 INFO L93 Difference]: Finished difference Result 1576 states and 1888 transitions. [2021-02-23 22:26:26,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 22:26:26,059 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2021-02-23 22:26:26,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:26:26,066 INFO L225 Difference]: With dead ends: 1576 [2021-02-23 22:26:26,066 INFO L226 Difference]: Without dead ends: 952 [2021-02-23 22:26:26,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-23 22:26:26,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2021-02-23 22:26:26,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 763. [2021-02-23 22:26:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2021-02-23 22:26:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 860 transitions. [2021-02-23 22:26:26,363 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 860 transitions. Word has length 222 [2021-02-23 22:26:26,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:26:26,363 INFO L480 AbstractCegarLoop]: Abstraction has 763 states and 860 transitions. [2021-02-23 22:26:26,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 22:26:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 860 transitions. [2021-02-23 22:26:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-23 22:26:26,367 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:26:26,368 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] [2021-02-23 22:26:26,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 22:26:26,368 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:26:26,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:26:26,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1257281845, now seen corresponding path program 1 times [2021-02-23 22:26:26,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:26:26,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197338496] [2021-02-23 22:26:26,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:26:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:26,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:26,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,729 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:26:26,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:26:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:26:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:26:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:26:26,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:26:26,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:26:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:26:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 22:26:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:26:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 22:26:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:26,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:26,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:26:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:26,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:26,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:26:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 22:26:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:26,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-23 22:26:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:26,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:26,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 22:26:27,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197338496] [2021-02-23 22:26:27,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:26:27,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 22:26:27,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242820378] [2021-02-23 22:26:27,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 22:26:27,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:26:27,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 22:26:27,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-23 22:26:27,025 INFO L87 Difference]: Start difference. First operand 763 states and 860 transitions. Second operand 14 states. [2021-02-23 22:26:27,751 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:28,119 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:26:28,493 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:28,846 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:26:29,211 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:30,581 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:30,965 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:26:31,391 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:31,820 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:26:32,218 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:26:34,291 INFO L93 Difference]: Finished difference Result 1617 states and 1959 transitions. [2021-02-23 22:26:34,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 22:26:34,292 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 222 [2021-02-23 22:26:34,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:26:34,300 INFO L225 Difference]: With dead ends: 1617 [2021-02-23 22:26:34,300 INFO L226 Difference]: Without dead ends: 974 [2021-02-23 22:26:34,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-23 22:26:34,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2021-02-23 22:26:34,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 775. [2021-02-23 22:26:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2021-02-23 22:26:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 872 transitions. [2021-02-23 22:26:34,640 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 872 transitions. Word has length 222 [2021-02-23 22:26:34,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:26:34,640 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 872 transitions. [2021-02-23 22:26:34,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 22:26:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 872 transitions. [2021-02-23 22:26:34,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-23 22:26:34,645 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:26:34,646 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] [2021-02-23 22:26:34,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 22:26:34,646 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:26:34,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:26:34,647 INFO L82 PathProgramCache]: Analyzing trace with hash -897779534, now seen corresponding path program 1 times [2021-02-23 22:26:34,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:26:34,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768235404] [2021-02-23 22:26:34,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:26:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:34,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:34,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:34,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:34,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:34,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:34,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:34,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:34,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:34,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:34,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:26:34,736 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-23 22:26:34,737 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-23 22:26:34,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:34,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,061 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:26:35,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:26:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:26:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:26:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:26:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:26:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:26:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 22:26:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:26:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 22:26:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:35,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:26:35,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:26:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:26:35,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:26:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:26:35,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:26:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 22:26:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-23 22:26:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:35,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:35,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 22:26:35,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768235404] [2021-02-23 22:26:35,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:26:35,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 22:26:35,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981044696] [2021-02-23 22:26:35,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 22:26:35,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:26:35,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 22:26:35,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 22:26:35,304 INFO L87 Difference]: Start difference. First operand 775 states and 872 transitions. Second operand 8 states. [2021-02-23 22:26:35,906 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:26:36,715 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:26:40,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:26:40,631 INFO L93 Difference]: Finished difference Result 2406 states and 2943 transitions. [2021-02-23 22:26:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-23 22:26:40,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 222 [2021-02-23 22:26:40,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:26:40,643 INFO L225 Difference]: With dead ends: 2406 [2021-02-23 22:26:40,644 INFO L226 Difference]: Without dead ends: 1751 [2021-02-23 22:26:40,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2021-02-23 22:26:40,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2021-02-23 22:26:41,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1483. [2021-02-23 22:26:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2021-02-23 22:26:41,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1695 transitions. [2021-02-23 22:26:41,366 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1695 transitions. Word has length 222 [2021-02-23 22:26:41,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:26:41,367 INFO L480 AbstractCegarLoop]: Abstraction has 1483 states and 1695 transitions. [2021-02-23 22:26:41,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 22:26:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1695 transitions. [2021-02-23 22:26:41,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-02-23 22:26:41,372 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:26:41,372 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] [2021-02-23 22:26:41,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 22:26:41,373 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:26:41,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:26:41,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1166697001, now seen corresponding path program 1 times [2021-02-23 22:26:41,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:26:41,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912230534] [2021-02-23 22:26:41,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:26:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:41,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:41,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:41,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:41,495 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 22:26:41,496 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 22:26:41,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:41,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:41,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:41,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:41,816 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:26:41,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:41,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:26:41,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:26:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:41,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:26:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:41,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:26:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:41,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:26:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:26:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:41,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:26:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:26:41,963 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-23 22:26:41,963 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-23 22:26:41,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:26:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:41,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:41,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:41,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 