/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 -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 17:22:52,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 17:22:52,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 17:22:52,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 17:22:52,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 17:22:52,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 17:22:52,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 17:22:52,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 17:22:52,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 17:22:52,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 17:22:52,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 17:22:52,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 17:22:52,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 17:22:52,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 17:22:52,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 17:22:52,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 17:22:52,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 17:22:52,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 17:22:52,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 17:22:52,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 17:22:52,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 17:22:52,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 17:22:52,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 17:22:52,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 17:22:52,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 17:22:52,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 17:22:52,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 17:22:52,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 17:22:52,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 17:22:52,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 17:22:52,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 17:22:52,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 17:22:52,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 17:22:52,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 17:22:52,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 17:22:52,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 17:22:52,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 17:22:52,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 17:22:52,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 17:22:52,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 17:22:52,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 17:22:52,617 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 17:22:52,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 17:22:52,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 17:22:52,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 17:22:52,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 17:22:52,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 17:22:52,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 17:22:52,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 17:22:52,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 17:22:52,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 17:22:52,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 17:22:52,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 17:22:52,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 17:22:52,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 17:22:52,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 17:22:52,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 17:22:52,635 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 17:22:52,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 17:22:52,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 17:22:52,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 17:22:52,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 17:22:52,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 17:22:52,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 17:22:52,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 17:22:53,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 17:22:53,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 17:22:53,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 17:22:53,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 17:22:53,066 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 17:22:53,067 INFO L432 ainManager$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 17:22:53,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4929c364/9fb25a952c2346ea97798010df102d21/FLAGe59890807 [2021-02-23 17:22:53,914 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 17:22:53,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-23 17:22:53,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4929c364/9fb25a952c2346ea97798010df102d21/FLAGe59890807 [2021-02-23 17:22:54,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4929c364/9fb25a952c2346ea97798010df102d21 [2021-02-23 17:22:54,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 17:22:54,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 17:22:54,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 17:22:54,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 17:22:54,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 17:22:54,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503c8509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54, skipping insertion in model container [2021-02-23 17:22:54,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 17:22:54,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 17:22:54,698 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 17:22:54,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:22:54,723 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 17:22:54,813 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 17:22:54,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:22:54,877 INFO L208 MainTranslator]: Completed translation [2021-02-23 17:22:54,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54 WrapperNode [2021-02-23 17:22:54,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 17:22:54,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 17:22:54,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 17:22:54,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 17:22:54,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (1/1) ... [2021-02-23 17:22:54,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 17:22:54,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 17:22:54,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 17:22:54,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 17:22:54,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (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 17:22:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 17:22:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 17:22:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 17:22:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 17:22:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 17:22:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 17:22:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 17:22:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 17:22:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 17:22:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 17:22:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 17:22:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 17:22:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 17:22:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-23 17:22:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-23 17:22:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-23 17:22:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 17:22:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 17:22:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 17:22:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 17:22:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 17:22:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 17:22:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 17:22:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-23 17:22:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-23 17:22:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-23 17:22:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 17:22:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 17:22:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 17:22:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 17:22:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 17:22:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 17:22:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 17:22:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 17:22:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 17:22:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 17:22:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 17:22:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 17:22:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 17:22:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 17:22:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 17:22:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 17:22:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-23 17:22:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 17:22:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 17:22:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 17:22:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 17:22:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 17:22:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 17:22:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 17:22:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 17:22:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 17:22:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-23 17:22:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 17:22:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 17:22:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 17:22:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 17:22:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 17:22:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-23 17:22:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-23 17:22:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-23 17:22:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-23 17:22:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 17:22:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 17:22:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-23 17:22:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 17:22:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 17:22:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 17:22:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 17:22:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 17:22:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 17:22:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 17:22:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 17:22:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 