/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:22:17,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:22:17,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:22:17,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:22:17,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:22:17,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:22:17,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:22:17,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:22:17,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:22:17,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:22:17,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:22:17,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:22:17,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:22:17,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:22:17,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:22:17,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:22:17,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:22:17,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:22:17,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:22:17,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:22:17,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:22:17,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:22:17,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:22:17,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:22:17,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:22:17,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:22:17,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:22:17,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:22:17,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:22:17,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:22:17,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:22:17,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:22:17,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:22:17,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:22:17,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:22:17,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:22:17,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:22:17,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:22:17,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:22:17,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:22:17,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:22:17,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:22:17,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:22:17,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:22:17,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:22:17,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:22:17,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:22:17,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:22:17,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:22:17,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:22:17,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:22:17,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:22:17,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:22:17,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:22:17,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:22:17,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:22:17,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:22:17,661 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:22:17,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:22:17,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:22:17,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:22:17,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:22:17,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:22:17,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:22:17,662 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:22:17,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:22:18,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:22:18,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:22:18,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:22:18,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:22:18,058 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:22:18,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2021-02-22 01:22:18,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719546b1e/64bf8f16767841ca98a889a38b3de498/FLAG90c49cb64 [2021-02-22 01:22:18,813 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:22:18,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2021-02-22 01:22:18,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719546b1e/64bf8f16767841ca98a889a38b3de498/FLAG90c49cb64 [2021-02-22 01:22:19,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719546b1e/64bf8f16767841ca98a889a38b3de498 [2021-02-22 01:22:19,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:22:19,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:22:19,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:22:19,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:22:19,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:22:19,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcf8b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19, skipping insertion in model container [2021-02-22 01:22:19,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:22:19,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:22:19,388 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_product48.cil.c[10968,10981] [2021-02-22 01:22:19,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:22:19,458 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:22:19,509 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_product48.cil.c[10968,10981] [2021-02-22 01:22:19,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:22:19,616 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:22:19,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19 WrapperNode [2021-02-22 01:22:19,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:22:19,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:22:19,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:22:19,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:22:19,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (1/1) ... [2021-02-22 01:22:19,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:22:19,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:22:19,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:22:19,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:22:19,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (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 [2021-02-22 01:22:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:22:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:22:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 01:22:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:22:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 01:22:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 01:22:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 01:22:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 01:22:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 01:22:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 01:22:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 01:22:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 01:22:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 01:22:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 01:22:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-22 01:22:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 01:22:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2021-02-22 01:22:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 01:22:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 01:22:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 01:22:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 01:22:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 01:22:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-22 01:22:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-22 01:22:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-22 01:22:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 01:22:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 01:22:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 01:22:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 01:22:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 01:22:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 01:22:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-22 01:22:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 01:22:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 01:22:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 01:22:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 01:22:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:22:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-22 01:22:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-22 01:22:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-22 01:22:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 01:22:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 01:22:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 01:22:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 01:22:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:22:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:22:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:22:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:22:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:22:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 01:22:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:22:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:22:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 01:22:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:22:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:22:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:22:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:22:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 01:22:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:22:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 01:22:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 01:22:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:22:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 01:22:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 01:22:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 01:22:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 01:22:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 01:22:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 01:22:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-22 01:22:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-22 01:22:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 01:22:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 01:22:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 01:22:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 01:22:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 01:22:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 01:22:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-22 01:22:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 01:22:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 01:22:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 01:22:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 01:22:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-22 01:22:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-22 01:22:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 01:22:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 01:22:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-22 01:22:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-22 01:22:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 01:22:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2021-02-22 01:22:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 01:22:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 01:22:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 01:22:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-22 01:22:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 