22:26:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:26:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-23 22:26:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:26:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:26:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:26:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-23 22:26:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:42,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:26:42,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-02-23 22:26:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:26:42,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:26:42,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:26:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 22:26:42,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912230534] [2021-02-23 22:26:42,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:26:42,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-23 22:26:42,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822794870] [2021-02-23 22:26:42,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-23 22:26:42,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:26:42,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-23 22:26:42,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-23 22:26:42,201 INFO L87 Difference]: Start difference. First operand 1483 states and 1695 transitions. Second operand 15 states. [2021-02-23 22:26:43,184 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-23 22:26:44,253 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:26:45,784 WARN L202 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-23 22:26:46,531 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-23 22:26:47,013 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:47,390 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:26:48,075 WARN L202 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-23 22:26:48,475 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:48,922 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:26:49,352 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:53,496 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-23 22:26:54,160 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:26:54,534 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:26:55,139 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:26:56,848 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-23 22:26:57,532 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-23 22:26:58,262 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-23 22:26:59,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:26:59,519 INFO L93 Difference]: Finished difference Result 4578 states and 5625 transitions. [2021-02-23 22:26:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-23 22:26:59,520 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 227 [2021-02-23 22:26:59,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:26:59,544 INFO L225 Difference]: With dead ends: 4578 [2021-02-23 22:26:59,544 INFO L226 Difference]: Without dead ends: 3506 [2021-02-23 22:26:59,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2021-02-23 22:26:59,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3506 states. [2021-02-23 22:27:01,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3506 to 2790. [2021-02-23 22:27:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2021-02-23 22:27:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3166 transitions. [2021-02-23 22:27:01,238 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3166 transitions. Word has length 227 [2021-02-23 22:27:01,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:27:01,239 INFO L480 AbstractCegarLoop]: Abstraction has 2790 states and 3166 transitions. [2021-02-23 22:27:01,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-23 22:27:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3166 transitions. [2021-02-23 22:27:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-02-23 22:27:01,247 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:27:01,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:27:01,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 22:27:01,248 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:27:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:27:01,249 INFO L82 PathProgramCache]: Analyzing trace with hash 578847869, now seen corresponding path program 1 times [2021-02-23 22:27:01,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:27:01,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921275427] [2021-02-23 22:27:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:27:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:01,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:01,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:27:01,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:27:01,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:27:01,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,684 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:27:01,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:27:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:27:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:27:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:01,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:01,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:27:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:27:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:27:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:27:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:27:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:01,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:27:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:01,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:01,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:01,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:27:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:27:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 22:27:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:27:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-02-23 22:27:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,944 WARN L141 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-02-23 22:27:01,945 WARN L147 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size 8 [2021-02-23 22:27:01,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 22:27:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:01,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:01,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:01,992 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:27:01,993 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:27:02,021 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:27:02,021 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:27:02,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-02-23 22:27:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-02-23 22:27:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:27:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:27:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:27:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 22:27:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-23 22:27:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-02-23 22:27:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:02,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:02,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-02-23 22:27:02,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921275427] [2021-02-23 22:27:02,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:27:02,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-02-23 22:27:02,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852270516] [2021-02-23 22:27:02,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 22:27:02,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:27:02,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 22:27:02,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-02-23 22:27:02,231 INFO L87 Difference]: Start difference. First operand 2790 states and 3166 transitions. Second operand 19 states. [2021-02-23 22:27:03,231 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:27:03,616 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:27:03,989 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:27:04,371 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:27:04,757 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:27:05,922 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-23 22:27:06,452 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 22:27:06,987 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 22:27:07,373 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:27:07,800 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:27:08,318 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 22:27:08,874 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 22:27:09,334 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 22:27:11,208 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:27:12,887 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:27:13,634 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-23 22:27:14,446 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-23 22:27:14,973 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:27:15,881 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:27:16,602 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 22:27:17,071 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 22:27:18,111 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-23 22:27:18,817 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:27:19,618 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2021-02-23 22:27:20,538 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2021-02-23 22:27:21,939 WARN L202 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2021-02-23 22:27:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:27:23,895 INFO L93 Difference]: Finished difference Result 6255 states and 7377 transitions. [2021-02-23 22:27:23,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-23 22:27:23,896 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 341 [2021-02-23 22:27:23,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:27:23,924 INFO L225 Difference]: With dead ends: 6255 [2021-02-23 22:27:23,925 INFO L226 Difference]: Without dead ends: 3861 [2021-02-23 22:27:23,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2442 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=1407, Invalid=6603, Unknown=0, NotChecked=0, Total=8010 [2021-02-23 22:27:23,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2021-02-23 22:27:25,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3210. [2021-02-23 22:27:25,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3210 states. [2021-02-23 22:27:25,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 3210 states and 3571 transitions. [2021-02-23 22:27:25,702 INFO L78 Accepts]: Start accepts. Automaton has 3210 states and 3571 transitions. Word has length 341 [2021-02-23 22:27:25,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:27:25,703 INFO L480 AbstractCegarLoop]: Abstraction has 3210 states and 3571 transitions. [2021-02-23 22:27:25,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 22:27:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 3571 transitions. [2021-02-23 22:27:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-02-23 22:27:25,723 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:27:25,724 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:27:25,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 22:27:25,724 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:27:25,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:27:25,725 INFO L82 PathProgramCache]: Analyzing trace with hash 75711060, now seen corresponding path program 1 times [2021-02-23 22:27:25,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:27:25,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588087342] [2021-02-23 22:27:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:27:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:25,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:25,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:25,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:25,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:25,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:25,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:25,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:25,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:25,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:25,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,164 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:27:26,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:27:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:27:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:27:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:27:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:27:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:27:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:27:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:27:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:27:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:27:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:27:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 