17:22:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 17:22:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 17:22:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 17:22:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 17:22:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 17:22:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 17:22:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 17:22:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 17:22:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 17:22:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 17:22:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 17:22:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 17:22:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 17:22:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 17:22:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-23 17:22:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 17:22:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 17:22:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 17:22:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 17:22:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 17:22:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 17:22:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 17:22:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 17:22:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 17:22:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 17:22:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 17:22:56,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 17:22:56,292 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 17:22:56,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:22:56 BoogieIcfgContainer [2021-02-23 17:22:56,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 17:22:56,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 17:22:56,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 17:22:56,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 17:22:56,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 05:22:54" (1/3) ... [2021-02-23 17:22:56,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2440c450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:22:56, skipping insertion in model container [2021-02-23 17:22:56,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:22:54" (2/3) ... [2021-02-23 17:22:56,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2440c450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:22:56, skipping insertion in model container [2021-02-23 17:22:56,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:22:56" (3/3) ... [2021-02-23 17:22:56,309 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-02-23 17:22:56,317 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 17:22:56,323 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 17:22:56,342 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 17:22:56,369 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 17:22:56,370 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 17:22:56,370 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 17:22:56,370 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 17:22:56,370 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 17:22:56,370 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 17:22:56,371 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 17:22:56,371 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 17:22:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2021-02-23 17:22:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-23 17:22:56,416 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:22:56,417 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 17:22:56,418 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:22:56,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:22:56,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1631473396, now seen corresponding path program 1 times [2021-02-23 17:22:56,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:22:56,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526555217] [2021-02-23 17:22:56,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:22:56,512 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:22:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:56,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:56,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:56,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:56,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,227 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:22:57,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:22:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:22:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:22:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:22:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:22:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:22:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 17:22:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:22:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-23 17:22:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-23 17:22:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:57,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:57,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:57,442 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 17:22:57,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526555217] [2021-02-23 17:22:57,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:22:57,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 17:22:57,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356726557] [2021-02-23 17:22:57,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 17:22:57,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:22:57,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 17:22:57,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 17:22:57,468 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2021-02-23 17:22:59,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:22:59,158 INFO L93 Difference]: Finished difference Result 526 states and 618 transitions. [2021-02-23 17:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 17:22:59,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-23 17:22:59,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:22:59,178 INFO L225 Difference]: With dead ends: 526 [2021-02-23 17:22:59,179 INFO L226 Difference]: Without dead ends: 332 [2021-02-23 17:22:59,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 17:22:59,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-23 17:22:59,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2021-02-23 17:22:59,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-23 17:22:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 308 transitions. [2021-02-23 17:22:59,447 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 308 transitions. Word has length 165 [2021-02-23 17:22:59,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:22:59,450 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 308 transitions. [2021-02-23 17:22:59,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 17:22:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 308 transitions. [2021-02-23 17:22:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-23 17:22:59,468 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:22:59,469 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 17:22:59,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 17:22:59,469 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:22:59,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:22:59,471 INFO L82 PathProgramCache]: Analyzing trace with hash -858118948, now seen corresponding path program 1 times [2021-02-23 17:22:59,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:22:59,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417764682] [2021-02-23 17:22:59,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:22:59,479 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:22:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:22:59,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:59,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:22:59,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:59,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:22:59,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:22:59,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,007 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:23:00,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:23:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:23:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:23:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:23:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:23:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 17:23:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 17:23:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 17:23:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:00,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:00,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:00,210 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 17:23:00,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417764682] [2021-02-23 17:23:00,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:23:00,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 17:23:00,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111641800] [2021-02-23 17:23:00,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 17:23:00,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:23:00,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 17:23:00,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 17:23:00,226 INFO L87 Difference]: Start difference. First operand 283 states and 308 transitions. Second operand 5 states. [2021-02-23 17:23:01,074 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:02,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:23:02,342 INFO L93 Difference]: Finished difference Result 444 states and 501 transitions. [2021-02-23 17:23:02,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 17:23:02,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-23 17:23:02,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:23:02,349 INFO L225 Difference]: With dead ends: 444 [2021-02-23 17:23:02,349 INFO L226 Difference]: Without dead ends: 321 [2021-02-23 17:23:02,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 17:23:02,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-02-23 17:23:02,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2021-02-23 17:23:02,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-23 17:23:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2021-02-23 17:23:02,461 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 166 [2021-02-23 17:23:02,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:23:02,461 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2021-02-23 17:23:02,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 17:23:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2021-02-23 17:23:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-23 17:23:02,464 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:23:02,465 