01:22:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 01:22:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 01:22:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 01:22:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:22:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 01:22:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:22:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:22:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:22:20,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:22:20,931 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 01:22:20,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:22:20 BoogieIcfgContainer [2021-02-22 01:22:20,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:22:20,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:22:20,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:22:20,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:22:20,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:22:19" (1/3) ... [2021-02-22 01:22:20,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f6e67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:22:20, skipping insertion in model container [2021-02-22 01:22:20,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:19" (2/3) ... [2021-02-22 01:22:20,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f6e67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:22:20, skipping insertion in model container [2021-02-22 01:22:20,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:22:20" (3/3) ... [2021-02-22 01:22:20,944 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2021-02-22 01:22:20,951 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:22:20,957 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:22:20,977 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:22:21,004 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:22:21,004 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:22:21,004 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:22:21,004 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:22:21,005 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:22:21,005 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:22:21,005 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:22:21,005 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:22:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2021-02-22 01:22:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-22 01:22:21,051 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:21,052 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] [2021-02-22 01:22:21,052 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:21,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:21,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1086021256, now seen corresponding path program 1 times [2021-02-22 01:22:21,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:21,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466406870] [2021-02-22 01:22:21,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:21,155 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:21,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:21,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:21,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:21,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:21,860 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:21,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:21,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:21,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-22 01:22:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-22 01:22:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-22 01:22:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:22,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:22,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:22,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:22:22,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466406870] [2021-02-22 01:22:22,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:22,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:22:22,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222613265] [2021-02-22 01:22:22,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:22:22,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:22,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:22:22,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:22:22,136 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 4 states. [2021-02-22 01:22:23,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:23,726 INFO L93 Difference]: Finished difference Result 546 states and 642 transitions. [2021-02-22 01:22:23,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-22 01:22:23,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-22 01:22:23,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:23,749 INFO L225 Difference]: With dead ends: 546 [2021-02-22 01:22:23,750 INFO L226 Difference]: Without dead ends: 343 [2021-02-22 01:22:23,756 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 [2021-02-22 01:22:23,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-02-22 01:22:23,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 292. [2021-02-22 01:22:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-22 01:22:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 319 transitions. [2021-02-22 01:22:23,951 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 319 transitions. Word has length 165 [2021-02-22 01:22:23,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:23,952 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 319 transitions. [2021-02-22 01:22:23,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:22:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 319 transitions. [2021-02-22 01:22:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-22 01:22:23,957 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:23,957 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] [2021-02-22 01:22:23,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:22:23,958 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:23,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:23,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1328612636, now seen corresponding path program 1 times [2021-02-22 01:22:23,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:23,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749285603] [2021-02-22 01:22:23,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:23,963 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:24,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,314 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:24,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:22:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-22 01:22:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:22:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:24,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:24,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:22:24,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749285603] [2021-02-22 01:22:24,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:24,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 01:22:24,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329732110] [2021-02-22 01:22:24,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 01:22:24,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:24,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 01:22:24,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 01:22:24,450 INFO L87 Difference]: Start difference. First operand 292 states and 319 transitions. Second operand 5 states. [2021-02-22 01:22:25,112 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:26,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:26,257 INFO L93 Difference]: Finished difference Result 464 states and 525 transitions. [2021-02-22 01:22:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 01:22:26,258 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-22 01:22:26,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:26,263 INFO L225 Difference]: With dead ends: 464 [2021-02-22 01:22:26,263 INFO L226 Difference]: Without dead ends: 332 [2021-02-22 01:22:26,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-22 01:22:26,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-22 01:22:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 282. [2021-02-22 01:22:26,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-02-22 01:22:26,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 306 transitions. [2021-02-22 01:22:26,389 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 306 transitions. Word has length 166 [2021-02-22 01:22:26,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:26,390 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 306 transitions. [2021-02-22 01:22:26,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 01:22:26,390 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 306 transitions. [2021-02-22 01:22:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-22 01:22:26,393 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:26,393 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] [2021-02-22 01:22:26,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:22:26,393 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:26,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:26,394 INFO L82 PathProgramCache]: Analyzing trace with hash 784736613, now seen corresponding path program 1 times [2021-02-22 01:22:26,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:26,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480358608] [2021-02-22 01:22:26,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:26,399 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:26,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:26,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:22:26,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,766 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:26,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:22:26,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:22:26,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:22:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:26,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:22:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-22 01:22:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-22 01:22:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:26,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:26,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:22:26,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480358608] [2021-02-22 01:22:26,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:26,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:22:26,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929525547] [2021-02-22 01:22:26,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:22:26,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:26,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:22:26,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:22:26,967 INFO L87 Difference]: Start difference. First operand 282 states and 306 transitions. Second operand 11 states. [2021-02-22 01:22:27,591 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:22:27,904 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:22:28,214 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:22:28,488 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:22:28,795 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:22:29,090 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:22:30,188 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:32,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:32,614 INFO L93 Difference]: Finished difference Result 777 states and 905 transitions. [2021-02-22 01:22:32,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-22 01:22:32,615 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-22 01:22:32,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:32,622 INFO L225 Difference]: With dead ends: 777 [2021-02-22 01:22:32,622 INFO L226 Difference]: Without dead ends: 