/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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 22:13:35,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 22:13:35,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 22:13:35,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 22:13:35,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 22:13:35,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 22:13:35,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 22:13:35,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 22:13:35,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 22:13:35,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 22:13:35,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 22:13:35,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 22:13:35,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 22:13:35,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 22:13:35,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 22:13:35,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 22:13:35,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 22:13:35,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 22:13:35,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 22:13:35,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 22:13:35,543 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 22:13:35,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 22:13:35,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 22:13:35,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 22:13:35,571 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 22:13:35,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 22:13:35,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 22:13:35,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 22:13:35,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 22:13:35,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 22:13:35,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 22:13:35,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 22:13:35,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 22:13:35,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 22:13:35,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 22:13:35,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 22:13:35,575 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 22:13:35,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 22:13:35,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 22:13:35,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 22:13:35,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 22:13:35,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 22:13:35,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 22:13:35,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 22:13:35,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 22:13:35,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 22:13:35,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 22:13:35,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 22:13:35,983 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 22:13:35,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-23 22:13:36,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba10ec4d/d081d66ecc81488280523563267507e9/FLAG12578e885 [2021-02-23 22:13:36,722 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 22:13:36,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-23 22:13:36,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba10ec4d/d081d66ecc81488280523563267507e9/FLAG12578e885 [2021-02-23 22:13:36,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba10ec4d/d081d66ecc81488280523563267507e9 [2021-02-23 22:13:36,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 22:13:37,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 22:13:37,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 22:13:37,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 22:13:37,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 22:13:37,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:13:36" (1/1) ... [2021-02-23 22:13:37,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e045a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37, skipping insertion in model container [2021-02-23 22:13:37,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:13:36" (1/1) ... [2021-02-23 22:13:37,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 22:13:37,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 22:13:37,372 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_product40.cil.c[16774,16787] [2021-02-23 22:13:37,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:13:37,421 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 22:13:37,584 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_product40.cil.c[16774,16787] [2021-02-23 22:13:37,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:13:37,635 INFO L208 MainTranslator]: Completed translation [2021-02-23 22:13:37,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37 WrapperNode [2021-02-23 22:13:37,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 22:13:37,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 22:13:37,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 22:13:37,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 22:13:37,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (1/1) ... [2021-02-23 22:13:37,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (1/1) ... [2021-02-23 22:13:37,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (1/1) ... [2021-02-23 22:13:37,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (1/1) ... [2021-02-23 22:13:37,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (1/1) ... [2021-02-23 22:13:37,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (1/1) ... [2021-02-23 22:13:37,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (1/1) ... [2021-02-23 22:13:37,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 22:13:37,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 22:13:37,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 22:13:37,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 22:13:37,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (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 22:13:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 22:13:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 22:13:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 22:13:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 22:13:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 22:13:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 22:13:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 22:13:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 22:13:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 22:13:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 22:13:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 22:13:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 22:13:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 22:13:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-23 22:13:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-23 22:13:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-23 22:13:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 22:13:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 22:13:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 22:13:37,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 22:13:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 22:13:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 22:13:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 22:13:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-23 22:13:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-23 22:13:37,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-23 22:13:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 22:13:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 22:13:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 22:13:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 22:13:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 22:13:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 22:13:37,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 22:13:37,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 22:13:37,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 22:13:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 22:13:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 22:13:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 22:13:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 22:13:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 22:13:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 22:13:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 22:13:37,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-23 22:13:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 22:13:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 22:13:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 22:13:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 22:13:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 22:13:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 22:13:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 22:13:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 22:13:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 22:13:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-23 22:13:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 22:13:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 22:13:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 22:13:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 22:13:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 22:13:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-23 22:13:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-23 22:13:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-23 22:13:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-23 22:13:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 22:13:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 22:13:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-23 22:13:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 22:13:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 22:13:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 22:13:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 22:13:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 22:13:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 22:13:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 22:13:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 22:13:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 22:13:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 22:13:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 22:13:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 22:13:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 22:13:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 22:13:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 22:13:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 22:13:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 22:13:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 22:13:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 22:13:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 22:13:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 22:13:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 22:13:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 22:13:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-23 22:13:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 22:13:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 22:13:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 22:13:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 22:13:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 22:13:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 22:13:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 22:13:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 22:13:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 22:13:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 22:13:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 22:13:39,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 22:13:39,062 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 22:13:39,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:13:39 BoogieIcfgContainer [2021-02-23 22:13:39,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 22:13:39,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 22:13:39,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 22:13:39,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 22:13:39,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 10:13:36" (1/3) ... [2021-02-23 22:13:39,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4a0646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:13:39, skipping insertion in model container [2021-02-23 22:13:39,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:13:37" (2/3) ... [2021-02-23 22:13:39,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4a0646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:13:39, skipping insertion in model container [2021-02-23 22:13:39,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:13:39" (3/3) ... [2021-02-23 22:13:39,074 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-02-23 22:13:39,082 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 22:13:39,087 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 22:13:39,107 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 22:13:39,132 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 22:13:39,132 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 22:13:39,133 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 22:13:39,133 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 22:13:39,133 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 22:13:39,133 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 22:13:39,133 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 22:13:39,133 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 22:13:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2021-02-23 22:13:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-23 22:13:39,179 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:13:39,180 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 22:13:39,181 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:13:39,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:13:39,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1631473396, now seen corresponding path program 1 times [2021-02-23 22:13:39,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:13:39,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230843129] [2021-02-23 22:13:39,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:13:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:39,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:39,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:39,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:39,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:39,972 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:13:39,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:13:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:13:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:13:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:13:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:13:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:13:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 22:13:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:13:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-23 22:13:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-23 22:13:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:40,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:40,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:40,180 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 22:13:40,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230843129] [2021-02-23 22:13:40,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:13:40,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 22:13:40,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297355973] [2021-02-23 22:13:40,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 22:13:40,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:13:40,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 22:13:40,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 22:13:40,212 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2021-02-23 22:13:41,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:13:41,987 INFO L93 Difference]: Finished difference Result 526 states and 618 transitions. [2021-02-23 