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 17:23:02,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 17:23:02,465 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:23:02,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:23:02,466 INFO L82 PathProgramCache]: Analyzing trace with hash 567614448, now seen corresponding path program 1 times [2021-02-23 17:23:02,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:23:02,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013313113] [2021-02-23 17:23:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:23:02,470 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:23:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:02,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:02,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:02,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:02,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:02,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 17:23:02,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:02,929 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:23:02,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:02,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:02,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:23:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:02,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:02,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:23:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:02,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:02,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:23:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:02,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:02,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:02,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:03,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:03,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:03,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:23:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:03,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:03,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:03,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:23:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:03,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:03,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:03,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:23:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:03,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:03,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:03,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 17:23:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:03,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:03,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:03,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:03,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:03,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:03,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-23 17:23:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:03,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:03,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:03,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-23 17:23:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:03,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:03,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:03,164 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 17:23:03,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013313113] [2021-02-23 17:23:03,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:23:03,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 17:23:03,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013268344] [2021-02-23 17:23:03,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 17:23:03,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:23:03,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 17:23:03,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 17:23:03,167 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 11 states. [2021-02-23 17:23:03,907 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 17:23:04,377 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:23:04,795 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 17:23:05,190 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:05,611 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:23:06,013 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:07,311 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:10,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:23:10,117 INFO L93 Difference]: Finished difference Result 746 states and 868 transitions. [2021-02-23 17:23:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 17:23:10,118 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-23 17:23:10,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:23:10,126 INFO L225 Difference]: With dead ends: 746 [2021-02-23 17:23:10,126 INFO L226 Difference]: Without dead ends: 593 [2021-02-23 17:23:10,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-23 17:23:10,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-02-23 17:23:10,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 494. [2021-02-23 17:23:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2021-02-23 17:23:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 554 transitions. [2021-02-23 17:23:10,349 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 554 transitions. Word has length 179 [2021-02-23 17:23:10,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:23:10,350 INFO L480 AbstractCegarLoop]: Abstraction has 494 states and 554 transitions. [2021-02-23 17:23:10,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 17:23:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 554 transitions. [2021-02-23 17:23:10,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-23 17:23:10,353 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:23:10,354 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 17:23:10,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 17:23:10,354 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:23:10,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:23:10,355 INFO L82 PathProgramCache]: Analyzing trace with hash -412837419, now seen corresponding path program 1 times [2021-02-23 17:23:10,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:23:10,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940885144] [2021-02-23 17:23:10,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:23:10,359 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:23:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,813 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:23:10,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:23:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:23:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:23:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:23:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:23:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-23 17:23:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 17:23:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-23 17:23:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 17:23:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:10,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:10,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:10,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:10,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:11,011 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 17:23:11,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940885144] [2021-02-23 17:23:11,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:23:11,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 17:23:11,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564295037] [2021-02-23 17:23:11,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 17:23:11,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:23:11,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 17:23:11,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-23 17:23:11,014 INFO L87 Difference]: Start difference. First operand 494 states and 554 transitions. Second operand 10 states. [2021-02-23 17:23:11,660 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 17:23:12,706 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:13,121 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:23:14,342 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 17:23:14,710 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:15,154 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:15,556 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:15,997 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:23:16,383 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:17,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:23:17,499 INFO L93 Difference]: Finished difference Result 1133 states and 1360 transitions. [2021-02-23 17:23:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-23 17:23:17,500 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-23 17:23:17,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:23:17,507 INFO L225 Difference]: With dead ends: 1133 [2021-02-23 17:23:17,507 INFO L226 Difference]: Without dead ends: 759 [2021-02-23 17:23:17,509 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 17:23:17,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2021-02-23 17:23:17,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 666. [2021-02-23 17:23:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2021-02-23 17:23:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 750 transitions. [2021-02-23 17:23:17,789 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 750 transitions. Word has length 184 [2021-02-23 17:23:17,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:23:17,790 INFO L480 AbstractCegarLoop]: Abstraction has 666 states and 750 transitions. [2021-02-23 17:23:17,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 17:23:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 750 transitions. [2021-02-23 17:23:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-23 17:23:17,794 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:23:17,800 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 17:23:17,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 17:23:17,801 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:23:17,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:23:17,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1003651235, now seen corresponding path program 1 times [2021-02-23 17:23:17,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:23:17,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638075243] [2021-02-23 17:23:17,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:23:17,806 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:23:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:17,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:17,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:17,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:17,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,190 