22:27:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:27:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-23 22:27:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:27:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:27:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:27:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:27:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:27:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 22:27:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 22:27:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-02-23 22:27:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-23 22:27:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:27:26,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:27:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:27:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:26,446 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:27:26,446 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:27:26,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 22:27:26,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:26,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:26,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:26,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:27:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:26,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:26,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:27:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:27:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-02-23 22:27:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-02-23 22:27:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-02-23 22:27:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:27:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:27:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-02-23 22:27:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-02-23 22:27:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:26,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:26,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-02-23 22:27:26,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588087342] [2021-02-23 22:27:26,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:27:26,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-02-23 22:27:26,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902471999] [2021-02-23 22:27:26,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 22:27:26,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:27:26,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 22:27:26,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-02-23 22:27:26,867 INFO L87 Difference]: Start difference. First operand 3210 states and 3571 transitions. Second operand 17 states. [2021-02-23 22:27:27,629 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:27:28,887 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:27:34,607 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:27:35,032 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:27:35,474 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:27:35,896 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:27:36,367 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:27:36,797 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:27:37,191 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:27:37,615 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:27:38,004 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:27:38,433 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:27:38,872 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:27:39,288 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:27:40,077 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2021-02-23 22:27:40,549 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:27:41,300 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2021-02-23 22:27:41,737 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:27:42,193 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 22:27:42,616 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 22:27:47,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:27:47,390 INFO L93 Difference]: Finished difference Result 10094 states and 11669 transitions. [2021-02-23 22:27:47,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-23 22:27:47,395 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 516 [2021-02-23 22:27:47,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:27:47,436 INFO L225 Difference]: With dead ends: 10094 [2021-02-23 22:27:47,437 INFO L226 Difference]: Without dead ends: 7017 [2021-02-23 22:27:47,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=840, Invalid=3582, Unknown=0, NotChecked=0, Total=4422 [2021-02-23 22:27:47,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7017 states. [2021-02-23 22:27:50,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7017 to 6212. [2021-02-23 22:27:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6212 states. [2021-02-23 22:27:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6212 states to 6212 states and 6857 transitions. [2021-02-23 22:27:50,302 INFO L78 Accepts]: Start accepts. Automaton has 6212 states and 6857 transitions. Word has length 516 [2021-02-23 22:27:50,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:27:50,303 INFO L480 AbstractCegarLoop]: Abstraction has 6212 states and 6857 transitions. [2021-02-23 22:27:50,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 22:27:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 6212 states and 6857 transitions. [2021-02-23 22:27:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2021-02-23 22:27:50,322 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:27:50,323 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:27:50,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 22:27:50,323 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:27:50,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:27:50,324 INFO L82 PathProgramCache]: Analyzing trace with hash 684464651, now seen corresponding path program 1 times [2021-02-23 22:27:50,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:27:50,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72027857] [2021-02-23 22:27:50,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:27:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:50,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:50,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:27:50,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,743 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:27:50,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:27:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:27:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:27:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:50,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:50,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:27:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:27:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:27:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-23 22:27:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:50,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 22:27:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 22:27:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:27:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:27:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:27:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 22:27:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:50,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:50,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:50,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-02-23 22:27:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-02-23 22:27:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:27:51,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:27:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:27:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,064 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:27:51,065 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:27:51,098 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:27:51,099 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:27:51,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 22:27:51,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 22:27:51,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:51,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:51,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:51,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:27:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:51,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:27:51,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:27:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:27:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 22:27:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 22:27:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-02-23 22:27:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-02-23 22:27:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:27:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:27:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:27:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:27:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:27:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-02-23 22:27:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-02-23 22:27:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:27:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-02-23 22:27:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:27:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:27:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:27:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-02-23 22:27:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-02-23 22:27:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:27:51,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:27:51,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:27:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-02-23 22:27:51,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72027857] [2021-02-23 22:27:51,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:27:51,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2021-02-23 22:27:51,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306709525] [2021-02-23 22:27:51,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-23 22:27:51,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:27:51,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-23 22:27:51,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-02-23 22:27:51,606 INFO L87 Difference]: Start difference. First operand 6212 states and 6857 transitions. Second operand 23 states. [2021-02-23 22:27:52,555 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:27:53,153 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:27:53,592 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:27:54,002 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:27:54,407 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:27:54,800 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:27:55,997 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:28:02,789 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:03,228 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:28:03,679 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:04,113 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:04,540 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:28:04,970 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:28:05,371 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:05,814 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:28:06,238 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:06,802 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:28:07,226 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:07,633 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:28:08,413 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:28:09,225 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-23 22:28:09,988 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:28:15,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:28:15,516 INFO L93 Difference]: Finished difference Result 13049 states and 15128 transitions. [2021-02-23 22:28:15,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-02-23 22:28:15,517 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 521 [2021-02-23 22:28:15,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:28:15,562 INFO L225 Difference]: With dead ends: 13049 [2021-02-23 22:28:15,563 INFO L226 Difference]: Without dead ends: 7558 [2021-02-23 22:28:15,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2115 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=1289, Invalid=6021, Unknown=0, NotChecked=0, Total=7310 [2021-02-23 22:28:15,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7558 states. [2021-02-23 22:28:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7558 to 5732. [2021-02-23 22:28:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5732 