615 [2021-02-22 01:22:32,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-22 01:22:32,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-02-22 01:22:32,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 512. [2021-02-22 01:22:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2021-02-22 01:22:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 576 transitions. [2021-02-22 01:22:32,866 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 576 transitions. Word has length 179 [2021-02-22 01:22:32,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:32,866 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 576 transitions. [2021-02-22 01:22:32,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:22:32,867 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 576 transitions. [2021-02-22 01:22:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-22 01:22:32,871 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:32,871 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] [2021-02-22 01:22:32,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:22:32,871 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:32,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:32,872 INFO L82 PathProgramCache]: Analyzing trace with hash 136535620, now seen corresponding path program 1 times [2021-02-22 01:22:32,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:32,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68679253] [2021-02-22 01:22:32,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:32,876 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:32,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:32,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:32,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:32,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:32,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:32,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:32,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:32,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:32,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:32,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,226 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:33,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:33,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 01:22:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:33,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-22 01:22:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-22 01:22:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-22 01:22:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:33,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:33,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:33,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:33,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-22 01:22:33,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68679253] [2021-02-22 01:22:33,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:33,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 01:22:33,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166533334] [2021-02-22 01:22:33,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 01:22:33,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:33,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 01:22:33,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-22 01:22:33,442 INFO L87 Difference]: Start difference. First operand 512 states and 576 transitions. Second operand 10 states. [2021-02-22 01:22:33,951 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:22:34,813 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:22:35,128 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:22:36,302 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:22:36,603 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:22:36,889 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:22:37,256 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:22:37,583 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:22:37,918 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:38,755 INFO L93 Difference]: Finished difference Result 1199 states and 1432 transitions. [2021-02-22 01:22:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-22 01:22:38,756 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-22 01:22:38,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:38,762 INFO L225 Difference]: With dead ends: 1199 [2021-02-22 01:22:38,763 INFO L226 Difference]: Without dead ends: 807 [2021-02-22 01:22:38,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-22 01:22:38,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-02-22 01:22:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 714. [2021-02-22 01:22:39,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2021-02-22 01:22:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 800 transitions. [2021-02-22 01:22:39,068 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 800 transitions. Word has length 184 [2021-02-22 01:22:39,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:39,069 INFO L480 AbstractCegarLoop]: Abstraction has 714 states and 800 transitions. [2021-02-22 01:22:39,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-22 01:22:39,069 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 800 transitions. [2021-02-22 01:22:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-22 01:22:39,073 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:39,074 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:22:39,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 01:22:39,074 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:39,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:39,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1377929483, now seen corresponding path program 1 times [2021-02-22 01:22:39,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:39,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54674267] [2021-02-22 01:22:39,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:39,079 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,405 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:39,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:22:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:22:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:22:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:22:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:39,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:39,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:22:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:22:39,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:22:39,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:22:39,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:22:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:22:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:22:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:22:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-22 01:22:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-22 01:22:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-22 01:22:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:39,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:39,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:22:39,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54674267] [2021-02-22 01:22:39,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:39,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:22:39,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449757530] [2021-02-22 01:22:39,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:22:39,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:39,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:22:39,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:22:39,729 INFO L87 Difference]: Start difference. First operand 714 states and 800 transitions. Second operand 11 states. [2021-02-22 01:22:41,234 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:22:41,537 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:22:41,841 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:22:42,191 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:42,503 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:22:42,788 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:44,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:44,104 INFO L93 Difference]: Finished difference Result 1520 states and 1833 transitions. [2021-02-22 01:22:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 01:22:44,106 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2021-02-22 01:22:44,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:44,112 INFO L225 Difference]: With dead ends: 1520 [2021-02-22 01:22:44,112 INFO L226 Difference]: Without dead ends: 926 [2021-02-22 01:22:44,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-22 01:22:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2021-02-22 01:22:44,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 733. [2021-02-22 01:22:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2021-02-22 01:22:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 820 transitions. [2021-02-22 01:22:44,417 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 820 transitions. Word has length 239 [2021-02-22 01:22:44,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:44,418 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 820 transitions. [2021-02-22 01:22:44,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:22:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 820 transitions. [2021-02-22 01:22:44,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-22 01:22:44,422 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:44,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:22:44,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 01:22:44,423 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:44,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:44,424 INFO L82 PathProgramCache]: Analyzing trace with hash -710183083, now seen corresponding path program 1 times [2021-02-22 01:22:44,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:44,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278818728] [2021-02-22 01:22:44,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:44,427 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:44,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:44,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,700 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:44,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:22:44,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:22:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:22:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:22:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:22:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:22:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:22:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:44,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:44,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:22:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:44,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:44,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:22:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:22:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:22:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-22 01:22:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-22 01:22:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-22 01:22:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:44,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:44,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:22:44,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278818728] [2021-02-22 01:22:44,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:44,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-22 01:22:44,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310400655] [2021-02-22 01:22:44,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-22 01:22:44,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:44,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-22 