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:23:18,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:23:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:23:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:23:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:23:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:23:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:23:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 17:23:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 17:23:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:18,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:18,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:18,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:18,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:18,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:23:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 17:23:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-23 17:23:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-23 17:23:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:18,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:18,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 17:23:18,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638075243] [2021-02-23 17:23:18,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:23:18,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 17:23:18,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120145492] [2021-02-23 17:23:18,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 17:23:18,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:23:18,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 17:23:18,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 17:23:18,418 INFO L87 Difference]: Start difference. First operand 666 states and 750 transitions. Second operand 11 states. [2021-02-23 17:23:20,234 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:20,656 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:23:21,068 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 17:23:21,457 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:21,856 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:23:22,239 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:23:23,536 INFO L93 Difference]: Finished difference Result 1420 states and 1704 transitions. [2021-02-23 17:23:23,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 17:23:23,537 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2021-02-23 17:23:23,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:23:23,544 INFO L225 Difference]: With dead ends: 1420 [2021-02-23 17:23:23,544 INFO L226 Difference]: Without dead ends: 874 [2021-02-23 17:23:23,546 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 17:23:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-02-23 17:23:23,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 685. [2021-02-23 17:23:23,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2021-02-23 17:23:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 770 transitions. [2021-02-23 17:23:23,915 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 770 transitions. Word has length 217 [2021-02-23 17:23:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:23:23,917 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 770 transitions. [2021-02-23 17:23:23,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 17:23:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 770 transitions. [2021-02-23 17:23:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-23 17:23:23,921 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:23:23,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:23,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 17:23:23,921 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:23:23,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:23:23,922 INFO L82 PathProgramCache]: Analyzing trace with hash 878446851, now seen corresponding path program 1 times [2021-02-23 17:23:23,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:23:23,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209404177] [2021-02-23 17:23:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:23:23,926 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:23:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:24,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:24,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,417 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:23:24,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:23:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:23:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:23:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:24,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:24,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:23:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:23:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:23:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 17:23:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 17:23:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:24,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:24,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:23:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:24,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:24,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 17:23:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-23 17:23:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-23 17:23:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:24,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:24,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 17:23:24,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209404177] [2021-02-23 17:23:24,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:23:24,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 17:23:24,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801851199] [2021-02-23 17:23:24,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 17:23:24,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:23:24,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 17:23:24,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-23 17:23:24,713 INFO L87 Difference]: Start difference. First operand 685 states and 770 transitions. Second operand 14 states. [2021-02-23 17:23:25,463 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:25,867 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:23:26,252 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:26,630 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:23:26,993 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:28,332 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:28,732 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:23:29,149 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:29,586 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:23:29,966 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:31,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:23:31,752 INFO L93 Difference]: Finished difference Result 1461 states and 1771 transitions. [2021-02-23 17:23:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 17:23:31,753 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2021-02-23 17:23:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:23:31,760 INFO L225 Difference]: With dead ends: 1461 [2021-02-23 17:23:31,760 INFO L226 Difference]: Without dead ends: 896 [2021-02-23 17:23:31,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-23 17:23:31,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-02-23 17:23:32,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 697. [2021-02-23 17:23:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-02-23 17:23:32,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 782 transitions. [2021-02-23 17:23:32,149 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 782 transitions. Word has length 217 [2021-02-23 17:23:32,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:23:32,150 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 782 transitions. [2021-02-23 17:23:32,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 17:23:32,150 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 782 transitions. [2021-02-23 17:23:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-23 17:23:32,154 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:23:32,154 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 17:23:32,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 17:23:32,154 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:23:32,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:23:32,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1568940992, now seen corresponding path program 1 times [2021-02-23 17:23:32,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:23:32,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601577060] [2021-02-23 17:23:32,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:23:32,158 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:23:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:32,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:32,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:32,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:32,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:23:32,231 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-23 17:23:32,231 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-23 17:23:32,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,550 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:23:32,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:23:32,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:23:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:23:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:23:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:23:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:23:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:23:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 17:23:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 17:23:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:32,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 17:23:32,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 17:23:32,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:23:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 17:23:32,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 17:23:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-23 17:23:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-23 17:23:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:32,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:32,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 17:23:32,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601577060] [2021-02-23 17:23:32,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:23:32,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 17:23:32,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109431498] [2021-02-23 17:23:32,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 17:23:32,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:23:32,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 