states. [2021-02-23 22:28:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5732 states to 5732 states and 6319 transitions. [2021-02-23 22:28:18,031 INFO L78 Accepts]: Start accepts. Automaton has 5732 states and 6319 transitions. Word has length 521 [2021-02-23 22:28:18,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:28:18,032 INFO L480 AbstractCegarLoop]: Abstraction has 5732 states and 6319 transitions. [2021-02-23 22:28:18,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-23 22:28:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 5732 states and 6319 transitions. [2021-02-23 22:28:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2021-02-23 22:28:18,049 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:28:18,049 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:28:18,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 22:28:18,050 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:28:18,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:28:18,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1767102653, now seen corresponding path program 2 times [2021-02-23 22:28:18,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:28:18,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986651518] [2021-02-23 22:28:18,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:28:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:28:18,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,428 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:28:18,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:28:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:28:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:28:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:28:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:28:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:28:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:28:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:28:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:18,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:28:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:28:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:28:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 22:28:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,567 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:28:18,568 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:28:18,592 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:28:18,592 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:28:18,616 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 22:28:18,616 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 22:28:18,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:28:18,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:28:18,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:28:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-23 22:28:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:18,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:28:18,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:18,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:28:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:18,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:28:18,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:28:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:28:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:28:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:28:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 22:28:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 22:28:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,762 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:28:18,762 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:28:18,782 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:28:18,783 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:28:18,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:28:18,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:18,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:18,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-02-23 22:28:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-02-23 22:28:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-02-23 22:28:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:28:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:28:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:28:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:28:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:28:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-02-23 22:28:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-02-23 22:28:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-02-23 22:28:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:28:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:28:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-02-23 22:28:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:18,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-02-23 22:28:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:18,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:18,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-02-23 22:28:19,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986651518] [2021-02-23 22:28:19,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:28:19,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-02-23 22:28:19,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957457133] [2021-02-23 22:28:19,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-23 22:28:19,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:28:19,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-23 22:28:19,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-02-23 22:28:19,100 INFO L87 Difference]: Start difference. First operand 5732 states and 6319 transitions. Second operand 18 states. [2021-02-23 22:28:21,534 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:28:21,952 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:28:22,380 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:22,805 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:28:23,194 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:23,573 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:28:25,670 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:26,114 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:28:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:28:35,190 INFO L93 Difference]: Finished difference Result 18580 states and 22318 transitions. [2021-02-23 22:28:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-23 22:28:35,190 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 521 [2021-02-23 22:28:35,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:28:35,253 INFO L225 Difference]: With dead ends: 18580 [2021-02-23 22:28:35,253 INFO L226 Difference]: Without dead ends: 11671 [2021-02-23 22:28:35,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=880, Invalid=3410, Unknown=0, NotChecked=0, Total=4290 [2021-02-23 22:28:35,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11671 states. [2021-02-23 22:28:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11671 to 7668. [2021-02-23 22:28:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7668 states. [2021-02-23 22:28:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7668 states to 7668 states and 8595 transitions. [2021-02-23 22:28:38,968 INFO L78 Accepts]: Start accepts. Automaton has 7668 states and 8595 transitions. Word has length 521 [2021-02-23 22:28:38,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:28:38,969 INFO L480 AbstractCegarLoop]: Abstraction has 7668 states and 8595 transitions. [2021-02-23 22:28:38,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-02-23 22:28:38,969 INFO L276 IsEmpty]: Start isEmpty. Operand 7668 states and 8595 transitions. [2021-02-23 22:28:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-02-23 22:28:38,989 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:28:38,990 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:28:38,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 22:28:38,990 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:28:38,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:28:38,991 INFO L82 PathProgramCache]: Analyzing trace with hash -548811548, now seen corresponding path program 1 times [2021-02-23 22:28:38,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:28:38,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762044740] [2021-02-23 22:28:38,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:28:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:28:39,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,425 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:28:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:28:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:28:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:28:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:28:39,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:28:39,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:28:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:28:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:28:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:28:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:28:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:28:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:28:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:28:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 22:28:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:28:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-23 22:28:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:28:39,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:28:39,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:28:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:28:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:28:39,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:28:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:28:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:28:39,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:28:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 22:28:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:28:39,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 22:28:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:28:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:28:39,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-02-23 22:28:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-02-23 22:28:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-23 22:28:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:28:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:28:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:28:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:28:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:28:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-02-23 22:28:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-02-23 22:28:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:28:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-02-23 22:28:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:28:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:28:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:28:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-02-23 22:28:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:39,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-02-23 22:28:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:28:39,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:28:39,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:28:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 133 proven. 