01:22:44,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-22 01:22:44,986 INFO L87 Difference]: Start difference. First operand 733 states and 820 transitions. Second operand 14 states. [2021-02-22 01:22:45,587 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:22:45,878 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:22:46,161 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:46,445 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:22:46,713 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:47,812 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:48,118 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:22:48,441 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:48,769 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:22:49,054 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:22:50,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:50,521 INFO L93 Difference]: Finished difference Result 1557 states and 1871 transitions. [2021-02-22 01:22:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-22 01:22:50,522 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 239 [2021-02-22 01:22:50,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:50,528 INFO L225 Difference]: With dead ends: 1557 [2021-02-22 01:22:50,529 INFO L226 Difference]: Without dead ends: 944 [2021-02-22 01:22:50,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-22 01:22:50,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2021-02-22 01:22:50,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 745. [2021-02-22 01:22:50,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2021-02-22 01:22:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 832 transitions. [2021-02-22 01:22:50,858 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 832 transitions. Word has length 239 [2021-02-22 01:22:50,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:50,859 INFO L480 AbstractCegarLoop]: Abstraction has 745 states and 832 transitions. [2021-02-22 01:22:50,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-22 01:22:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 832 transitions. [2021-02-22 01:22:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-22 01:22:50,864 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:50,864 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:22:50,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 01:22:50,864 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:50,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:50,865 INFO L82 PathProgramCache]: Analyzing trace with hash 16922194, now seen corresponding path program 1 times [2021-02-22 01:22:50,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:50,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297347723] [2021-02-22 01:22:50,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:50,869 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:50,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:50,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:50,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:50,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:50,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:50,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:50,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:50,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:50,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:50,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:22:50,938 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-22 01:22:50,938 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-22 01:22:50,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:50,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,145 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:51,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:22:51,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:22:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:22:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:22:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:51,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:22:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:22:51,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:22:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:22:51,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:22:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:22:51,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:22:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:22:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:22:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-22 01:22:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-22 01:22:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-22 01:22:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:51,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:51,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:22:51,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297347723] [2021-02-22 01:22:51,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:51,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 01:22:51,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207890488] [2021-02-22 01:22:51,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 01:22:51,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:51,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 01:22:51,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 01:22:51,446 INFO L87 Difference]: Start difference. First operand 745 states and 832 transitions. Second operand 8 states. [2021-02-22 01:22:51,946 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:22:52,661 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:22:55,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:55,650 INFO L93 Difference]: Finished difference Result 2326 states and 2831 transitions. [2021-02-22 01:22:55,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-22 01:22:55,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2021-02-22 01:22:55,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:55,662 INFO L225 Difference]: With dead ends: 2326 [2021-02-22 01:22:55,662 INFO L226 Difference]: Without dead ends: 1701 [2021-02-22 01:22:55,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2021-02-22 01:22:55,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2021-02-22 01:22:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1433. [2021-02-22 01:22:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2021-02-22 01:22:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1629 transitions. [2021-02-22 01:22:56,206 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1629 transitions. Word has length 239 [2021-02-22 01:22:56,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:56,207 INFO L480 AbstractCegarLoop]: Abstraction has 1433 states and 1629 transitions. [2021-02-22 01:22:56,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 01:22:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1629 transitions. [2021-02-22 01:22:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-22 01:22:56,212 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:56,213 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:22:56,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-22 01:22:56,213 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:56,214 INFO L82 PathProgramCache]: Analyzing trace with hash -862826751, now seen corresponding path program 1 times [2021-02-22 01:22:56,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:56,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359977323] [2021-02-22 01:22:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:56,217 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,352 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-22 01:22:56,352 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-22 01:22:56,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,608 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:56,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:22:56,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:22:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:22:56,705 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-22 01:22:56,706 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-22 01:22:56,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:22:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-22 01:22:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-22 01:22:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:22:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:22:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:22:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:22:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:22:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:22:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-22 01:22:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-22 01:22:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:56,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-22 01:22:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:56,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:56,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:22:56,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359977323] [2021-02-22 01:22:56,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:56,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-22 01:22:56,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422030846] [2021-02-22 01:22:56,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-22 01:22:56,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:56,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-22 01:22:56,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-22 01:22:56,886 INFO L87 Difference]: Start difference. First operand 1433 states and 1629 transitions. Second operand 15 states. [2021-02-22 01:22:57,719 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-22 01:22:58,520 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:22:59,792 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-22 01:23:00,355 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-22 01:23:00,718 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:01,033 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:01,602 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-22 01:23:01,894 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:02,224 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:02,525 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:06,079 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-22 01:23:06,693 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:07,012 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:07,437 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:08,885 WARN L202 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-22 01:23:09,427 WARN L202 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-22 01:23:09,989 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-22 01:23:10,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:10,862 INFO L93 Difference]: Finished difference Result 4372 states and 5345 transitions. [2021-02-22 01:23:10,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-22 01:23:10,863 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2021-02-22 01:23:10,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:10,882 INFO L225 Difference]: With dead ends: 4372 [2021-02-22 01:23:10,882 INFO L226 Difference]: Without dead ends: 3340 [2021-02-22 01:23:10,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=829, Invalid=3331, Unknown=0, NotChecked=0, Total=4160 [2021-02-22 01:23:10,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2021-02-22 01:23:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2630. [2021-02-22 01:23:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2630 states. [2021-02-22 01:23:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 2970 transitions. [2021-02-22 01:23:12,237 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 2970 transitions. Word has length 244 [2021-02-22 01:23:12,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:12,237 INFO L480 AbstractCegarLoop]: Abstraction