17:23:32,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 17:23:32,796 INFO L87 Difference]: Start difference. First operand 697 states and 782 transitions. Second operand 8 states. [2021-02-23 17:23:33,407 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 17:23:34,213 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 17:23:37,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:23:37,729 INFO L93 Difference]: Finished difference Result 2230 states and 2731 transitions. [2021-02-23 17:23:37,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-23 17:23:37,734 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2021-02-23 17:23:37,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:23:37,745 INFO L225 Difference]: With dead ends: 2230 [2021-02-23 17:23:37,746 INFO L226 Difference]: Without dead ends: 1653 [2021-02-23 17:23:37,749 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 17:23:37,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2021-02-23 17:23:38,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1385. [2021-02-23 17:23:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2021-02-23 17:23:38,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1579 transitions. [2021-02-23 17:23:38,321 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1579 transitions. Word has length 217 [2021-02-23 17:23:38,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:23:38,321 INFO L480 AbstractCegarLoop]: Abstraction has 1385 states and 1579 transitions. [2021-02-23 17:23:38,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 17:23:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1579 transitions. [2021-02-23 17:23:38,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-23 17:23:38,326 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:23:38,326 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 17:23:38,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 17:23:38,326 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:23:38,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:23:38,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1294702977, now seen corresponding path program 1 times [2021-02-23 17:23:38,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:23:38,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1476783800] [2021-02-23 17:23:38,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:23:38,330 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:23:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:38,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:38,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:38,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:38,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:38,496 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 17:23:38,496 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 17:23:38,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:38,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:38,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:38,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:38,860 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:23:38,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:38,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:38,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:23:38,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:23:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:38,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:38,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:23:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:38,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:38,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:23:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:38,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:38,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:23:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:38,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:38,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:23:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:38,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:38,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 17:23:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:38,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:38,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:38,968 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-23 17:23:38,969 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-23 17:23:39,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 17:23:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 17:23:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-23 17:23:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:23:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 17:23:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 17:23:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:39,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-23 17:23:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:39,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:39,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 17:23:39,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1476783800] [2021-02-23 17:23:39,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:23:39,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-23 17:23:39,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435326153] [2021-02-23 17:23:39,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-23 17:23:39,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:23:39,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-23 17:23:39,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-23 17:23:39,164 INFO L87 Difference]: Start difference. First operand 1385 states and 1579 transitions. Second operand 15 states. [2021-02-23 17:23:40,172 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-23 17:23:41,165 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 17:23:42,818 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-23 17:23:43,578 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-23 17:23:44,056 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:44,454 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:23:45,237 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-23 17:23:45,618 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:46,068 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:23:46,448 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:50,274 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-23 17:23:51,069 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 17:23:51,460 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:23:52,046 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:23:53,512 WARN L202 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-23 17:23:54,279 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-23 17:23:55,048 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-23 17:23:55,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:23:55,998 INFO L93 Difference]: Finished difference Result 4228 states and 5195 transitions. [2021-02-23 17:23:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-23 17:23:55,999 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2021-02-23 17:23:55,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:23:56,018 INFO L225 Difference]: With dead ends: 4228 [2021-02-23 17:23:56,019 INFO L226 Difference]: Without dead ends: 3244 [2021-02-23 17:23:56,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2021-02-23 17:23:56,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2021-02-23 17:23:57,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 2534. [2021-02-23 17:23:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2534 states. [2021-02-23 17:23:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 2870 transitions. [2021-02-23 17:23:57,207 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 2870 transitions. Word has length 222 [2021-02-23 17:23:57,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:23:57,208 INFO L480 AbstractCegarLoop]: Abstraction has 2534 states and 2870 transitions. [2021-02-23 17:23:57,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-23 17:23:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2870 transitions. [2021-02-23 17:23:57,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-02-23 17:23:57,215 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:23:57,216 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 17:23:57,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 17:23:57,216 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:23:57,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:23:57,216 INFO L82 PathProgramCache]: Analyzing trace with hash 392433829, now seen corresponding path program 1 times [2021-02-23 17:23:57,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:23:57,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554068034] [2021-02-23 17:23:57,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:23:57,545 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-02-23 17:23:57,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:57,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-02-23 17:23:57,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:57,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:57,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:57,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:57,811 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2021-02-23 17:23:57,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:57,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-23 17:23:58,046 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-02-23 17:23:58,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-02-23 17:23:58,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,408 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2021-02-23 17:23:58,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-23 17:23:58,419 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-23 17:23:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:58,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 17:23:58,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,874 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 17:23:58,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:23:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 17:23:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 17:23:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 17:23:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 17:23:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-23 17:23:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 17:23:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:58,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:58,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:23:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:58,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:58,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:58,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:58,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:59,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-23 