22:13:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 22:13:41,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-23 22:13:41,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:13:42,007 INFO L225 Difference]: With dead ends: 526 [2021-02-23 22:13:42,008 INFO L226 Difference]: Without dead ends: 332 [2021-02-23 22:13:42,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 22:13:42,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-23 22:13:42,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2021-02-23 22:13:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-23 22:13:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 308 transitions. [2021-02-23 22:13:42,201 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 308 transitions. Word has length 165 [2021-02-23 22:13:42,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:13:42,202 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 308 transitions. [2021-02-23 22:13:42,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 22:13:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 308 transitions. [2021-02-23 22:13:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-23 22:13:42,207 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:13:42,208 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 22:13:42,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 22:13:42,208 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:13:42,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:13:42,209 INFO L82 PathProgramCache]: Analyzing trace with hash -858118948, now seen corresponding path program 1 times [2021-02-23 22:13:42,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:13:42,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953953761] [2021-02-23 22:13:42,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:13:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:42,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,677 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:13:42,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:13:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:13:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:13:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:13:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:13:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:13:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:13:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:13:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:13:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 22:13:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:42,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:42,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:42,799 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 22:13:42,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953953761] [2021-02-23 22:13:42,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:13:42,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 22:13:42,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471588144] [2021-02-23 22:13:42,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 22:13:42,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:13:42,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 22:13:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 22:13:42,804 INFO L87 Difference]: Start difference. First operand 283 states and 308 transitions. Second operand 5 states. [2021-02-23 22:13:43,609 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:13:44,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:13:44,870 INFO L93 Difference]: Finished difference Result 444 states and 501 transitions. [2021-02-23 22:13:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 22:13:44,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-23 22:13:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:13:44,885 INFO L225 Difference]: With dead ends: 444 [2021-02-23 22:13:44,886 INFO L226 Difference]: Without dead ends: 321 [2021-02-23 22:13:44,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 22:13:44,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-02-23 22:13:45,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2021-02-23 22:13:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-23 22:13:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2021-02-23 22:13:45,033 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 166 [2021-02-23 22:13:45,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:13:45,034 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2021-02-23 22:13:45,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 22:13:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2021-02-23 22:13:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-23 22:13:45,037 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:13:45,037 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 22:13:45,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 22:13:45,038 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:13:45,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:13:45,038 INFO L82 PathProgramCache]: Analyzing trace with hash 567614448, now seen corresponding path program 1 times [2021-02-23 22:13:45,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:13:45,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863838504] [2021-02-23 22:13:45,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:13:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:45,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:45,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:13:45,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,496 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:13:45,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:13:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:13:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:13:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:13:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:13:45,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:13:45,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:13:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:13:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 22:13:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:13:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:13:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-23 22:13:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-23 22:13:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:45,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:45,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:45,720 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 22:13:45,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863838504] [2021-02-23 22:13:45,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:13:45,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 22:13:45,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820602669] [2021-02-23 22:13:45,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 22:13:45,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:13:45,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 22:13:45,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 22:13:45,723 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 11 states. [2021-02-23 22:13:46,517 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:13:46,976 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:13:47,351 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:13:47,766 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:13:48,141 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:13:48,530 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:13:49,873 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:13:52,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:13:52,518 INFO L93 Difference]: Finished difference Result 746 states and 868 transitions. [2021-02-23 22:13:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 22:13:52,518 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-23 22:13:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:13:52,529 INFO L225 Difference]: With dead ends: 746 [2021-02-23 22:13:52,529 INFO L226 Difference]: Without dead ends: 593 [2021-02-23 22:13:52,532 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 22:13:52,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-02-23 22:13:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 494. [2021-02-23 22:13:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2021-02-23 22:13:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 554 transitions. [2021-02-23 22:13:52,743 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 554 transitions. Word has length 179 [2021-02-23 22:13:52,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:13:52,744 INFO L480 AbstractCegarLoop]: Abstraction has 494 states and 554 transitions. [2021-02-23 22:13:52,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 22:13:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 554 transitions. [2021-02-23 22:13:52,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-23 22:13:52,748 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:13:52,749 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 22:13:52,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 22:13:52,749 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:13:52,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:13:52,750 INFO L82 PathProgramCache]: Analyzing trace with hash -412837419, now seen corresponding path program 1 times [2021-02-23 22:13:52,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:13:52,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717517588] [2021-02-23 22:13:52,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:13:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:52,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:52,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:52,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:52,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:52,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:52,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:52,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:52,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:52,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:52,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,220 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:13:53,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:13:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:53,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:13:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:13:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:13:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:13:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:13:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-23 22:13:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:53,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 22:13:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:13:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-23 22:13:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 22:13:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:13:53,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:13:53,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:53,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:13:53,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:13:53,442 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 22:13:53,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717517588] [2021-02-23 22:13:53,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:13:53,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 22:13:53,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946275001] [2021-02-23 22:13:53,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 22:13:53,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:13:53,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 22:13:53,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-23 22:13:53,444 INFO L87 Difference]: Start difference. First operand 494 states and 554 transitions. Second operand 10 states. [2021-02-23 22:13:54,042 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:13:55,149 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:13:55,540 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:13:56,762 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:13:57,172 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:13:57,604 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:13:57,987 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:13:58,426 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:13:58,833 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:13:59,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:13:59,897 INFO L93 Difference]: Finished difference Result 1133 states and 1360 transitions. [2021-02-23 22:13:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-23 22:13:59,899 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-23 22:13:59,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:13:59,907 INFO L225 Difference]: With dead ends: 1133 [2021-02-23 22:13:59,907 INFO L226 Difference]: Without dead ends: 759 [2021-02-23 22:13:59,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-23 22:13:59,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2021-02-23 22:14:00,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 666. [2021-02-23 22:14:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2021-02-23 22:14:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 750 transitions. [2021-02-23 22:14:00,237 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 750 transitions. Word has length 184 [2021-02-23 22:14:00,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:14:00,238 INFO L480 AbstractCegarLoop]: Abstraction has 666 states and 750 transitions. [2021-02-23 22:14:00,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 22:14:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 750 transitions. [2021-02-23 22:14:00,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-23 22:14:00,242 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:14:00,243 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] [2021-02-23 22:14:00,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 22:14:00,243 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:14:00,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:14:00,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1003651235, now seen corresponding path program 1 times [2021-02-23 22:14:00,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:14:00,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345337825] [2021-02-23 22:14:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:14:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,678 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:14:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:14:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:14:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:14:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:14:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:14:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 22:14:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:14:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 22:14:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:00,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:00,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:14:00,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:14:00,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:14:00,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:14:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:14:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-23 22:14:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:00,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-23 22:14:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:00,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:00,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:01,027 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 22:14:01,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345337825] [2021-02-23 22:14:01,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:14:01,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 22:14:01,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135585089] [2021-02-23 22:14:01,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 22:14:01,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:14:01,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 22:14:01,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 22:14:01,030 INFO L87 Difference]: Start difference. First operand 