has 2630 states and 2970 transitions. [2021-02-22 01:23:12,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-22 01:23:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 2970 transitions. [2021-02-22 01:23:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-02-22 01:23:12,246 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:12,246 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:23:12,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-22 01:23:12,247 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:12,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:12,247 INFO L82 PathProgramCache]: Analyzing trace with hash -283095070, now seen corresponding path program 1 times [2021-02-22 01:23:12,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:12,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201959127] [2021-02-22 01:23:12,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:12,327 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-22 01:23:12,328 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-22 01:23:12,336 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-22 01:23:12,337 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-22 01:23:12,342 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:23:12,366 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:23:12,372 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:23:12,374 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:23:12,382 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-22 01:23:12,390 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-22 01:23:12,394 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-22 01:23:12,399 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-22 01:23:12,432 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-22 01:23:12,433 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-22 01:23:12,436 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:23:12,438 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:23:12,442 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-22 01:23:12,447 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-22 01:23:12,450 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-22 01:23:12,455 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-22 01:23:12,488 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-22 01:23:12,490 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-22 01:23:12,492 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:23:12,494 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:23:12,496 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-22 01:23:12,497 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-22 01:23:12,499 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-22 01:23:12,500 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-22 01:23:12,501 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:23:12,503 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:23:12,505 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:23:12,507 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:23:12,509 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-22 01:23:12,510 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-22 01:23:12,512 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-22 01:23:12,513 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-22 01:23:12,514 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:23:12,516 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:23:12,518 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:23:12,520 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:23:12,522 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-22 01:23:12,526 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-22 01:23:12,530 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-22 01:23:12,533 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-22 01:23:12,566 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-02-22 01:23:12,570 INFO L723 QuantifierPusher]: Distributing 9 disjuncts over 3 conjuncts [2021-02-22 01:23:12,576 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:12,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:12,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:12,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-02-22 01:23:12,588 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size 38 [2021-02-22 01:23:12,594 WARN L141 QuantifierPusher]: treesize reduction 17, result has 87.3 percent of original size [2021-02-22 01:23:12,599 WARN L147 QuantifierPusher]: treesize reduction 17, result has 87.3 percent of original size 117 [2021-02-22 01:23:12,601 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-22 01:23:12,602 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-22 01:23:12,604 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-22 01:23:12,604 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-22 01:23:12,606 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:23:12,607 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:23:12,609 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:23:12,611 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:23:12,614 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-22 01:23:12,617 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-22 01:23:12,621 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-22 01:23:12,624 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-22 01:23:12,656 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-22 01:23:12,658 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-22 01:23:12,660 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:23:12,661 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:23:12,661 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 01:23:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:12,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:12,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:12,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:12,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:12,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:12,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:23:12,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:12,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,090 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:13,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-22 01:23:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 01:23:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:13,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:13,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:13,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:13,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-22 01:23:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-22 01:23:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:23:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:23:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-02-22 01:23:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-02-22 01:23:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:13,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:23:13,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:13,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:23:13,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:13,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:23:13,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:13,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:23:13,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:13,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:23:13,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:13,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:23:13,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-22 01:23:13,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-02-22 01:23:13,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:13,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:13,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:23:13,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:23:13,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:13,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:13,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:13,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:13,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:13,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:13,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:13,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:13,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:13,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:13,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:13,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:13,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:23:13,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:23:13,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:13,751 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-22 01:23:13,751 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-22 01:23:13,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:23:13,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:23:13,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:13,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:13,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:13,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:13,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:13,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:13,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:13,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:13,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:13,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:13,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:14,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:14,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:14,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:23:14,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:14,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:14,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:14,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:14,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:23:14,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:23:14,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:23:14,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:23:14,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:14,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:23:14,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:14,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:23:14,357 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-22 01:23:14,357 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-22 01:23:14,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:23:14,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:23:14,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:14,466 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-22 01:23:14,466 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-22 01:23:14,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:14,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:14,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:14,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:14,648 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-22 01:23:14,650 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-22 01:23:14,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:14,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:14,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:14,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:14,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:14,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:23:14,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:23:14,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:14,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 01:23:14,998 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-22 01:23:14,999 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-22 