17:23:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:59,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-23 17:23:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:59,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:59,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 17:23:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:59,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:23:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:59,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 17:23:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:59,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-02-23 17:23:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:59,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-02-23 17:23:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:23:59,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 17:23:59,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:23:59,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:23:59,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:59,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:59,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 17:23:59,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 17:23:59,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-02-23 17:23:59,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:23:59,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:59,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 17:23:59,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:23:59,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:59,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:23:59,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-02-23 17:23:59,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:23:59,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:23:59,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:23:59,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:59,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:23:59,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:59,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-02-23 17:23:59,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:23:59,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:59,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:23:59,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 17:23:59,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:23:59,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:23:59,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:23:59,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:59,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 17:23:59,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:23:59,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:23:59,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 17:23:59,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:23:59,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:23:59,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:23:59,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 17:23:59,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:23:59,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 17:23:59,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:23:59,574 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-23 17:23:59,576 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-23 17:23:59,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 17:23:59,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 17:23:59,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:23:59,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:23:59,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:23:59,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 17:23:59,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:23:59,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:23:59,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:23:59,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 17:23:59,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:23:59,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 17:23:59,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 17:23:59,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:59,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 17:23:59,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:23:59,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:23:59,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:24:00,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:24:00,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:24:00,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 17:24:00,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 17:24:00,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 17:24:00,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 17:24:00,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:00,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 17:24:00,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:00,294 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-23 17:24:00,295 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-23 17:24:00,335 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-23 17:24:00,335 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-23 17:24:00,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 17:24:00,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 17:24:00,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 17:24:00,440 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-23 17:24:00,441 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-23 17:24:00,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:24:00,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:00,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:00,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 17:24:00,680 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-23 17:24:00,680 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-23 17:24:00,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:00,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 17:24:00,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:24:00,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:00,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 17:24:00,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:00,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-23 17:24:01,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-23 17:24:01,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-23 17:24:01,085 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-23 17:24:01,086 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-23 17:24:01,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:01,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 17:24:01,229 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-23 17:24:01,229 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-23 17:24:01,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 17:24:01,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:24:01,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 17:24:01,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:24:01,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 17:24:01,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 17:24:01,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 17:24:01,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:24:01,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:01,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:01,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 17:24:01,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 17:24:01,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:01,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 17:24:01,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 17:24:01,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 17:24:01,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 17:24:01,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 17:24:01,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 17:24:01,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:24:01,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:24:01,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554068034] [2021-02-23 17:24:01,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:24:01,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2021-02-23 17:24:01,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490558374] [2021-02-23 17:24:01,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-23 17:24:01,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:24:01,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-23 17:24:01,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=3333, Unknown=0, NotChecked=0, Total=3660 [2021-02-23 17:24:01,980 INFO L87 Difference]: Start difference. First operand 2534 states and 2870 transitions. Second operand 56 states. [2021-02-23 17:24:02,662 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 17:24:03,409 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:24:03,791 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 17:24:04,211 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 17:24:04,624 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 17:24:05,041 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 17:24:05,535 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 17:24:05,962 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 17:24:06,401 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 17:24:06,890 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 17:24:07,341 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 17:24:07,832 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 17:24:08,356 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 17:24:08,930 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 17:24:09,453 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 17:24:10,027 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:10,885 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:24:11,668 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:24:12,154 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:24:12,599 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 17:24:12,999 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:24:13,437 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:24:13,837 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 17:24:14,262 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 17:24:15,119 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:24:15,533 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 17:24:16,423 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 17:24:16,917 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:17,424 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:17,898 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:24:18,386 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:18,844 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:24:19,424 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:19,938 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:20,630 