666 states and 750 transitions. Second operand 11 states. [2021-02-23 22:14:02,810 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:14:03,220 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:14:03,617 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 22:14:04,000 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:04,404 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:14:04,762 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:14:06,054 INFO L93 Difference]: Finished difference Result 1420 states and 1704 transitions. [2021-02-23 22:14:06,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 22:14:06,055 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2021-02-23 22:14:06,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:14:06,062 INFO L225 Difference]: With dead ends: 1420 [2021-02-23 22:14:06,062 INFO L226 Difference]: Without dead ends: 874 [2021-02-23 22:14:06,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-23 22:14:06,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-02-23 22:14:06,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 685. [2021-02-23 22:14:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2021-02-23 22:14:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 770 transitions. [2021-02-23 22:14:06,378 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 770 transitions. Word has length 217 [2021-02-23 22:14:06,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:14:06,379 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 770 transitions. [2021-02-23 22:14:06,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 22:14:06,379 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 770 transitions. [2021-02-23 22:14:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-23 22:14:06,383 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:14:06,383 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] [2021-02-23 22:14:06,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 22:14:06,383 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:14:06,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:14:06,384 INFO L82 PathProgramCache]: Analyzing trace with hash 878446851, now seen corresponding path program 1 times [2021-02-23 22:14:06,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:14:06,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557280898] [2021-02-23 22:14:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:14:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:06,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:06,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,818 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:14:06,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:14:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:14:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:14:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:14:06,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:14:06,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:14:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:14:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 22:14:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:14:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 22:14:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:06,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:06,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:14:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:06,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:06,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:06,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:07,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:07,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:07,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:14:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:07,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:07,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:07,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-23 22:14:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:07,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:07,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:07,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-23 22:14:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:07,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:07,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:07,086 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 22:14:07,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557280898] [2021-02-23 22:14:07,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:14:07,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 22:14:07,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386573419] [2021-02-23 22:14:07,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 22:14:07,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:14:07,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 22:14:07,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-23 22:14:07,089 INFO L87 Difference]: Start difference. First operand 685 states and 770 transitions. Second operand 14 states. [2021-02-23 22:14:07,834 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:14:08,235 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:14:08,626 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:08,986 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:14:09,340 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:10,646 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:11,044 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:14:11,452 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:11,873 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:14:12,243 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:13,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:14:13,937 INFO L93 Difference]: Finished difference Result 1461 states and 1771 transitions. [2021-02-23 22:14:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 22:14:13,938 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2021-02-23 22:14:13,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:14:13,945 INFO L225 Difference]: With dead ends: 1461 [2021-02-23 22:14:13,945 INFO L226 Difference]: Without dead ends: 896 [2021-02-23 22:14:13,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-23 22:14:13,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-02-23 22:14:14,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 697. [2021-02-23 22:14:14,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-02-23 22:14:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 782 transitions. [2021-02-23 22:14:14,306 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 782 transitions. Word has length 217 [2021-02-23 22:14:14,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:14:14,307 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 782 transitions. [2021-02-23 22:14:14,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 22:14:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 782 transitions. [2021-02-23 22:14:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-23 22:14:14,311 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:14:14,312 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] [2021-02-23 22:14:14,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 22:14:14,312 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:14:14,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:14:14,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1568940992, now seen corresponding path program 1 times [2021-02-23 22:14:14,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:14:14,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010814989] [2021-02-23 22:14:14,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:14:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:14,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:14,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:14,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:14,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:14:14,412 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-23 22:14:14,416 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-23 22:14:14,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,717 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:14:14,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:14:14,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:14:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:14:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:14:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:14:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:14:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 22:14:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:14:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 22:14:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:14:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:14:14,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:14:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:14:14,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:14:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-23 22:14:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-23 22:14:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:14,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:14,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:14,955 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 22:14:14,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010814989] [2021-02-23 22:14:14,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:14:14,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 22:14:14,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529924638] [2021-02-23 22:14:14,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 22:14:14,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:14:14,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 22:14:14,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 22:14:14,958 INFO L87 Difference]: Start difference. First operand 697 states and 782 transitions. Second operand 8 states. [2021-02-23 22:14:15,603 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:14:16,451 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:14:19,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:14:19,978 INFO L93 Difference]: Finished difference Result 2230 states and 2731 transitions. [2021-02-23 22:14:19,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-23 22:14:19,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2021-02-23 22:14:19,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:14:19,990 INFO L225 Difference]: With dead ends: 2230 [2021-02-23 22:14:19,991 INFO L226 Difference]: Without dead ends: 1653 [2021-02-23 22:14:19,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2021-02-23 22:14:19,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2021-02-23 22:14:20,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1385. [2021-02-23 22:14:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2021-02-23 22:14:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1579 transitions. [2021-02-23 22:14:20,484 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1579 transitions. Word has length 217 [2021-02-23 22:14:20,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:14:20,485 INFO L480 AbstractCegarLoop]: Abstraction has 1385 states and 1579 transitions. [2021-02-23 22:14:20,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 22:14:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1579 transitions. [2021-02-23 22:14:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-23 22:14:20,492 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:14:20,493 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 22:14:20,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 22:14:20,493 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:14:20,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:14:20,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1294702977, now seen corresponding path program 1 times [2021-02-23 22:14:20,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:14:20,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406572314] [2021-02-23 22:14:20,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:14:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:20,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:20,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:20,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:20,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:20,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:20,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:20,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:20,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:20,683 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 22:14:20,684 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 22:14:20,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:20,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:20,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:20,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:20,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:20,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:20,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:20,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,061 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:14:21,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:14:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:14:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:14:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:14:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:14:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:14:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:14:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:14:21,204 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-23 22:14:21,205 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-23 22:14:21,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:14:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 22:14:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-23 22:14:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:14:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:14:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 22:14:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:21,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:21,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-23 22:14:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:21,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:21,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:21,386 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 22:14:21,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406572314] [2021-02-23 22:14:21,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:14:21,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-23 22:14:21,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398321143] [2021-02-23 22:14:21,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-23 22:14:21,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:14:21,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-23 22:14:21,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-23 22:14:21,388 INFO L87 Difference]: Start difference. First operand 1385 states and 1579 transitions. Second operand 15 states. [2021-02-23 22:14:22,464 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-23 22:14:23,537 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:14:25,220 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-23 22:14:26,008 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-23 22:14:26,501 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:14:26,918 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:14:27,764 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-23 22:14:28,179 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:14:28,581 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:14:28,961 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:14:32,874 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-23 22:14:33,698 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:14:34,141 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:14:34,741 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:36,233 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-23 22:14:36,995 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-23 22:14:37,775 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-23 22:14:38,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:14:38,695 INFO L93 Difference]: Finished difference Result 4228 states and 5195 transitions. [2021-02-23 