01:23:14,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:15,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:15,103 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-22 01:23:15,104 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-22 01:23:15,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:15,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:15,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:15,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:23:15,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:15,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:15,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:23:15,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:15,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:15,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:15,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:15,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:15,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:23:15,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 01:23:15,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:23:15,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 01:23:15,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:23:15,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:23:15,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:23:15,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 01:23:15,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:23:15,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 01:23:15,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:15,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:23:16,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:23:16,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:16,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:16,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:16,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:16,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:16,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:16,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:16,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:16,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:16,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:16,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:23:16,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:23:16,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:16,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:16,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:16,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:16,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:16,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:16,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:23:16,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:16,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:16,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201959127] [2021-02-22 01:23:16,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:23:16,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-22 01:23:16,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422182437] [2021-02-22 01:23:16,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-22 01:23:16,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:23:16,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-22 01:23:16,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=4819, Unknown=0, NotChecked=0, Total=5256 [2021-02-22 01:23:16,736 INFO L87 Difference]: Start difference. First operand 2630 states and 2970 transitions. Second operand 67 states. [2021-02-22 01:23:17,347 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:17,997 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:18,323 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:23:18,625 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:23:18,941 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:23:19,266 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:23:19,637 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:23:19,962 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:23:20,304 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:23:20,687 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:23:21,033 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:23:21,408 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:23:21,820 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:23:22,279 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:23:22,687 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:23:23,120 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:23:23,815 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:24,449 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:24,804 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:25,182 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:23:25,478 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:25,818 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:26,121 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:26,449 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:23:27,142 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:23:27,434 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:28,236 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:23:28,635 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:23:29,042 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:23:29,422 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:29,807 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:23:30,130 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:23:30,634 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:23:31,046 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:23:31,588 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:23:32,058 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:23:32,517 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:23:32,881 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:23:33,378 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:23:33,799 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:23:34,440 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:23:34,924 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:23:35,981 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:23:36,907 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:37,290 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:23:37,770 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:23:38,308 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:23:38,873 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:23:39,329 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:23:39,729 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:23:40,123 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:23:40,549 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:23:40,900 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:23:41,324 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:23:41,691 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:23:42,364 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:23:42,763 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:23:43,236 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:23:43,551 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:43,890 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:23:44,321 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:23:44,717 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:23:45,378 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:23:45,814 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:23:47,642 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:23:48,656 WARN L202 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:23:49,958 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:23:51,435 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:23:52,107 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:23:52,660 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:23:53,341 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:23:54,034 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:23:54,412 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:23:55,988 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:23:57,007 WARN L202 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-22 01:23:58,346 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-22 01:24:00,109 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-22 01:24:01,929 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:24:03,184 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:03,759 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:04,644 WARN L202 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-22 01:24:05,149 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:24:05,615 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:24:06,489 WARN L202 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2021-02-22 01:24:07,296 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:07,599 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:24:09,116 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:09,427 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:24:10,386 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:10,713 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:11,045 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:11,661 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:12,667 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:24:13,131 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:24:13,685 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:24:14,433 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:24:15,520 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:24:16,266 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:24:17,163 WARN L202 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:24:17,899 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:24:19,381 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-22 01:24:20,052 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:24:21,173 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:24:21,993 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:24:23,203 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:24:23,842 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:24:26,151 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-22 01:24:26,744 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:24:28,621 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:24:29,713 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:24:30,280 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:24:30,774 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:24:31,106 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:31,424 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:31,802 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:24:32,143 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:24:32,744 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:24:38,386 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-02-22 01:24:44,963 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-22 01:24:56,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:24:56,646 INFO L93 Difference]: Finished difference Result 10208 states and 13056 transitions. [2021-02-22 01:24:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2021-02-22 01:24:56,647 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 330 [2021-02-22 01:24:56,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:24:56,699 INFO L225 Difference]: With dead ends: 10208 [2021-02-22 01:24:56,699 INFO L226 Difference]: Without dead ends: 7964 [2021-02-22 01:24:56,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 986 GetRequests, 223 SyntacticMatches, 6 SemanticMatches, 757 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268507 ImplicationChecksByTransitivity, 70.8s TimeCoverageRelationStatistics Valid=23432, Invalid=551890, Unknown=0, NotChecked=0, Total=575322 [2021-02-22 01:24:56,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-02-22 01:24:59,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 5000. [2021-02-22 