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:21,231 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 17:24:21,838 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 17:24:22,337 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 17:24:22,917 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 17:24:23,463 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:24,276 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:24,905 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:26,261 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 17:24:27,416 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:24:28,174 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 17:24:28,964 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:24:29,517 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 17:24:30,037 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:24:30,485 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:30,956 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:31,412 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:32,191 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:32,655 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:33,166 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:24:33,602 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 17:24:34,094 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:34,554 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:35,324 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:37,400 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 17:24:38,680 WARN L202 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-23 17:24:41,452 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 17:24:43,186 WARN L202 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 17:24:46,229 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 17:24:48,351 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:48,969 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:49,973 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-23 17:24:50,891 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2021-02-23 17:24:51,748 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:24:52,175 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 17:24:53,769 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:24:54,172 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 17:24:55,288 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 17:24:55,710 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:24:56,146 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:24:56,988 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 17:24:58,145 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 17:24:58,729 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 17:24:59,415 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 17:25:00,410 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 17:25:01,703 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 17:25:02,648 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 17:25:03,846 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-23 17:25:04,807 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 17:25:06,634 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-23 17:25:07,475 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 17:25:08,873 WARN L202 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-23 17:25:09,869 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 17:25:11,326 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 17:25:12,179 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 17:25:14,884 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-23 17:25:15,692 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 17:25:17,848 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 17:25:19,232 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 17:25:19,942 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 17:25:20,467 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 17:25:20,921 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 17:25:21,345 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 17:25:21,838 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 17:25:22,347 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 17:25:23,092 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 17:25:27,519 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-02-23 17:25:28,850 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 17:25:31,060 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 17:25:31,801 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 17:25:32,304 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 17:25:33,218 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-23 17:25:50,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:25:50,111 INFO L93 Difference]: Finished difference Result 9600 states and 12270 transitions. [2021-02-23 17:25:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 629 states. [2021-02-23 17:25:50,113 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 308 [2021-02-23 17:25:50,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:25:50,165 INFO L225 Difference]: With dead ends: 9600 [2021-02-23 17:25:50,165 INFO L226 Difference]: Without dead ends: 7452 [2021-02-23 17:25:50,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 199 SyntacticMatches, 5 SemanticMatches, 682 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216801 ImplicationChecksByTransitivity, 77.9s TimeCoverageRelationStatistics Valid=19967, Invalid=447205, Unknown=0, NotChecked=0, Total=467172 [2021-02-23 17:25:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7452 states. [2021-02-23 17:25:53,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7452 to 4754. [2021-02-23 17:25:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4754 states. [2021-02-23 17:25:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 5336 transitions. [2021-02-23 17:25:53,392 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 5336 transitions. Word has length 308 [2021-02-23 17:25:53,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:25:53,393 INFO L480 AbstractCegarLoop]: Abstraction has 4754 states and 5336 transitions. [2021-02-23 17:25:53,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 56 states. [2021-02-23 17:25:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 5336 transitions. [2021-02-23 17:25:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-02-23 17:25:53,411 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:25:53,411 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:53,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 17:25:53,412 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:25:53,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:25:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 2056620729, now seen corresponding path program 1 times [2021-02-23 17:25:53,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:25:53,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117152118] [2021-02-23 17:25:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:25:53,828 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-02-23 17:25:53,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:53,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-02-23 17:25:54,143 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-02-23 17:25:54,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:54,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-02-23 17:25:54,457 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-02-23 17:25:54,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:54,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-02-23 17:25:54,771 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-02-23 17:25:54,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:54,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-02-23 17:25:55,162 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2021-02-23 17:25:55,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:55,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-02-23 17:25:55,568 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2021-02-23 17:25:55,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:55,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-02-23 17:25:55,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:55,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:25:55,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:55,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:25:55,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:55,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:25:55,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:55,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:25:56,043 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2021-02-23 17:25:56,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:56,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-02-23 17:25:56,456 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2021-02-23 17:25:56,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:56,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-02-23 17:25:56,854 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2021-02-23 17:25:56,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:56,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-23 17:25:57,239 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-23 17:25:57,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:57,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-02-23 17:25:57,639 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2021-02-23 17:25:57,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:57,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-23 17:25:58,151 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-23 17:25:58,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:58,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-02-23 17:25:58,548 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-23 17:25:58,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:58,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-02-23 17:25:58,939 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-23 17:25:58,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:58,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-02-23 17:25:59,329 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2021-02-23 17:25:59,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:59,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-23 17:25:59,722 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2021-02-23 17:25:59,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:25:59,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-23 17:25:59,729 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-23 17:25:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 17:25:59,968 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 17:26:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 17:26:00,241 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 17:26:00,632 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 17:26:00,632 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 17:26:00,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 17:26:00,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 05:26:00 BoogieIcfgContainer [2021-02-23 17:26:00,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 17:26:00,705 INFO L168 Benchmark]: Toolchain (without parser) took 186455.39 ms. Allocated memory was 153.1 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 128.8 MB in the beginning and 858.3 MB in the end (delta: -729.4 MB). Peak memory consumption was 639.6 MB. Max. memory is 8.0 GB. [2021-02-23 17:26:00,705 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 153.1 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 17:26:00,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.91 ms. Allocated memory is still 153.1 MB. Free memory was 127.7 MB in the beginning and 106.