22:14:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-23 22:14:38,696 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2021-02-23 22:14:38,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:14:38,716 INFO L225 Difference]: With dead ends: 4228 [2021-02-23 22:14:38,716 INFO L226 Difference]: Without dead ends: 3244 [2021-02-23 22:14:38,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2021-02-23 22:14:38,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2021-02-23 22:14:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 2534. [2021-02-23 22:14:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2534 states. [2021-02-23 22:14:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 2870 transitions. [2021-02-23 22:14:40,024 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 2870 transitions. Word has length 222 [2021-02-23 22:14:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:14:40,024 INFO L480 AbstractCegarLoop]: Abstraction has 2534 states and 2870 transitions. [2021-02-23 22:14:40,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-23 22:14:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2870 transitions. [2021-02-23 22:14:40,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-02-23 22:14:40,033 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:14:40,033 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:14:40,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 22:14:40,034 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:14:40,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:14:40,035 INFO L82 PathProgramCache]: Analyzing trace with hash 392433829, now seen corresponding path program 1 times [2021-02-23 22:14:40,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:14:40,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665498627] [2021-02-23 22:14:40,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:14:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:40,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:40,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:14:40,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:14:40,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:14:40,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,606 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:14:40,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:14:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:14:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:14:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:14:40,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:14:40,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:14:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:14:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:14:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:14:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:14:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:40,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:14:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:40,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:40,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:14:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:14:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:14:40,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-23 22:14:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-02-23 22:14:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:14:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,871 WARN L141 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-02-23 22:14:40,872 WARN L147 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size 8 [2021-02-23 22:14:40,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 22:14:40,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:14:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:40,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:40,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:40,936 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:14:40,937 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:14:40,966 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:14:40,968 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:14:40,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-02-23 22:14:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:41,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:41,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:41,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-02-23 22:14:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:41,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:41,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:41,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:41,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:41,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:41,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:14:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:41,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:41,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:41,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:14:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:41,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:41,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:41,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:14:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:41,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:41,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:41,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-02-23 22:14:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:41,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:41,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:41,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-02-23 22:14:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:14:41,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:14:41,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:14:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-23 22:14:41,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665498627] [2021-02-23 22:14:41,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:14:41,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-02-23 22:14:41,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79677150] [2021-02-23 22:14:41,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 22:14:41,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:14:41,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 22:14:41,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-02-23 22:14:41,150 INFO L87 Difference]: Start difference. First operand 2534 states and 2870 transitions. Second operand 19 states. [2021-02-23 22:14:42,150 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:14:42,558 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:14:42,962 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:43,362 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:14:43,743 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:45,001 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-23 22:14:45,594 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 22:14:46,132 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 22:14:46,539 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:14:46,941 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:14:47,480 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 22:14:47,969 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 22:14:48,425 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 22:14:50,394 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:14:52,193 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:14:52,946 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-23 22:14:53,753 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-23 22:14:54,280 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:14:55,221 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:14:55,957 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 22:14:56,413 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 22:14:57,291 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2021-02-23 22:14:58,133 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2021-02-23 22:14:59,232 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-23 22:14:59,883 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:00,747 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2021-02-23 22:15:02,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:15:02,662 INFO L93 Difference]: Finished difference Result 5759 states and 6803 transitions. [2021-02-23 22:15:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-23 22:15:02,662 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 308 [2021-02-23 22:15:02,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:15:02,683 INFO L225 Difference]: With dead ends: 5759 [2021-02-23 22:15:02,683 INFO L226 Difference]: Without dead ends: 3611 [2021-02-23 22:15:02,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2460 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2021-02-23 22:15:02,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3611 states. [2021-02-23 22:15:04,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3611 to 2960. [2021-02-23 22:15:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2021-02-23 22:15:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3299 transitions. [2021-02-23 22:15:04,064 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3299 transitions. Word has length 308 [2021-02-23 22:15:04,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:15:04,065 INFO L480 AbstractCegarLoop]: Abstraction has 2960 states and 3299 transitions. [2021-02-23 22:15:04,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 22:15:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3299 transitions. [2021-02-23 22:15:04,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-02-23 22:15:04,076 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:15:04,077 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 22:15:04,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 22:15:04,077 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:15:04,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:15:04,078 INFO L82 PathProgramCache]: Analyzing trace with hash -906026627, now seen corresponding path program 1 times [2021-02-23 22:15:04,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:15:04,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187178633] [2021-02-23 22:15:04,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:15:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:04,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:04,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:04,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:04,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,488 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:15:04,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:04,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:15:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:15:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:15:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:15:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:15:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:15:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:15:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:15:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:15:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:15:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:15:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-23 22:15:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-02-23 22:15:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-23 22:15:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:15:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:15:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:15:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:15:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 22:15:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-02-23 22:15:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-02-23 22:15:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:15:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:15:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:15:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:04,748 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:15:04,748 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:15:04,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 22:15:04,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:04,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:04,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:04,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:15:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:04,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:04,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:15:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:15:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-02-23 22:15:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-02-23 22:15:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-02-23 22:15:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:15:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:15:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-02-23 22:15:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:04,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-02-23 22:15:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:04,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:04,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-02-23 22:15:05,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187178633] [2021-02-23 22:15:05,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:15:05,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-02-23 22:15:05,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480724313] [2021-02-23 22:15:05,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 22:15:05,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:15:05,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 22:15:05,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-02-23 22:15:05,191 INFO L87 Difference]: Start difference. First operand 2960 states and 3299 transitions. Second operand 17 states. [2021-02-23 22:15:05,874 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:15:07,146 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:15:12,394 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:12,804 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:13,223 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:13,628 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:15:14,026 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:14,480 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:15:14,859 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:15,267 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:15,671 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:15:16,085 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:16,475 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:15:16,874 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:15:17,637 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2021-02-23 22:15:18,088 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:15:18,812 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2021-02-23 22:15:19,234 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:15:19,677 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 22:15:20,091 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 22:15:23,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:15:23,419 INFO L93 Difference]: Finished difference Result 9064 states and 10516 transitions. [2021-02-23 22:15:23,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-23 22:15:23,420 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 478 [2021-02-23 22:15:23,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:15:23,456 INFO L225 Difference]: With dead ends: 9064 [2021-02-23 22:15:23,456 INFO L226 Difference]: Without dead ends: 6237 [2021-02-23 22:15:23,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=823, Invalid=3337, Unknown=0, NotChecked=0, Total=4160 [2021-02-23 22:15:23,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6237 states. [2021-02-23 22:15:25,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6237 to 5428. [2021-02-23 22:15:25,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5428 states. [2021-02-23 22:15:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5428 states to 5428 states and 5991 transitions. [2021-02-23 22:15:25,726 INFO L78 Accepts]: Start accepts. Automaton