45 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-02-23 22:28:40,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762044740] [2021-02-23 22:28:40,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:28:40,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-02-23 22:28:40,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264002877] [2021-02-23 22:28:40,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-23 22:28:40,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:28:40,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-23 22:28:40,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-02-23 22:28:40,228 INFO L87 Difference]: Start difference. First operand 7668 states and 8595 transitions. Second operand 20 states. [2021-02-23 22:28:40,980 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:28:41,493 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:28:41,907 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:28:42,317 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:42,720 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:28:43,105 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:28:44,326 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:28:44,795 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:28:46,819 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:28:47,403 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:28:47,831 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:28:48,236 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:28:49,842 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:28:50,363 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:28:52,452 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:28:52,865 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:28:53,253 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:28:57,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:28:57,602 INFO L93 Difference]: Finished difference Result 17087 states and 20247 transitions. [2021-02-23 22:28:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-02-23 22:28:57,603 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 531 [2021-02-23 22:28:57,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:28:57,646 INFO L225 Difference]: With dead ends: 17087 [2021-02-23 22:28:57,647 INFO L226 Difference]: Without dead ends: 10140 [2021-02-23 22:28:57,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1550 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=986, Invalid=4270, Unknown=0, NotChecked=0, Total=5256 [2021-02-23 22:28:57,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10140 states. [2021-02-23 22:29:01,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10140 to 7468. [2021-02-23 22:29:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7468 states. [2021-02-23 22:29:01,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 8321 transitions. [2021-02-23 22:29:01,339 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 8321 transitions. Word has length 531 [2021-02-23 22:29:01,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:29:01,340 INFO L480 AbstractCegarLoop]: Abstraction has 7468 states and 8321 transitions. [2021-02-23 22:29:01,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2021-02-23 22:29:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 8321 transitions. [2021-02-23 22:29:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-02-23 22:29:01,362 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:29:01,363 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:29:01,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 22:29:01,363 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:29:01,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:29:01,364 INFO L82 PathProgramCache]: Analyzing trace with hash 273714346, now seen corresponding path program 1 times [2021-02-23 22:29:01,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:29:01,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253604634] [2021-02-23 22:29:01,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:29:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:29:01,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:01,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:01,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,827 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:29:01,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:29:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:29:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:29:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:29:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:29:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:29:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:01,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:29:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:01,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:01,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:29:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:02,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:29:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:29:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:29:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 22:29:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,058 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:29:02,061 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:29:02,081 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:29:02,081 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:29:02,104 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 22:29:02,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 22:29:02,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:29:02,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:29:02,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:29:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-23 22:29:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:02,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:29:02,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:29:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:02,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:29:02,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:29:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:29:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:29:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:29:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 22:29:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 22:29:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:29:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-02-23 22:29:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-02-23 22:29:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-23 22:29:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:02,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:29:02,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:29:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:02,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:29:02,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:29:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:29:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:29:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:29:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-02-23 22:29:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:02,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-02-23 22:29:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-02-23 22:29:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-02-23 22:29:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:29:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:29:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-02-23 22:29:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-02-23 22:29:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:02,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:02,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 127 proven. 47 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-02-23 22:29:02,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253604634] [2021-02-23 22:29:02,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:29:02,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-02-23 22:29:02,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119880808] [2021-02-23 22:29:02,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-23 22:29:02,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:29:02,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-23 22:29:02,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-02-23 22:29:02,549 INFO L87 Difference]: Start difference. First operand 7468 states and 8321 transitions. Second operand 18 states. [2021-02-23 22:29:03,313 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:29:05,584 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:29:06,025 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:29:06,830 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2021-02-23 22:29:07,738 WARN L202 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2021-02-23 22:29:08,125 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:29:08,884 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2021-02-23 22:29:09,294 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:29:09,766 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:29:10,185 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:29:10,618 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 22:29:11,043 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:29:11,776 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-23 22:29:13,580 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:29:14,031 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:29:14,921 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-02-23 22:29:15,759 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-23 22:29:16,546 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-02-23 22:29:17,647 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-23 22:29:18,486 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2021-02-23 22:29:23,234 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:29:24,383 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:29:24,818 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:29:25,718 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:29:26,531 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-23 22:29:27,295 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:29:36,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:29:36,106 INFO L93 Difference]: Finished difference Result 19589 states and 23740 transitions. [2021-02-23 22:29:36,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-02-23 22:29:36,106 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 536 [2021-02-23 22:29:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:29:36,164 INFO L225 Difference]: With dead ends: 19589 [2021-02-23 22:29:36,164 INFO L226 Difference]: Without dead ends: 15010 [2021-02-23 22:29:36,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 170 SyntacticMatches, 6 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4264 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=1968, Invalid=10022, Unknown=0, NotChecked=0, Total=11990 [2021-02-23 22:29:36,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15010 states. [2021-02-23 22:29:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15010 to 10564. [2021-02-23 22:29:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10564 states. [2021-02-23 22:29:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10564 states to 10564 states and 11655 transitions. [2021-02-23 22:29:41,108 INFO L78 Accepts]: Start accepts. Automaton has 10564 states and 11655 transitions. Word has length 536 [2021-02-23 22:29:41,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:29:41,109 INFO L480 AbstractCegarLoop]: Abstraction has 10564 states and 11655 transitions. [2021-02-23 22:29:41,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-02-23 22:29:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 10564 states and 11655 transitions. [2021-02-23 22:29:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-02-23 22:29:41,138 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:29:41,139 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:29:41,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 22:29:41,139 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:29:41,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:29:41,140 INFO L82 PathProgramCache]: Analyzing trace with hash 395566604, now seen corresponding path program 1 times [2021-02-23 22:29:41,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:29:41,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172958500] [2021-02-23 22:29:41,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:29:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:41,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,565 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:29:41,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:29:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:29:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:29:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:29:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:29:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:29:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:29:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:29:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:29:41,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:29:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:29:41,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:29:41,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:29:41,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:29:41,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:29:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:29:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:29:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 22:29:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:29:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-23 22:29:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:41,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 22:29:41,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:29:41,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:29:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:41,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:29:41,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:29:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:41,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:29:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:29:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:29:41,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:29:41,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:29:41,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:29:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:41,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:41,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:41,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 