01:24:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5000 states. [2021-02-22 01:24:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 5608 transitions. [2021-02-22 01:24:59,607 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 5608 transitions. Word has length 330 [2021-02-22 01:24:59,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:24:59,608 INFO L480 AbstractCegarLoop]: Abstraction has 5000 states and 5608 transitions. [2021-02-22 01:24:59,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-22 01:24:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 5608 transitions. [2021-02-22 01:24:59,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-02-22 01:24:59,635 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:24:59,635 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-22 01:24:59,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-22 01:24:59,636 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:24:59,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:24:59,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1907405652, now seen corresponding path program 1 times [2021-02-22 01:24:59,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:24:59,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842207463] [2021-02-22 01:24:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:24:59,742 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-22 01:24:59,747 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-22 01:24:59,750 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-22 01:24:59,752 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-22 01:24:59,792 WARN L141 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size [2021-02-22 01:24:59,793 WARN L147 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size 8 [2021-02-22 01:24:59,796 WARN L141 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size [2021-02-22 01:24:59,798 WARN L147 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size 49 [2021-02-22 01:24:59,801 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-22 01:24:59,804 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-22 01:24:59,806 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-22 01:24:59,808 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-22 01:24:59,857 WARN L141 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size [2021-02-22 01:24:59,861 WARN L147 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size 8 [2021-02-22 01:24:59,863 WARN L141 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size [2021-02-22 01:24:59,867 WARN L147 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size 49 [2021-02-22 01:24:59,869 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-22 01:24:59,874 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-22 01:24:59,877 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-22 01:24:59,879 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-22 01:24:59,928 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-02-22 01:24:59,930 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size 39 [2021-02-22 01:24:59,933 WARN L141 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size [2021-02-22 01:24:59,935 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:24:59,946 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:59,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:24:59,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:59,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 01:24:59,951 WARN L147 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size 87 [2021-02-22 01:24:59,952 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-22 01:24:59,954 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-22 01:24:59,956 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-22 01:24:59,957 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-22 01:25:00,006 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-02-22 01:25:00,010 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size 39 [2021-02-22 01:25:00,013 WARN L141 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size [2021-02-22 01:25:00,014 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:25:00,015 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:25:00,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 01:25:00,019 WARN L147 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size 87 [2021-02-22 01:25:00,021 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-22 01:25:00,025 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-22 01:25:00,028 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-22 01:25:00,030 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-22 01:25:00,089 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size [2021-02-22 01:25:00,090 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-02-22 01:25:00,093 WARN L141 QuantifierPusher]: treesize reduction 21, result has 80.4 percent of original size [2021-02-22 01:25:00,093 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:25:00,100 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:25:00,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-22 01:25:00,104 WARN L147 QuantifierPusher]: treesize reduction 21, result has 80.4 percent of original size 86 [2021-02-22 01:25:00,110 WARN L141 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size [2021-02-22 01:25:00,113 WARN L147 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size 94 [2021-02-22 01:25:00,115 WARN L141 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size [2021-02-22 01:25:00,126 WARN L147 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size 94 [2021-02-22 01:25:00,175 WARN L141 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size [2021-02-22 01:25:00,176 WARN L147 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size 8 [2021-02-22 01:25:00,179 WARN L141 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-02-22 01:25:00,180 WARN L147 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size 43 [2021-02-22 01:25:00,182 WARN L141 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size [2021-02-22 01:25:00,186 WARN L147 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size 94 [2021-02-22 01:25:00,191 WARN L141 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size [2021-02-22 01:25:00,195 WARN L147 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size 94 [2021-02-22 01:25:00,241 WARN L141 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size [2021-02-22 01:25:00,242 WARN L147 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size 8 [2021-02-22 01:25:00,244 WARN L141 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-02-22 01:25:00,246 WARN L147 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size 43 [2021-02-22 01:25:00,248 WARN L141 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size [2021-02-22 01:25:00,251 WARN L147 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size 90 [2021-02-22 01:25:00,253 WARN L141 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size [2021-02-22 01:25:00,258 WARN L147 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size 90 [2021-02-22 01:25:00,301 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size [2021-02-22 01:25:00,302 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-02-22 01:25:00,304 WARN L141 QuantifierPusher]: treesize reduction 21, result has 80.0 percent of original size [2021-02-22 01:25:00,305 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:25:00,306 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:25:00,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 01:25:00,313 WARN L147 QuantifierPusher]: treesize reduction 21, result has 80.0 percent of original size 84 [2021-02-22 01:25:00,314 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-22 01:25:00,318 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-22 01:25:00,321 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-22 01:25:00,323 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-22 01:25:00,381 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-22 01:25:00,383 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-22 01:25:00,385 WARN L141 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-02-22 01:25:00,389 WARN L147 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size 43 [2021-02-22 01:25:00,391 WARN L141 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size [2021-02-22 01:25:00,395 WARN L147 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size 90 [2021-02-22 01:25:00,397 WARN L141 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size [2021-02-22 01:25:00,400 WARN L147 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size 90 [2021-02-22 01:25:00,457 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size [2021-02-22 01:25:00,458 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-02-22 01:25:00,462 WARN L141 QuantifierPusher]: treesize reduction 21, result has 80.0 percent of original size [2021-02-22 01:25:00,464 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:25:00,469 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:25:00,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 01:25:00,472 WARN L147 QuantifierPusher]: treesize reduction 21, result has 80.0 percent of original size 84 [2021-02-22 01:25:00,478 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-22 01:25:00,481 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-22 01:25:00,484 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-22 01:25:00,493 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-22 01:25:00,539 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-22 01:25:00,540 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-22 01:25:00,542 WARN L141 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-02-22 01:25:00,544 WARN L147 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size 43 [2021-02-22 01:25:00,546 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-22 01:25:00,548 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-22 01:25:00,551 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-22 01:25:00,557 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-22 01:25:00,602 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size [2021-02-22 01:25:00,603 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-02-22 01:25:00,608 WARN L141 QuantifierPusher]: treesize reduction 21, result has 80.4 percent of original size [2021-02-22 01:25:00,609 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:25:00,610 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:25:00,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-22 01:25:00,613 WARN L147 QuantifierPusher]: treesize reduction 21, result has 80.4 percent of original size 86 [2021-02-22 01:25:00,615 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-22 01:25:00,618 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-22 01:25:00,620 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-22 01:25:00,622 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-22 01:25:00,662 WARN L141 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-02-22 01:25:00,664 WARN L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-02-22 01:25:00,666 WARN L141 QuantifierPusher]: treesize reduction 12, result has 88.2 percent of original size [2021-02-22 01:25:00,667 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:25:00,668 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:25:00,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 01:25:00,673 WARN L147 QuantifierPusher]: treesize reduction 12, result has 88.2 percent of original size 90 [2021-02-22 01:25:00,675 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-22 01:25:00,678 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-22 01:25:00,680 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-22 01:25:00,683 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-22 01:25:00,726 WARN L141 QuantifierPusher]: treesize reduction 33, result has 19.5 percent of original size [2021-02-22 01:25:00,728 WARN L147 QuantifierPusher]: treesize reduction 33, result has 19.5 percent of original size 8 [2021-02-22 01:25:00,729 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-22 01:25:00,732 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-22 01:25:00,733 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-22 