has 5428 states and 5991 transitions. Word has length 478 [2021-02-23 22:15:25,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:15:25,727 INFO L480 AbstractCegarLoop]: Abstraction has 5428 states and 5991 transitions. [2021-02-23 22:15:25,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 22:15:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 5428 states and 5991 transitions. [2021-02-23 22:15:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-02-23 22:15:25,747 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:15:25,747 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 22:15:25,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 22:15:25,748 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:15:25,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:15:25,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1233447977, now seen corresponding path program 1 times [2021-02-23 22:15:25,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:15:25,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543753866] [2021-02-23 22:15:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:15:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:25,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:25,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:25,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:25,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:25,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:25,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:25,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:25,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:25,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:25,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:15:25,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:25,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,179 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:15:26,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:15:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:15:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:15:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:26,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:26,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:15:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:15:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:15:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-23 22:15:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:26,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 22:15:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 22:15:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:15:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:15:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:15:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-23 22:15:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-02-23 22:15:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-23 22:15:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:26,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:15:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:15:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,621 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:15:26,621 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:15:26,650 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 22:15:26,650 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 22:15:26,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 22:15:26,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 22:15:26,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:26,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:26,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:15:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:26,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:26,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:15:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 22:15:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-23 22:15:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-02-23 22:15:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:15:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:15:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:15:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:15:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:15:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-02-23 22:15:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-02-23 22:15:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-02-23 22:15:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:15:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:15:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-02-23 22:15:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:26,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-02-23 22:15:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:26,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:26,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-02-23 22:15:27,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543753866] [2021-02-23 22:15:27,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:15:27,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2021-02-23 22:15:27,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914289587] [2021-02-23 22:15:27,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-23 22:15:27,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:15:27,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-23 22:15:27,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-02-23 22:15:27,100 INFO L87 Difference]: Start difference. First operand 5428 states and 5991 transitions. Second operand 23 states. [2021-02-23 22:15:27,836 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:15:28,339 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:15:28,737 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:15:29,131 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:29,601 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:15:29,972 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:31,143 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:15:37,591 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:38,059 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:38,488 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:38,900 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:39,305 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:39,714 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:40,102 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:40,518 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:40,925 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:41,446 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:41,847 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:42,268 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:43,048 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:15:43,833 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-23 22:15:44,567 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:15:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:15:48,995 INFO L93 Difference]: Finished difference Result 11362 states and 13092 transitions. [2021-02-23 22:15:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-02-23 22:15:48,996 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 483 [2021-02-23 22:15:48,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:15:49,034 INFO L225 Difference]: With dead ends: 11362 [2021-02-23 22:15:49,035 INFO L226 Difference]: Without dead ends: 6635 [2021-02-23 22:15:49,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2002 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=1294, Invalid=5846, Unknown=0, NotChecked=0, Total=7140 [2021-02-23 22:15:49,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2021-02-23 22:15:51,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 5140. [2021-02-23 22:15:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5140 states. [2021-02-23 22:15:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 5140 states and 5663 transitions. [2021-02-23 22:15:51,177 INFO L78 Accepts]: Start accepts. Automaton has 5140 states and 5663 transitions. Word has length 483 [2021-02-23 22:15:51,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:15:51,178 INFO L480 AbstractCegarLoop]: Abstraction has 5140 states and 5663 transitions. [2021-02-23 22:15:51,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-23 22:15:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 5663 transitions. [2021-02-23 22:15:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-02-23 22:15:51,195 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:15:51,195 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 22:15:51,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 22:15:51,196 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:15:51,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:15:51,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1098089747, now seen corresponding path program 1 times [2021-02-23 22:15:51,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:15:51,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027965297] [2021-02-23 22:15:51,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:15:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:15:51,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,605 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:15:51,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:15:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:15:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:15:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:15:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:15:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:15:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:15:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:15:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:15:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:15:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:15:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-23 22:15:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,736 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:15:51,737 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:15:51,755 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:15:51,756 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:15:51,776 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 22:15:51,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 22:15:51,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:51,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:51,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-02-23 22:15:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-23 22:15:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:51,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:15:51,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:51,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:15:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:15:51,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:15:51,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:15:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:15:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:15:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 22:15:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,906 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:15:51,906 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:15:51,925 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:15:51,926 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:15:51,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:15:51,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:51,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:15:51,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-02-23 22:15:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-23 22:15:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-02-23 22:15:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:15:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:15:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:51,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:51,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:51,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:15:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:15:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:15:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-02-23 22:15:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-02-23 22:15:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-02-23 22:15:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:15:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-02-23 22:15:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:15:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:15:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:15:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-02-23 22:15:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-02-23 22:15:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:15:52,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:15:52,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:15:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-02-23 22:15:52,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027965297] [2021-02-23 22:15:52,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:15:52,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-02-23 22:15:52,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585780327] [2021-02-23 22:15:52,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-23 22:15:52,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:15:52,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-23 22:15:52,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-02-23 22:15:52,391 INFO L87 Difference]: Start difference. First operand 5140 states and 5663 transitions. Second operand 18 states. [2021-02-23 22:15:54,430 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:15:54,826 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:15:55,228 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:55,631 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:15:56,020 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:56,398 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:15:58,592 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:15:59,018 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:16:06,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:16:06,636 INFO L93 Difference]: Finished difference Result 16507 states and 19608 transitions. [2021-02-23 22:16:06,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-23 22:16:06,636 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 487 [2021-02-23 22:16:06,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:16:06,692 INFO L225 Difference]: With dead ends: 16507 [2021-02-23 22:16:06,692 INFO L226 Difference]: Without dead ends: 10357 [2021-02-23 22:16:06,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 135 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=885, Invalid=3405, Unknown=0, NotChecked=0, Total=4290 [2021-02-23 22:16:06,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10357 states. [2021-02-23 22:16:09,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10357 to 6976. [2021-02-23 22:16:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6976 states. [2021-02-23 22:16:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6976 states to 6976 states and 7815 transitions. [2021-02-23 22:16:09,666 INFO L78 Accepts]: Start accepts. Automaton has 6976 states and 7815 transitions. Word has length 487 [2021-02-23 22:16:09,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:16:09,667 INFO L480 AbstractCegarLoop]: Abstraction has 6976 states and 7815 transitions. [2021-02-23 22:16:09,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-02-23 22:16:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 6976 states and 7815 transitions. [2021-02-23 22:16:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-02-23 22:16:09,687 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:16:09,688 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 22:16:09,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 22:16:09,688 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:16:09,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:16:09,689 INFO L82 PathProgramCache]: Analyzing trace with hash -335911582, now seen corresponding path program 1 times [2021-02-23 22:16:09,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:16:09,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493222744] [2021-02-23 