22:29:42,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 22:29:42,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 22:29:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 22:29:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:29:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-02-23 22:29:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-02-23 22:29:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-23 22:29:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:29:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:29:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:29:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:29:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:29:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:29:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-02-23 22:29:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-02-23 22:29:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-02-23 22:29:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:29:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:29:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-02-23 22:29:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-02-23 22:29:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-02-23 22:29:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:29:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-02-23 22:29:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:29:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:29:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:29:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-02-23 22:29:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2021-02-23 22:29:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:29:42,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:29:42,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:29:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 178 proven. 62 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2021-02-23 22:29:42,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172958500] [2021-02-23 22:29:42,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:29:42,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-02-23 22:29:42,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183373700] [2021-02-23 22:29:42,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-23 22:29:42,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:29:42,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-23 22:29:42,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-02-23 22:29:42,524 INFO L87 Difference]: Start difference. First operand 10564 states and 11655 transitions. Second operand 20 states. [2021-02-23 22:29:43,908 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:29:45,492 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:29:50,593 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 22:29:51,044 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 22:29:51,429 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:29:51,835 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:29:52,219 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:29:52,926 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-23 22:30:02,010 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 22:30:02,440 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 22:30:02,878 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:30:03,308 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 22:30:03,706 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:30:06,840 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2021-02-23 22:30:07,565 WARN L202 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2021-02-23 22:30:11,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:30:11,858 INFO L93 Difference]: Finished difference Result 33999 states and 40807 transitions. [2021-02-23 22:30:11,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-23 22:30:11,858 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 617 [2021-02-23 22:30:11,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:30:11,956 INFO L225 Difference]: With dead ends: 33999 [2021-02-23 22:30:11,957 INFO L226 Difference]: Without dead ends: 23004 [2021-02-23 22:30:11,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 174 SyntacticMatches, 8 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2946 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=1772, Invalid=7540, Unknown=0, NotChecked=0, Total=9312 [2021-02-23 22:30:12,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23004 states. [2021-02-23 22:30:19,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23004 to 14593. [2021-02-23 22:30:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14593 states. [2021-02-23 22:30:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14593 states to 14593 states and 16022 transitions. [2021-02-23 22:30:19,085 INFO L78 Accepts]: Start accepts. Automaton has 14593 states and 16022 transitions. Word has length 617 [2021-02-23 22:30:19,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:30:19,085 INFO L480 AbstractCegarLoop]: Abstraction has 14593 states and 16022 transitions. [2021-02-23 22:30:19,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2021-02-23 22:30:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 14593 states and 16022 transitions. [2021-02-23 22:30:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-02-23 22:30:19,117 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:30:19,117 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:30:19,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-23 22:30:19,117 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:30:19,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:30:19,118 INFO L82 PathProgramCache]: Analyzing trace with hash 307644012, now seen corresponding path program 1 times [2021-02-23 22:30:19,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:30:19,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926951227] [2021-02-23 22:30:19,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:30:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:30:19,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:30:19,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,506 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:30:19,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:30:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:30:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:30:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:30:19,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:30:19,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:30:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:30:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:30:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:30:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:30:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:30:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:30:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:30:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 22:30:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:30:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-23 22:30:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:30:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:30:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:30:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:30:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:30:19,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:30:19,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:30:19,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:30:19,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:30:19,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:30:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 22:30:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 22:30:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:30:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-02-23 22:30:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-02-23 22:30:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-23 22:30:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:30:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:30:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:30:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:30:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:30:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:30:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:19,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-02-23 22:30:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:19,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:19,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-02-23 22:30:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-02-23 22:30:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:30:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:30:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-02-23 22:30:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-02-23 22:30:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-02-23 22:30:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:30:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-02-23 22:30:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:30:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:30:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:30:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-02-23 22:30:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2021-02-23 22:30:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:30:20,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:30:20,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:30:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 165 proven. 12 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2021-02-23 22:30:20,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926951227] [2021-02-23 22:30:20,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:30:20,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-02-23 22:30:20,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916169654] [2021-02-23 22:30:20,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 22:30:20,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:30:20,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 22:30:20,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-02-23 22:30:20,319 INFO L87 Difference]: Start difference. First operand 14593 states and 16022 transitions. Second operand 19 states. [2021-02-23 22:30:21,130 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:30:21,508 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:30:21,880 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:30:22,246 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:30:22,597 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:30:27,904 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:30:28,266 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:30:28,638 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:30:29,013 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:30:29,385 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:30:29,843 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:30:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:30:31,639 INFO L93 Difference]: Finished difference Result 17456 states and 19421 transitions. [2021-02-23 22:30:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-23 22:30:31,640 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 617 [2021-02-23 22:30:31,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:30:31,644 INFO L225 Difference]: With dead ends: 17456 [2021-02-23 22:30:31,644 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 22:30:31,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=572, Invalid=1780, Unknown=0, NotChecked=0, Total=2352 [2021-02-23 22:30:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 22:30:31,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 22:30:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 22:30:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 22:30:31,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 617 [2021-02-23 22:30:31,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:30:31,680 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 22:30:31,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 22:30:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 22:30:31,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 22:30:31,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-23 22:30:31,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 22:30:32,286 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2021-02-23 22:30:34,133 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 237 [2021-02-23 22:30:35,023 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 228 [2021-02-23 22:30:35,294 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 218 [2021-02-23 22:30:35,427 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 216 [2021-02-23 22:30:42,159 WARN L202 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 