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-23 17:26:00,706 INFO L168 Benchmark]: Boogie Preprocessor took 105.15 ms. Allocated memory is still 153.1 MB. Free memory was 106.4 MB in the beginning and 133.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. [2021-02-23 17:26:00,706 INFO L168 Benchmark]: RCFGBuilder took 1310.63 ms. Allocated memory is still 153.1 MB. Free memory was 133.7 MB in the beginning and 74.5 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.7 MB. Max. memory is 8.0 GB. [2021-02-23 17:26:00,707 INFO L168 Benchmark]: TraceAbstraction took 184404.90 ms. Allocated memory was 153.1 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 74.5 MB in the beginning and 858.3 MB in the end (delta: -783.7 MB). Peak memory consumption was 584.2 MB. Max. memory is 8.0 GB. [2021-02-23 17:26:00,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 153.1 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 610.91 ms. Allocated memory is still 153.1 MB. Free memory was 127.7 MB in the beginning and 106.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 105.15 ms. Allocated memory is still 153.1 MB. Free memory was 106.4 MB in the beginning and 133.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1310.63 ms. Allocated memory is still 153.1 MB. Free memory was 133.7 MB in the beginning and 74.5 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 184404.90 ms. Allocated memory was 153.1 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 74.5 MB in the beginning and 858.3 MB in the end (delta: -783.7 MB). Peak memory consumption was 584.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 852]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L53] int pumpRunning = 0; [L54] int systemActive = 1; [L500] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L699] int switchedOnBeforeTS ; [L748] int cleanupTimeShifts = 4; [L892] int waterLevel = 1; [L893] int methaneLevelCritical = 0; [L825] int retValue_acc ; [L826] int tmp ; [L830] FCALL select_helpers() [L831] FCALL select_features() [L832] CALL, EXPR valid_product() [L883] int retValue_acc ; [L886] retValue_acc = 1 [L887] return (retValue_acc); [L832] RET, EXPR valid_product() [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L836] FCALL setup() [L837] CALL runTest() [L815] CALL __utac_acc__Specification5_spec__1() [L704] switchedOnBeforeTS = 0 [L815] RET __utac_acc__Specification5_spec__1() [L816] CALL test() [L263] int splverifierCounter ; [L264] int tmp ; [L265] int tmp___0 ; [L266] int tmp___1 ; [L267] int tmp___2 ; [L270] splverifierCounter = 0 [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp) [L284] CALL waterRise() [L910] COND TRUE waterLevel < 2 [L911] waterLevel = waterLevel + 1 [L284] RET waterRise() [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___2)) [L308] tmp___1 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___1)) [L319] CALL timeShift() [L63] CALL __utac_acc__Specification5_spec__2() [L713] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L713] RET, EXPR isPumpRunning() [L713] switchedOnBeforeTS = isPumpRunning() [L63] RET __utac_acc__Specification5_spec__2() [L65] COND FALSE !(\read(pumpRunning)) [L72] COND TRUE \read(systemActive) [L74] CALL processEnvironment() [L120] int tmp ; [L123] COND FALSE !(\read(pumpRunning)) [L138] CALL processEnvironment__wrappee__highWaterSensor() [L94] int tmp ; [L97] COND TRUE ! pumpRunning [L99] CALL, EXPR isHighWaterLevel() [L217] int retValue_acc ; [L218] int tmp ; [L219] int tmp___0 ; [L223] CALL, EXPR isHighWaterSensorDry() [L972] int retValue_acc ; [L975] COND FALSE !(waterLevel < 2) [L979] retValue_acc = 0 [L980] return (retValue_acc); [L223] RET, EXPR isHighWaterSensorDry() [L223] tmp = isHighWaterSensorDry() [L225] COND FALSE !(\read(tmp)) [L228] tmp___0 = 1 [L230] retValue_acc = tmp___0 [L231] return (retValue_acc); [L99] RET, EXPR isHighWaterLevel() [L99] tmp = isHighWaterLevel() [L101] COND TRUE \read(tmp) [L103] CALL activatePump() [L148] pumpRunning = 1 [L103] RET activatePump() [L138] RET processEnvironment__wrappee__highWaterSensor() [L74] RET processEnvironment() [L80] CALL __utac_acc__Specification5_spec__3() [L719] int tmp ; [L720] int tmp___0 ; [L724] CALL, EXPR getWaterLevel() [L963] int retValue_acc ; [L966] retValue_acc = waterLevel [L967] return (retValue_acc); [L724] RET, EXPR getWaterLevel() [L724] tmp = getWaterLevel() [L726] COND FALSE !(tmp != 2) [L80] RET __utac_acc__Specification5_spec__3() [L319] RET timeShift() [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND FALSE !(\read(tmp)) [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___2)) [L308] tmp___1 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___1)) [L319] CALL timeShift() [L63] CALL __utac_acc__Specification5_spec__2() [L713] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L713] RET, EXPR isPumpRunning() [L713] switchedOnBeforeTS = isPumpRunning() [L63] RET __utac_acc__Specification5_spec__2() [L65] COND TRUE \read(pumpRunning) [L67] CALL lowerWaterLevel() [L898] COND TRUE waterLevel > 0 [L899] waterLevel = waterLevel - 1 [L67] RET lowerWaterLevel() [L72] COND TRUE \read(systemActive) [L74] CALL processEnvironment() [L120] int tmp ; [L123] COND TRUE \read(pumpRunning) [L125] CALL, EXPR isMethaneAlarm() [L161] int retValue_acc ; [L165] CALL, EXPR isMethaneLevelCritical() [L931] int retValue_acc ; [L934] retValue_acc = methaneLevelCritical [L935] return (retValue_acc); [L165] RET, EXPR isMethaneLevelCritical() [L165] retValue_acc = isMethaneLevelCritical() [L167] return (retValue_acc); [L125] RET, EXPR isMethaneAlarm() [L125] tmp = isMethaneAlarm() [L127] COND FALSE !(\read(tmp)) [L133] CALL processEnvironment__wrappee__highWaterSensor() [L94] int tmp ; [L97] COND FALSE !(! pumpRunning) [L112] FCALL processEnvironment__wrappee__base() [L133] RET processEnvironment__wrappee__highWaterSensor() [L74] RET processEnvironment() [L80] CALL __utac_acc__Specification5_spec__3() [L719] int tmp ; [L720] int tmp___0 ; [L724] CALL, EXPR getWaterLevel() [L963] int retValue_acc ; [L966] retValue_acc = waterLevel [L967] return (retValue_acc); [L724] RET, EXPR getWaterLevel() [L724] tmp = getWaterLevel() [L726] COND FALSE !(tmp != 2) [L80] RET __utac_acc__Specification5_spec__3() [L319] RET timeShift() [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND FALSE !(\read(tmp)) [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___2)) [L308] tmp___1 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___1)) [L319] CALL timeShift() [L63] CALL __utac_acc__Specification5_spec__2() [L713] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L713] RET, EXPR isPumpRunning() [L713] switchedOnBeforeTS = isPumpRunning() [L63] RET __utac_acc__Specification5_spec__2() [L65] COND TRUE \read(pumpRunning) [L67] CALL lowerWaterLevel() [L898] COND TRUE waterLevel > 0 [L899] waterLevel = waterLevel - 1 [L67] RET lowerWaterLevel() [L72] COND TRUE \read(systemActive) [L74] CALL processEnvironment() [L120] int tmp ; [L123] COND TRUE \read(pumpRunning) [L125] CALL, EXPR isMethaneAlarm() [L161] int retValue_acc ; [L165] CALL, EXPR isMethaneLevelCritical() [L931] int retValue_acc ; [L934] retValue_acc = methaneLevelCritical [L935] return (retValue_acc); [L165] RET, EXPR isMethaneLevelCritical() [L165] retValue_acc = isMethaneLevelCritical() [L167] return (retValue_acc); [L125] RET, EXPR isMethaneAlarm() [L125] tmp = isMethaneAlarm() [L127] COND TRUE \read(tmp) [L129] CALL deactivatePump() [L156] pumpRunning = 0 [L129] RET deactivatePump() [L74] RET processEnvironment() [L80] CALL __utac_acc__Specification5_spec__3() [L719] int tmp ; [L720] int tmp___0 ; [L724] CALL, EXPR getWaterLevel() [L963] int retValue_acc ; [L966] retValue_acc = waterLevel [L967] return (retValue_acc); [L724] RET, EXPR getWaterLevel() [L724] tmp = getWaterLevel() [L726] COND FALSE !(tmp != 2) [L80] RET __utac_acc__Specification5_spec__3() [L319] RET timeShift() [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp) [L284] CALL waterRise() [L910] COND FALSE !(waterLevel < 2) [L284] RET waterRise() [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___2)) [L308] tmp___1 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___1)) [L319] CALL timeShift() [L63] CALL __utac_acc__Specification5_spec__2() [L713] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L713] RET, EXPR isPumpRunning() [L713] switchedOnBeforeTS = isPumpRunning() [L63] RET __utac_acc__Specification5_spec__2() [L65] COND FALSE !(\read(pumpRunning)) [L72] COND TRUE \read(systemActive) [L74] CALL processEnvironment() [L120] int tmp ; [L123] COND FALSE !(\read(pumpRunning)) [L138] CALL processEnvironment__wrappee__highWaterSensor() [L94] int tmp ; [L97] COND TRUE ! pumpRunning [L99] CALL, EXPR isHighWaterLevel() [L217] int retValue_acc ; [L218] int tmp ; [L219] int tmp___0 ; [L223] CALL, EXPR isHighWaterSensorDry() [L972] int retValue_acc ; [L975] COND FALSE !(waterLevel < 2) [L979] retValue_acc = 0 [L980] return (retValue_acc); [L223] RET, EXPR isHighWaterSensorDry() [L223] tmp = isHighWaterSensorDry() [L225] COND FALSE !(\read(tmp)) [L228] tmp___0 = 1 [L230] retValue_acc = tmp___0 [L231] return (retValue_acc); [L99] RET, EXPR isHighWaterLevel() [L99] tmp = isHighWaterLevel() [L101] COND TRUE \read(tmp) [L103] CALL activatePump() [L148] pumpRunning = 1 [L103] RET activatePump() [L138] RET processEnvironment__wrappee__highWaterSensor() [L74] RET processEnvironment() [L80] CALL __utac_acc__Specification5_spec__3() [L719] int tmp ; [L720] int tmp___0 ; [L724] CALL, EXPR getWaterLevel() [L963] int retValue_acc ; [L966] retValue_acc = waterLevel [L967] return (retValue_acc); [L724] RET, EXPR getWaterLevel() [L724] tmp = getWaterLevel() [L726] COND TRUE tmp != 2 [L728] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L728] RET, EXPR isPumpRunning() [L728] tmp___0 = isPumpRunning() [L730] COND TRUE \read(tmp___0) [L731] COND TRUE ! switchedOnBeforeTS [L733] CALL __automaton_fail() [L852] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 650 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 184.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 159.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3004 SDtfs, 10668 SDslu, 9692 SDs, 0 SdLazy, 30283 SolverSat, 6896 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1337 GetRequests, 467 SyntacticMatches, 8 SemanticMatches, 862 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218457 ImplicationChecksByTransitivity, 103.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4754occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 4353 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...