22:16:09,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:16:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:09,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:09,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:09,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:09,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:09,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:09,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:09,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:09,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:09,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:09,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:09,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:09,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,255 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:16:10,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:16:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:16:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:16:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:16:10,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:16:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:16:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:16:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:16:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:16:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:16:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:16:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:16:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:16:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-23 22:16:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-02-23 22:16:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-23 22:16:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:10,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:10,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:16:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:16:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:10,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:16:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:16:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:10,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 22:16:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:16:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:10,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-02-23 22:16:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-02-23 22:16:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-02-23 22:16:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:16:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:16:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:16:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:16:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:16:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-02-23 22:16:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-02-23 22:16:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-02-23 22:16:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:16:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:16:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-02-23 22:16:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-02-23 22:16:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:10,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:10,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 133 proven. 39 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-02-23 22:16:10,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493222744] [2021-02-23 22:16:10,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:16:10,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-02-23 22:16:10,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469464202] [2021-02-23 22:16:10,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-23 22:16:10,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:16:10,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-23 22:16:10,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-02-23 22:16:10,863 INFO L87 Difference]: Start difference. First operand 6976 states and 7815 transitions. Second operand 20 states. [2021-02-23 22:16:11,694 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:16:12,210 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:16:12,651 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:16:13,084 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:16:13,508 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 22:16:13,917 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:16:15,566 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:16:16,080 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:16:18,075 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:16:18,753 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:16:19,219 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:16:19,687 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:16:21,900 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:16:22,309 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:16:23,824 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:16:24,205 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:16:24,613 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 22:16:29,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:16:29,453 INFO L93 Difference]: Finished difference Result 15216 states and 17895 transitions. [2021-02-23 22:16:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-23 22:16:29,454 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 493 [2021-02-23 22:16:29,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:16:29,496 INFO L225 Difference]: With dead ends: 15216 [2021-02-23 22:16:29,496 INFO L226 Difference]: Without dead ends: 8941 [2021-02-23 22:16:29,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1397 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=906, Invalid=3924, Unknown=0, NotChecked=0, Total=4830 [2021-02-23 22:16:29,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8941 states. [2021-02-23 22:16:32,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8941 to 6776. [2021-02-23 22:16:32,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6776 states. [2021-02-23 22:16:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6776 states to 6776 states and 7547 transitions. [2021-02-23 22:16:32,782 INFO L78 Accepts]: Start accepts. Automaton has 6776 states and 7547 transitions. Word has length 493 [2021-02-23 22:16:32,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:16:32,783 INFO L480 AbstractCegarLoop]: Abstraction has 6776 states and 7547 transitions. [2021-02-23 22:16:32,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2021-02-23 22:16:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 6776 states and 7547 transitions. [2021-02-23 22:16:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2021-02-23 22:16:32,800 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:16:32,800 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 22:16:32,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 22:16:32,800 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:16:32,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:16:32,801 INFO L82 PathProgramCache]: Analyzing trace with hash -2030733291, now seen corresponding path program 1 times [2021-02-23 22:16:32,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:16:32,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641431905] [2021-02-23 22:16:32,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:16:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:32,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:32,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:32,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:32,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:32,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:32,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:32,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:32,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,196 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:16:33,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:16:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:16:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:16:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:16:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:16:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:16:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:16:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:16:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:33,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:16:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:16:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:16:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-23 22:16:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,338 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:16:33,338 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:16:33,358 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:16:33,359 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:16:33,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 22:16:33,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 22:16:33,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:16:33,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:16:33,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-02-23 22:16:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-23 22:16:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:33,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:33,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:16:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:33,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:33,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:16:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:16:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:16:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 22:16:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:16:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-02-23 22:16:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-02-23 22:16:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-02-23 22:16:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:33,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:33,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:33,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:16:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:33,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:33,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:16:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:16:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:16:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:16:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,622 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:16:33,623 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:16:33,644 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 22:16:33,645 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 22:16:33,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:33,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:16:33,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:16:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-02-23 22:16:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-02-23 22:16:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-02-23 22:16:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:16:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:16:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-02-23 22:16:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:33,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-02-23 22:16:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:33,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:33,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 143 proven. 37 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-02-23 22:16:34,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641431905] [2021-02-23 22:16:34,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:16:34,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-02-23 22:16:34,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912851541] [2021-02-23 22:16:34,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 22:16:34,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:16:34,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 22:16:34,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-02-23 22:16:34,044 INFO L87 Difference]: Start difference. First operand 6776 states and 7547 transitions. Second operand 19 states. [2021-02-23 22:16:34,873 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:16:37,264 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:16:37,708 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:16:38,476 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2021-02-23 22:16:38,872 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:16:39,613 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-02-23 22:16:40,016 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:16:40,750 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2021-02-23 22:16:41,210 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:16:41,755 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:16:42,198 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:16:42,605 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:16:44,580 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:16:45,006 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:16:53,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:16:53,732 INFO L93 Difference]: Finished difference Result 15729 states and 18728 transitions. [2021-02-23 22:16:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-02-23 22:16:53,732 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 494 [2021-02-23 22:16:53,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:16:53,767 INFO L225 Difference]: With dead ends: 15729 [2021-02-23 22:16:53,768 INFO L226 Difference]: Without dead ends: 11626 [2021-02-23 22:16:53,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 149 SyntacticMatches, 6 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2130 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1217, Invalid=5589, Unknown=0, NotChecked=0, Total=6806 [2021-02-23 22:16:53,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11626 states. [2021-02-23 22:16:57,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11626 to 8238. [2021-02-23 22:16:57,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8238 states. [2021-02-23 22:16:57,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8238 states to 8238 states and 9141 transitions. [2021-02-23 22:16:57,382 INFO L78 Accepts]: Start accepts. Automaton has 8238 states and 9141 transitions. Word has length 494 [2021-02-23 22:16:57,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:16:57,383 INFO L480 AbstractCegarLoop]: Abstraction has 8238 states and 9141 transitions. [2021-02-23 22:16:57,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 22:16:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 8238 states and 9141 transitions. [2021-02-23 22:16:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-02-23 22:16:57,403 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:16:57,403 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:57,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 22:16:57,403 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:16:57,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:16:57,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1770879587, now seen corresponding path program 1 times [2021-02-23 22:16:57,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:16:57,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239271475] [2021-02-23 22:16:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:16:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:57,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:57,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:57,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:57,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:57,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,802 