1069 DAG size of output: 742 [2021-02-23 22:30:51,463 WARN L202 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 920 DAG size of output: 660 [2021-02-23 22:30:59,582 WARN L202 SmtUtils]: Spent 8.11 s on a formula simplification. DAG size of input: 1154 DAG size of output: 811 [2021-02-23 22:31:08,688 WARN L202 SmtUtils]: Spent 9.06 s on a formula simplification. DAG size of input: 1225 DAG size of output: 853 [2021-02-23 22:31:10,927 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:31:11,092 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:31:12,597 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:31:13,297 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 220 [2021-02-23 22:31:27,059 WARN L202 SmtUtils]: Spent 13.30 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1063 [2021-02-23 22:31:27,499 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:27,673 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:27,847 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:28,615 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 276 [2021-02-23 22:31:28,963 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:29,134 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:29,351 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:29,803 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 276 [2021-02-23 22:31:30,585 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:30,946 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:31,471 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 276 [2021-02-23 22:31:31,941 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 276 [2021-02-23 22:31:32,122 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 273 [2021-02-23 22:31:32,913 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 276 [2021-02-23 22:31:33,575 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2021-02-23 22:31:33,853 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2021-02-23 22:31:34,206 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 277 [2021-02-23 22:31:34,416 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-02-23 22:31:34,580 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 276 [2021-02-23 22:31:34,711 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-02-23 22:31:34,929 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 277 [2021-02-23 22:31:35,673 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-02-23 22:31:36,116 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 278 [2021-02-23 22:31:36,738 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-02-23 22:31:36,887 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-02-23 22:31:37,502 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 252 [2021-02-23 22:31:37,711 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 254 [2021-02-23 22:31:37,824 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 252 [2021-02-23 22:31:37,951 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 255 [2021-02-23 22:31:46,754 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 278 [2021-02-23 22:31:47,517 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 278 [2021-02-23 22:31:47,914 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2021-02-23 22:31:48,278 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:31:48,780 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 274 [2021-02-23 22:31:49,555 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2021-02-23 22:31:49,792 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2021-02-23 22:31:49,896 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 270 [2021-02-23 22:31:58,210 WARN L202 SmtUtils]: Spent 8.14 s on a formula simplification. DAG size of input: 1158 DAG size of output: 800 [2021-02-23 22:32:08,892 WARN L202 SmtUtils]: Spent 9.12 s on a formula simplification. DAG size of input: 1225 DAG size of output: 853 [2021-02-23 22:32:17,989 WARN L202 SmtUtils]: Spent 9.09 s on a formula simplification. DAG size of input: 1225 DAG size of output: 853 [2021-02-23 22:32:21,793 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2021-02-23 22:32:22,223 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 272 [2021-02-23 22:32:22,423 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 273 [2021-02-23 22:32:22,580 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-02-23 22:32:22,684 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-02-23 22:32:22,866 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 269 [2021-02-23 22:32:23,577 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-02-23 22:32:24,008 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 272 [2021-02-23 22:32:24,592 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 274 [2021-02-23 22:32:24,740 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2021-02-23 22:32:27,099 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:27,456 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:27,675 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 243 [2021-02-23 22:32:27,929 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 243 [2021-02-23 22:32:28,141 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 243 [2021-02-23 22:32:28,986 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:29,982 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:30,091 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:30,197 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:30,340 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:30,485 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:30,636 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 243 [2021-02-23 22:32:30,823 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:32:31,359 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 243 [2021-02-23 22:32:32,881 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:33,031 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:33,162 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:33,295 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:33,508 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:33,621 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:34,565 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:34,697 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:35,101 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:35,214 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:35,464 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:32:35,597 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:35,727 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:35,919 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:36,248 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:37,111 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:37,253 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:32:37,389 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:32:37,543 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:37,645 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 220 [2021-02-23 22:32:38,457 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:32:39,280 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 220 [2021-02-23 22:32:39,607 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:39,742 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:39,965 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 220 [2021-02-23 22:32:40,363 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:40,473 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:32:46,591 WARN L202 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 1069 DAG size of output: 742 [2021-02-23 22:32:46,761 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 278 [2021-02-23 22:32:46,939 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2021-02-23 22:32:47,078 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 279 [2021-02-23 22:32:47,245 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 281 [2021-02-23 22:32:55,579 WARN L202 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 1050 DAG size of output: 790 [2021-02-23 22:32:55,857 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2021-02-23 22:32:56,309 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2021-02-23 22:32:56,411 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 270 [2021-02-23 22:32:56,638 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 274 [2021-02-23 22:32:57,411 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 268 [2021-02-23 22:32:57,632 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 254 [2021-02-23 22:32:57,751 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-02-23 22:32:57,883 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 255 [2021-02-23 22:32:59,094 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:32:59,258 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:33:00,575 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:33:01,070 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 220 [2021-02-23 22:33:07,072 WARN L202 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 932 DAG size of output: 634 [2021-02-23 22:33:15,160 WARN L202 SmtUtils]: Spent 8.08 s on a formula simplification. DAG size of input: 1154 DAG size of output: 811 [2021-02-23 22:33:23,315 WARN L202 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 1154 DAG size of output: 811 [2021-02-23 22:33:23,450 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 278 [2021-02-23 22:33:24,196 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 278 [2021-02-23 22:33:25,610 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 278 [2021-02-23 22:33:25,788 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2021-02-23 22:33:25,927 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 279 [2021-02-23 22:33:26,086 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 281 [2021-02-23 22:33:27,432 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2021-02-23 22:33:27,620 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 282 [2021-02-23 22:33:27,775 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 281 [2021-02-23 22:33:27,957 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 283 [2021-02-23 22:33:28,237 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:28,359 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:28,483 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:28,651 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:33:28,810 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:33:29,472 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 251 [2021-02-23 22:33:29,796 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:29,916 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:30,071 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:30,236 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2021-02-23 22:33:30,397 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2021-02-23 22:33:30,820 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 251 [2021-02-23 22:33:31,518 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:31,746 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:33:31,906 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:33:32,062 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:32,534 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 251 [2021-02-23 22:33:32,990 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 251 [2021-02-23 22:33:33,112 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 216 [2021-02-23 22:33:33,760 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 251 [2021-02-23 22:33:40,503 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 278 [2021-02-23 22:33:40,839 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 279 [2021-02-23 22:33:41,000 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 281 [2021-02-23 22:33:50,220 WARN L202 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 1069 DAG size of output: 742 [2021-02-23 22:33:50,620 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 252 [2021-02-23 22:33:50,831 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2021-02-23 22:33:50,939 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 252 [2021-02-23 22:33:51,063 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 255 [2021-02-23 22:34:08,957 WARN L202 SmtUtils]: Spent 9.18 s on a formula simplification. DAG size of input: 1225 DAG size of output: 853 [2021-02-23 22:34:09,439 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 264 [2021-02-23 22:34:10,470 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 265 [2021-02-23 22:34:11,507 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:34:11,665 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:34:12,060 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2021-02-23 22:34:12,220 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2021-02-23 22:34:12,631 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:34:12,787 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2021-02-23 22:34:13,393 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 218 [2021-02-23 22:34:20,648 WARN L202 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 1069 DAG size of output: 742 [2021-02-23 22:34:26,429 WARN L202 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 1069 DAG size of output: 742 [2021-02-23 22:34:31,973 WARN L202 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 1069 DAG size of output: 742 [2021-02-23 22:34:47,575 WARN L202 SmtUtils]: Spent 9.05 s on a formula simplification. DAG size of input: 1225 DAG size of output: 853 [2021-02-23 22:34:50,039 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:50,190 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:50,360 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:50,492 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:50,692 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:50,824 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:51,100 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:34:51,385 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:34:51,517 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:51,652 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:34:51,996 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:52,129 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:34:52,830 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:34:53,223 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-02-23 22:34:53,787 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2021-02-23 22:34:53,951 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-02-23 22:34:54,351 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 265 [2021-02-23 22:34:54,517 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2021-02-23 22:34:54,945 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 264 [2021-02-23 22:34:55,317 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-02-23 22:34:55,694 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-02-23 22:34:56,164 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 259 [2021-02-23 22:34:56,852 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 278 [2021-02-23 22:34:57,027 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2021-02-23 22:34:57,184 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 279 [2021-02-23 22:34:57,347 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 281 [2021-02-23 22:34:57,645 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 278 [2021-02-23 22:34:57,994 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 279 [2021-02-23 22:34:58,158 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 281 [2021-02-23 22:35:00,062 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-02-23 22:35:00,620 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2021-02-23 22:35:00,782 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-02-23 22:35:01,167 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 265 [2021-02-23 22:35:01,328 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2021-02-23 22:35:01,762 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 264 [2021-02-23 22:35:02,133 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-02-23 22:35:02,511 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-02-23 22:35:02,992 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 259 [2021-02-23 22:35:12,842 WARN L202 SmtUtils]: Spent 9.29 s on a formula simplification. DAG size of input: 1225 DAG size of output: 853 [2021-02-23 22:35:21,967 WARN L202 SmtUtils]: Spent 9.12 s on a formula simplification. DAG size of input: 1225 DAG size of output: 853 [2021-02-23 22:35:25,289 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 268 [2021-02-23 22:35:36,199 WARN L202 SmtUtils]: Spent 9.18 s on a formula simplification. DAG size of input: 1225 DAG size of output: 853 [2021-02-23 22:35:39,459 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:39,610 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:39,782 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:39,915 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:40,179 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:40,312 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:40,443 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:35:40,695 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:35:40,944 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:35:41,149 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 220 [2021-02-23 22:35:41,327 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:35:41,471 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:41,606 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:35:42,011 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:42,144 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:42,921 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:35:43,056 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:35:43,257 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:35:43,869 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2021-02-23 22:35:48,708 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-02-23 22:35:48,901 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-02-23 22:35:50,547 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-02-23 22:35:50,708 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-02-23 22:35:50,814 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 249 [2021-02-23 22:35:51,567 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-02-23 22:35:52,261 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 220 [2021-02-23 22:35:52,568 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2021-02-23 22:35:52,879 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2021-02-23 22:36:01,750 WARN L202 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 1154 DAG size of output: 811 [2021-02-23 22:36:02,423 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 278 [2021-02-23 22:36:02,528 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 277 [2021-02-23 22:36:02,687 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 278 [2021-02-23 22:36:05,143 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 278 [2021-02-23 22:36:05,248 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 277 [2021-02-23 22:36:05,406 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 278 [2021-02-23 22:36:08,302 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 252 [2021-02-23 22:36:08,519 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 254 [2021-02-23 22:36:08,644 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 252 [2021-02-23 22:36:08,773 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 255 [2021-02-23 22:36:10,028 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2021-02-23 22:36:10,498 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 277 [2021-02-23 22:36:10,709 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-02-23 22:36:10,867 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 276 [2021-02-23 22:36:10,970 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-02-23 22:36:11,181 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 277 [2021-02-23 22:36:11,940 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-02-23 22:36:12,391 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 278 [2021-02-23 22:36:13,032 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-02-23 22:36:13,185 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-02-23 22:36:14,269 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2021-02-23 22:36:14,374 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 270 [2021-02-23 22:36:14,508 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 274 [2021-02-23 22:36:15,472 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2021-02-23 22:36:16,958 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 247 DAG size of output: 38 [2021-02-23 22:36:19,809 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 291 DAG size of output: 34 [2021-02-23 22:36:21,243 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 244 DAG size of output: 36 [2021-02-23 22:36:31,338 WARN L202 SmtUtils]: Spent 10.07 s on a formula simplification. DAG size of input: 551 DAG size of output: 38 [2021-02-23 22:36:32,832 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 239 DAG size of output: 31 [2021-02-23 22:36:34,050 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 241 DAG size of output: 33 [2021-02-23 22:36:36,294 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 343 DAG size of output: 55 [2021-02-23 22:36:37,810 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 243 DAG size of output: 34 [2021-02-23 22:36:39,372 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 329 DAG size of output: 47 [2021-02-23 22:36:40,911 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 243 DAG size of output: 34 [2021-02-23 22:36:42,322 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 244 DAG size of output: 36 [2021-02-23 22:36:44,017 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 245 DAG size of output: 36 [2021-02-23 22:36:53,938 WARN L202 SmtUtils]: Spent 9.83 s on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2021-02-23 22:37:09,464 WARN L202 SmtUtils]: Spent 15.50 s on a formula simplification. DAG size of input: 647 DAG size of output: 36 [2021-02-23 22:37:10,194 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2021-02-23 22:37:10,907 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2021-02-23 22:37:26,912 WARN L202 SmtUtils]: Spent 15.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 36 [2021-02-23 22:37:27,211 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 1 [2021-02-23 22:37:27,372 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-23 22:37:28,829 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 477 DAG size of output: 1 [2021-02-23 22:37:54,833 WARN L202 SmtUtils]: Spent 25.97 s on a formula simplification. DAG size of input: 903 DAG size of output: 39 [2021-02-23 22:37:55,328 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 21 [2021-02-23 22:37:55,995 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2021-02-23 22:37:58,180 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 320 DAG size of output: 45 [2021-02-23 22:38:03,842 WARN L202 SmtUtils]: Spent 5.62 s on a formula simplification. DAG size of input: 554 DAG size of output: 40 [2021-02-23 22:38:05,789 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 279 DAG size of output: 28 [2021-02-23 22:38:07,377 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 167 DAG size of output: 24 [2021-02-23 22:38:08,017 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 32 [2021-02-23 22:38:08,351 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2021-02-23 22:38:09,876 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 167 DAG size of output: 24 [2021-02-23 22:38:12,125 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 286 DAG size of output: 39 [2021-02-23 22:38:13,708 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2021-02-23 22:38:14,417 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2021-02-23 22:38:16,366 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 289 DAG size of output: 33 [2021-02-23 22:38:17,347 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2021-02-23 22:38:18,270 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 37 [2021-02-23 22:38:18,952 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2021-02-23 22:38:19,870 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2021-02-23 22:38:20,552 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2021-02-23 22:38:22,127 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2021-02-23 22:38:22,590 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2021-02-23 22:38:23,470 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 37 [2021-02-23 22:38:25,504 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 315 DAG size of output: 55 [2021-02-23 22:38:26,407 WARN L202 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2021-02-23 22:38:26,900 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 18 [2021-02-23 22:38:27,807 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2021-02-23 22:38:28,138 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2021-02-23 22:38:28,470 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2021-02-23 22:38:29,137 WARN L202 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2021-02-23 22:38:30,083 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2021-02-23 22:38:32,490 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 323 DAG size of output: 45 [2021-02-23 22:38:32,640 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-23 22:38:34,297 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2021-02-23 22:38:36,366 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 261 DAG size of output: 32 [2021-02-23 22:38:37,766 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 349 DAG size of output: 36 [2021-02-23 22:38:39,464 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 250 DAG size of output: 40 [2021-02-23 22:38:53,966 WARN L202 SmtUtils]: Spent 14.49 s on a formula simplification. DAG size of input: 623 DAG size of output: 36 [2021-02-23 22:38:54,547 WARN L202 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 31 [2021-02-23 22:38:55,380 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2021-02-23 22:38:56,524 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 316 DAG size of output: 26 [2021-02-23 22:38:58,263 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 274 DAG size of output: 24 [2021-02-23 22:38:58,943 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2021-02-23 22:38:59,665 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2021-02-23 22:39:01,110 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 245 DAG size of output: 37 [2021-02-23 22:39:01,303 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-23 22:39:02,242 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 41 [2021-02-23 22:39:02,886 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25