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:16:57,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:16:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:16:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:16:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:16:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:16:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:16:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:16:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:16:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:57,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:16:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:16:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:16:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-23 22:16:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,931 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:16:57,932 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:16:57,952 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:16:57,953 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:16:57,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 22:16:57,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 22:16:57,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:57,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:57,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:16:57,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:57,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:16:58,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-02-23 22:16:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-23 22:16:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:58,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:58,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:16:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:58,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:58,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:16:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:16:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:16:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 22:16:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:16:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-02-23 22:16:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-02-23 22:16:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-02-23 22:16:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:58,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:58,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:16:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:58,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:58,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:16:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:16:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:16:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:16:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:16:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-02-23 22:16:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:16:58,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:16:58,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-02-23 22:16:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-02-23 22:16:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:16:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-02-23 22:16:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:58,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:58,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:16:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:16:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 22:16:58,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:16:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-02-23 22:16:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-02-23 22:16:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:16:58,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:16:58,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:16:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-02-23 22:16:58,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239271475] [2021-02-23 22:16:58,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:16:58,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-02-23 22:16:58,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318971020] [2021-02-23 22:16:58,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 22:16:58,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:16:58,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 22:16:58,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-02-23 22:16:58,472 INFO L87 Difference]: Start difference. First operand 8238 states and 9141 transitions. Second operand 19 states. [2021-02-23 22:16:59,223 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:17:01,454 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:17:01,881 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:17:02,661 WARN L202 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2021-02-23 22:17:03,056 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 22:17:03,819 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2021-02-23 22:17:04,233 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 22:17:04,988 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2021-02-23 22:17:05,365 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:17:05,809 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:17:06,281 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 22:17:06,705 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 22:17:07,160 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:17:08,725 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:17:09,146 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:17:09,968 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2021-02-23 22:17:10,773 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2021-02-23 22:17:11,541 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2021-02-23 22:17:12,623 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:17:13,089 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:17:17,570 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 22:17:18,864 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 22:17:19,279 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 22:17:20,030 WARN L202 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:17:20,813 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-23 22:17:21,540 WARN L202 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 22:17:33,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:17:33,390 INFO L93 Difference]: Finished difference Result 20824 states and 24987 transitions. [2021-02-23 22:17:33,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-02-23 22:17:33,390 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 509 [2021-02-23 22:17:33,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:17:33,449 INFO L225 Difference]: With dead ends: 20824 [2021-02-23 22:17:33,450 INFO L226 Difference]: Without dead ends: 15981 [2021-02-23 22:17:33,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 184 SyntacticMatches, 7 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5987 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=2604, Invalid=13652, Unknown=0, NotChecked=0, Total=16256 [2021-02-23 22:17:33,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15981 states. [2021-02-23 22:17:37,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15981 to 10394. [2021-02-23 22:17:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10394 states. [2021-02-23 22:17:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10394 states to 10394 states and 11497 transitions. [2021-02-23 22:17:37,960 INFO L78 Accepts]: Start accepts. Automaton has 10394 states and 11497 transitions. Word has length 509 [2021-02-23 22:17:37,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:17:37,961 INFO L480 AbstractCegarLoop]: Abstraction has 10394 states and 11497 transitions. [2021-02-23 22:17:37,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 22:17:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 10394 states and 11497 transitions. [2021-02-23 22:17:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2021-02-23 22:17:37,989 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:17:37,990 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 22:17:37,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-23 22:17:37,990 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:17:37,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:17:37,991 INFO L82 PathProgramCache]: Analyzing trace with hash -123422884, now seen corresponding path program 1 times [2021-02-23 22:17:37,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:17:37,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978013728] [2021-02-23 22:17:37,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:17:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:17:38,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:38,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:17:38,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:17:38,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:17:38,157 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 22:17:38,157 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 22:17:38,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:38,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:38,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:38,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,518 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 22:17:38,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 22:17:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 22:17:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 22:17:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 22:17:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 22:17:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 22:17:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 22:17:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 22:17:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:38,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:17:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:17:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:17:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-23 22:17:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,662 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:17:38,662 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:17:38,686 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-23 22:17:38,687 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-23 22:17:38,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 22:17:38,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 22:17:38,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:17:38,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:17:38,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-02-23 22:17:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-23 22:17:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:38,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:17:38,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:17:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:38,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:17:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:17:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:17:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:17:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 22:17:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:17:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-02-23 22:17:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-02-23 22:17:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-02-23 22:17:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:38,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 22:17:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 22:17:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:17:38,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 22:17:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 22:17:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 22:17:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 22:17:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 22:17:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:38,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:38,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:17:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-02-23 22:17:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:39,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 22:17:39,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-02-23 22:17:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-02-23 22:17:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:39,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-23 22:17:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 22:17:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-02-23 22:17:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:17:39,162 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-23 22:17:39,162 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-23 22:17:39,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-02-23 22:17:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-02-23 22:17:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:17:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-02-23 22:17:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 22:17:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 22:17:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 22:17:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2021-02-23 22:17:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:39,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:17:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-02-23 22:17:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:17:39,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:17:39,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:17:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 165 proven. 125 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-02-23 22:17:39,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978013728] [2021-02-23 22:17:39,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:17:39,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-02-23 22:17:39,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993371536] [2021-02-23 22:17:39,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-23 22:17:39,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:17:39,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-23 22:17:39,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2021-02-23 22:17:39,802 INFO L87 Difference]: Start difference. First operand 10394 states and 11497 transitions. Second operand 26 states. [2021-02-23 22:17:40,931 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2021-02-23 22:17:42,508 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2021-02-23 22:17:44,566 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-23 22:17:45,392 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2021-02-23 22:17:46,362 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2021-02-23 22:17:47,153 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2021-02-23 22:17:47,957 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2021-02-23 22:17:48,756 WARN L202 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2021-02-23 22:17:49,545 WARN L202 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2021-02-23 22:17:50,318 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2021-02-23 22:17:51,103 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2021-02-23 22:17:51,852 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2021-02-23 22:17:57,456 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2021-02-23 22:17:59,068 WARN L202 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2021-02-23 22:17:59,911 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2021-02-23 22:18:00,710 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2021-02-23 22:18:01,524 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2021-02-23 22:18:02,289 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2021-02-23 22:18:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:18:11,555 INFO L93 Difference]: Finished difference Result 21677 states and 25597 transitions. [2021-02-23 22:18:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-02-23 22:18:11,556 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 579 [2021-02-23 22:18:11,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:18:11,562 INFO L225 Difference]: With dead ends: 21677 [2021-02-23 22:18:11,562 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 22:18:11,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 167 SyntacticMatches, 11 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3407 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=1375, Invalid=9131, Unknown=0, NotChecked=0, Total=10506 [2021-02-23 22:18:11,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 22:18:11,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 22:18:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 22:18:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 22:18:11,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 579 [2021-02-23 22:18:11,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:18:11,613 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 22:18:11,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-23 22:18:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 22:18:11,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 22:18:11,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-23 22:18:11,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 22:18:11,936 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 254 [2021-02-23 22:18:12,971 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 272 [2021-02-23 22:18:13,336 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 273 [2021-02-23 22:18:14,193 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 275 [2021-02-23 22:18:16,090 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 271 [2021-02-23 22:18:16,752 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 244 [2021-02-23 22:18:16,930 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2021-02-23 22:18:18,934 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2021-02-23 22:18:19,066 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2021-02-23 22:18:19,421 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 265 [2021-02-23 22:18:20,337 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2021-02-23 22:18:38,983 WARN L202 SmtUtils]: Spent 17.39 s on a formula simplification. DAG size of input: 1887 DAG size of output: 971 [2021-02-23 22:18:57,057 WARN L202 SmtUtils]: Spent 17.44 s on a formula simplification. DAG size of input: 1887 DAG size of output: 971 [2021-02-23 22:19:09,661 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:19:10,090 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2021-02-23 22:19:12,301 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2021-02-23 22:19:17,770 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 269 [2021-02-23 22:19:18,481 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 272 [2021-02-23 22:19:21,595 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2021-02-23 22:19:21,806 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 269 [2021-02-23 22:19:22,347 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 271 [2021-02-23 22:19:22,509 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2021-02-23 22:19:22,834 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2021-02-23 22:19:23,076 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-02-23 22:19:23,901 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2021-02-23 22:19:24,698 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2021-02-23 22:19:25,568 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 267 [2021-02-23 22:19:25,769 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 246 [2021-02-23 22:19:26,392 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 248 [2021-02-23 22:19:26,690 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 265 [2021-02-23 22:19:34,533 WARN L202 SmtUtils]: Spent 7.45 s on a formula simplification. DAG size of input: 1488 DAG size of output: 752 [2021-02-23 22:19:43,304 WARN L202 SmtUtils]: Spent 8.77 s on a formula simplification. DAG size of input: 1462 DAG size of output: 817 [2021-02-23 22:19:52,628 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:19:54,945 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-02-23 22:20:01,022 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 260 [2021-02-23 22:20:01,835 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:20:22,546 WARN L202 SmtUtils]: Spent 13.47 s on a formula simplification. DAG size of input: 1678 DAG size of output: 930 [2021-02-23 22:20:35,996 WARN L202 SmtUtils]: Spent 13.44 s on a formula simplification. DAG size of input: 1678 DAG size of output: 930 [2021-02-23 22:20:46,842 WARN L202 SmtUtils]: Spent 10.26 s on a formula simplification. DAG size of input: 1348 DAG size of output: 854 [2021-02-23 22:21:04,670 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 275 [2021-02-23 22:21:04,988 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 277 [2021-02-23 22:21:05,181 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2021-02-23 22:21:05,664 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 278 [2021-02-23 22:21:07,169 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 273 [2021-02-23 22:21:07,665 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 275 [2021-02-23 22:21:07,820 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 274 [2021-02-23 22:21:08,448 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 276 [2021-02-23 22:21:09,923 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:21:10,126 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2021-02-23 22:21:10,724 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:21:10,983 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2021-02-23 22:21:11,085 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2021-02-23 22:21:11,508 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2021-02-23 22:21:11,652 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2021-02-23 22:21:13,660 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:21:14,661 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:21:14,857 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2021-02-23 22:21:16,352 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2021-02-23 22:21:16,889 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:21:17,367 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2021-02-23 22:21:25,362 WARN L202 SmtUtils]: Spent 7.48 s on a formula simplification. DAG size of input: 1488 DAG size of output: 752 [2021-02-23 22:21:25,902 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:26,068 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:31,246 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:31,418 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:33,367 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:33,554 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:34,441 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:34,543 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2021-02-23 22:21:34,686 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:35,695 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:21:35,815 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2021-02-23 22:21:48,480 WARN L202 SmtUtils]: Spent 7.46 s on a formula simplification. DAG size of input: 1488 DAG size of output: 752 [2021-02-23 22:21:55,969 WARN L202 SmtUtils]: Spent 7.48 s on a formula simplification. DAG size of input: 1488 DAG size of output: 752 [2021-02-23 22:22:13,219 WARN L202 SmtUtils]: Spent 17.24 s on a formula simplification. DAG size of input: 1887 DAG size of output: 971 [2021-02-23 22:22:14,286 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 272 [2021-02-23 22:22:14,459 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 273 [2021-02-23 22:22:14,904 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 275 [2021-02-23 22:22:16,288 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 271 [2021-02-23 22:22:19,151 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 239 [2021-02-23 22:22:19,776 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:22:20,014 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:22:20,604 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 239 [2021-02-23 22:22:21,162 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:22:21,649 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:22:22,581 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 239 [2021-02-23 22:22:22,732 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 239 [2021-02-23 22:22:23,405 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 239 [2021-02-23 22:22:24,270 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 239 [2021-02-23 22:22:24,745 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:22:25,285 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:22:25,420 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:22:26,104 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 239 [2021-02-23 22:22:27,165 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 239 [2021-02-23 22:22:27,327 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:22:27,710 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 245 [2021-02-23 22:22:28,086 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 260 [2021-02-23 22:22:28,334 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 260 [2021-02-23 22:22:28,788 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 264 [2021-02-23 22:22:29,450 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 265 [2021-02-23 22:22:32,232 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 258 [2021-02-23 22:22:32,416 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 263 [2021-02-23 22:22:32,924 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 264 [2021-02-23 22:22:33,056 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 262 [2021-02-23 22:22:33,370 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 264 [2021-02-23 22:22:33,596 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 260 [2021-02-23 22:22:34,368 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 257 [2021-02-23 22:22:35,108 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2021-02-23 22:22:54,598 WARN L202 SmtUtils]: Spent 17.25 s on a formula simplification. DAG size of input: 1887 DAG size of output: 971 [2021-02-23 22:23:11,815 WARN L202 SmtUtils]: Spent 17.19 s on a formula simplification. DAG size of input: 1887 DAG size of output: 971 [2021-02-23 22:23:12,094 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 273 [2021-02-23 22:23:12,580 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 275 [2021-02-23 22:23:12,736 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 274 [2021-02-23 22:23:13,385 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 276 [2021-02-23 22:23:31,219 WARN L202 SmtUtils]: Spent 17.08 s on a formula simplification. DAG size of input: 1887 DAG size of output: 971 [2021-02-23 22:23:31,745 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 249 [2021-02-23 22:23:31,949 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 246 [2021-02-23 22:23:32,559 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 248 [2021-02-23 22:23:32,858 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2021-02-23 22:23:40,526 WARN L202 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 1488 DAG size of output: 752 [2021-02-23 22:23:40,788 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 277 [2021-02-23 22:23:41,111 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 279 [2021-02-23 22:23:41,309 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 279 [2021-02-23 22:23:41,777 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 280 [2021-02-23 22:23:42,532 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 275 [2021-02-23 22:23:42,847 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 277 [2021-02-23 22:23:43,036 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2021-02-23 22:23:43,520 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 279 [2021-02-23 22:24:11,879 WARN L202 SmtUtils]: Spent 17.30 s on a formula simplification. DAG size of input: 1887 DAG size of output: 971 [2021-02-23 22:24:26,967 WARN L202 SmtUtils]: Spent 13.48 s on a formula simplification. DAG size of input: 1678 DAG size of output: 930 [2021-02-23 22:24:29,957 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2021-02-23 22:24:31,936 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:24:32,072 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:24:32,619 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:24:33,150 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:24:33,269 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:24:35,442 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:24:35,893 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:24:36,061 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:24:44,477 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 260 [2021-02-23 22:24:44,669 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 246 [2021-02-23 22:24:45,245 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2021-02-23 22:24:45,525 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 259 [2021-02-23 22:24:57,237 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 253 [2021-02-23 22:25:00,936 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 266 [2021-02-23 22:25:02,071 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 266 [2021-02-23 22:25:02,655 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 265 [2021-02-23 22:25:03,167 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 265 [2021-02-23 22:25:04,099 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 266 [2021-02-23 22:25:04,313 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 266 [2021-02-23 22:25:04,986 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 266 [2021-02-23 22:25:05,799 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 266 [2021-02-23 22:25:06,239 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 265 [2021-02-23 22:25:07,378 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 266 [2021-02-23 22:25:08,248 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 266 [2021-02-23 22:25:08,419 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 265 [2021-02-23 22:25:08,767 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 265 [2021-02-23 22:25:19,993 WARN L202 SmtUtils]: Spent 7.40 s on a formula simplification. DAG size of input: 1488 DAG size of output: 752 [2021-02-23 22:25:28,530 WARN L202 SmtUtils]: Spent 8.53 s on a formula simplification. DAG size of input: 1301 DAG size of output: 781 [2021-02-23 22:25:42,333 WARN L202 SmtUtils]: Spent 13.26 s on a formula simplification. DAG size of input: 1678 DAG size of output: 930 [2021-02-23 22:25:44,252 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 259 [2021-02-23 22:25:44,647 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2021-02-23 22:25:45,234 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 245 [2021-02-23 22:25:45,392 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 248 [2021-02-23 22:25:45,900 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2021-02-23 22:25:46,323 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2021-02-23 22:25:47,324 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 258 [2021-02-23 22:25:48,741 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2021-02-23 22:25:51,356 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 259 [2021-02-23 22:25:51,756 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2021-02-23 22:25:52,332 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 245 [2021-02-23 22:25:52,491 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 248 [2021-02-23 22:25:52,997 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2021-02-23 22:25:53,416 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2021-02-23 22:25:54,406 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 258 [2021-02-23 22:25:55,829 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2021-02-23 22:26:01,214 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:26:01,349 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:26:02,060 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:26:02,686 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:26:02,824 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:26:06,035 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:26:06,866 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:26:07,039 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:26:08,770 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:26:08,904 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:26:10,677 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:26:10,812 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2021-02-23 22:26:11,967 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 260 [2021-02-23 22:26:12,153 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 260 [2021-02-23 22:26:32,653 WARN L202 SmtUtils]: Spent 20.47 s on a formula simplification. DAG size of input: 2124 DAG size of output: 1218 [2021-02-23 22:26:49,758 WARN L202 SmtUtils]: Spent 17.10 s on a formula simplification. DAG size of input: 1887 DAG size of output: 971 [2021-02-23 22:27:02,299 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2021-02-23 22:27:07,357 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261