01:25:00,738 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-22 01:25:00,740 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-22 01:25:00,742 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-22 01:25:00,748 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:25:00,749 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:25:00,751 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-22 01:25:00,753 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-22 01:25:00,754 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-22 01:25:00,756 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-22 01:25:00,760 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-22 01:25:00,762 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-22 01:25:00,766 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:25:00,767 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:25:00,768 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-22 01:25:00,770 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-22 01:25:00,772 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-22 01:25:00,774 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-22 01:25:00,776 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-22 01:25:00,778 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-22 01:25:00,823 WARN L141 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-02-22 01:25:00,826 WARN L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-02-22 01:25:00,828 WARN L141 QuantifierPusher]: treesize reduction 12, result has 88.2 percent of original size [2021-02-22 01:25:00,829 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:25:00,830 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:25:00,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:25:00,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 01:25:00,833 WARN L147 QuantifierPusher]: treesize reduction 12, result has 88.2 percent of original size 90 [2021-02-22 01:25:00,836 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-22 01:25:00,839 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-22 01:25:00,840 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-22 01:25:00,842 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-22 01:25:00,848 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:25:00,851 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:25:00,853 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-22 01:25:00,855 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-22 01:25:00,857 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-22 01:25:00,861 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-22 01:25:00,863 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-22 01:25:00,865 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-22 01:25:00,914 WARN L141 QuantifierPusher]: treesize reduction 33, result has 19.5 percent of original size [2021-02-22 01:25:00,918 WARN L147 QuantifierPusher]: treesize reduction 33, result has 19.5 percent of original size 8 [2021-02-22 01:25:00,920 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-22 01:25:00,921 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-22 01:25:00,922 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-22 01:25:00,924 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-22 01:25:00,928 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-22 01:25:00,934 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-22 01:25:00,938 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:25:00,939 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:25:00,940 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-22 01:25:00,942 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-22 01:25:00,942 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 01:25:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 01:25:01,044 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 01:25:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 01:25:01,139 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 01:25:01,488 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 01:25:01,489 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 01:25:01,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-02-22 01:25:01,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 01:25:01 BoogieIcfgContainer [2021-02-22 01:25:01,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 01:25:01,532 INFO L168 Benchmark]: Toolchain (without parser) took 162466.33 ms. Allocated memory was 153.1 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 128.0 MB in the beginning and 537.3 MB in the end (delta: -409.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-02-22 01:25:01,532 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 153.1 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:25:01,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.98 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 105.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:25:01,533 INFO L168 Benchmark]: Boogie Preprocessor took 130.35 ms. Allocated memory is still 153.1 MB. Free memory was 104.9 MB in the beginning and 101.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:25:01,533 INFO L168 Benchmark]: RCFGBuilder took 1184.67 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 101.0 MB in the beginning and 142.4 MB in the end (delta: -41.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:25:01,533 INFO L168 Benchmark]: TraceAbstraction took 160595.36 ms. Allocated memory was 184.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 141.9 MB in the beginning and 537.3 MB in the end (delta: -395.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-02-22 01:25:01,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 153.1 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 537.98 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 105.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 130.35 ms. Allocated memory is still 153.1 MB. Free memory was 104.9 MB in the beginning and 101.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1184.67 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 101.0 MB in the beginning and 142.4 MB in the end (delta: -41.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 160595.36 ms. Allocated memory was 184.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 141.9 MB in the beginning and 537.3 MB in the end (delta: -395.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 412]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L724] int waterLevel = 1; [L725] int methaneLevelCritical = 0; [L818] int cleanupTimeShifts = 4; [L919] int switchedOnBeforeTS ; [L896] int retValue_acc ; [L897] int tmp ; [L901] FCALL select_helpers() [L902] FCALL select_features() [L903] CALL, EXPR valid_product() [L994] int retValue_acc ; [L997] retValue_acc = 1 [L998] return (retValue_acc); [L903] RET, EXPR valid_product() [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L907] FCALL setup() [L908] CALL runTest() [L886] CALL __utac_acc__Specification5_spec__1() [L924] switchedOnBeforeTS = 0 [L886] RET __utac_acc__Specification5_spec__1() [L887] CALL test() [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp) [L445] CALL waterRise() [L742] COND TRUE waterLevel < 2 [L743] waterLevel = waterLevel + 1 [L445] RET waterRise() [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L510] CALL __utac_acc__Specification5_spec__2() [L933] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L933] RET, EXPR isPumpRunning() [L933] switchedOnBeforeTS = isPumpRunning() [L510] RET __utac_acc__Specification5_spec__2() [L512] COND FALSE !(\read(pumpRunning)) [L519] COND TRUE \read(systemActive) [L521] CALL processEnvironment() [L567] int tmp ; [L570] COND FALSE !(\read(pumpRunning)) [L585] CALL processEnvironment__wrappee__methaneQuery() [L541] int tmp ; [L544] COND TRUE ! pumpRunning [L546] CALL, EXPR isHighWaterLevel() [L681] int retValue_acc ; [L682] int tmp ; [L683] int tmp___0 ; [L687] CALL, EXPR isHighWaterSensorDry() [L804] int retValue_acc ; [L807] COND FALSE !(waterLevel < 2) [L811] retValue_acc = 0 [L812] return (retValue_acc); [L687] RET, EXPR isHighWaterSensorDry() [L687] tmp = isHighWaterSensorDry() [L689] COND FALSE !(\read(tmp)) [L692] tmp___0 = 1 [L694] retValue_acc = tmp___0 [L695] return (retValue_acc); [L546] RET, EXPR isHighWaterLevel() [L546] tmp = isHighWaterLevel() [L548] COND TRUE \read(tmp) [L550] CALL activatePump() [L600] int tmp ; [L604] CALL, EXPR isMethaneAlarm() [L625] int retValue_acc ; [L629] CALL, EXPR isMethaneLevelCritical() [L763] int retValue_acc ; [L766] retValue_acc = methaneLevelCritical [L767] return (retValue_acc); [L629] RET, EXPR isMethaneLevelCritical() [L629] retValue_acc = isMethaneLevelCritical() [L631] return (retValue_acc); [L604] RET, EXPR isMethaneAlarm() [L604] tmp = isMethaneAlarm() [L606] COND FALSE !(\read(tmp)) [L610] CALL activatePump__wrappee__highWaterSensor() [L595] pumpRunning = 1 [L610] RET activatePump__wrappee__highWaterSensor() [L550] RET activatePump() [L585] RET processEnvironment__wrappee__methaneQuery() [L521] RET processEnvironment() [L527] CALL __utac_acc__Specification5_spec__3() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR getWaterLevel() [L795] int retValue_acc ; [L798] retValue_acc = waterLevel [L799] return (retValue_acc); [L944] RET, EXPR getWaterLevel() [L944] tmp = getWaterLevel() [L946] COND FALSE !(tmp != 2) [L527] RET __utac_acc__Specification5_spec__3() [L480] RET timeShift() [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L510] CALL __utac_acc__Specification5_spec__2() [L933] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L933] RET, EXPR isPumpRunning() [L933] switchedOnBeforeTS = isPumpRunning() [L510] RET __utac_acc__Specification5_spec__2() [L512] COND TRUE \read(pumpRunning) [L514] CALL lowerWaterLevel() [L730] COND TRUE waterLevel > 0 [L731] waterLevel = waterLevel - 1 [L514] RET lowerWaterLevel() [L519] COND TRUE \read(systemActive) [L521] CALL processEnvironment() [L567] int tmp ; [L570] COND TRUE \read(pumpRunning) [L572] CALL, EXPR isMethaneAlarm() [L625] int retValue_acc ; [L629] CALL, EXPR isMethaneLevelCritical() [L763] int retValue_acc ; [L766] retValue_acc = methaneLevelCritical [L767] return (retValue_acc); [L629] RET, EXPR isMethaneLevelCritical() [L629] retValue_acc = isMethaneLevelCritical() [L631] return (retValue_acc); [L572] RET, EXPR isMethaneAlarm() [L572] tmp = isMethaneAlarm() [L574] COND FALSE !(\read(tmp)) [L580] CALL processEnvironment__wrappee__methaneQuery() [L541] int tmp ; [L544] COND FALSE !(! pumpRunning) [L559] FCALL processEnvironment__wrappee__base() [L580] RET processEnvironment__wrappee__methaneQuery() [L521] RET processEnvironment() [L527] CALL __utac_acc__Specification5_spec__3() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR getWaterLevel() [L795] int retValue_acc ; [L798] retValue_acc = waterLevel [L799] return (retValue_acc); [L944] RET, EXPR getWaterLevel() [L944] tmp = getWaterLevel() [L946] COND FALSE !(tmp != 2) [L527] RET __utac_acc__Specification5_spec__3() [L480] RET timeShift() [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L510] CALL __utac_acc__Specification5_spec__2() [L933] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L933] RET, EXPR isPumpRunning() [L933] switchedOnBeforeTS = isPumpRunning() [L510] RET __utac_acc__Specification5_spec__2() [L512] COND TRUE \read(pumpRunning) [L514] CALL lowerWaterLevel() [L730] COND TRUE waterLevel > 0 [L731] waterLevel = waterLevel - 1 [L514] RET lowerWaterLevel() [L519] COND TRUE \read(systemActive) [L521] CALL processEnvironment() [L567] int tmp ; [L570] COND TRUE \read(pumpRunning) [L572] CALL, EXPR isMethaneAlarm() [L625] int retValue_acc ; [L629] CALL, EXPR isMethaneLevelCritical() [L763] int retValue_acc ; [L766] retValue_acc = methaneLevelCritical [L767] return (retValue_acc); [L629] RET, EXPR isMethaneLevelCritical() [L629] retValue_acc = isMethaneLevelCritical() [L631] return (retValue_acc); [L572] RET, EXPR isMethaneAlarm() [L572] tmp = isMethaneAlarm() [L574] COND TRUE \read(tmp) [L576] CALL deactivatePump() [L620] pumpRunning = 0 [L576] RET deactivatePump() [L521] RET processEnvironment() [L527] CALL __utac_acc__Specification5_spec__3() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR getWaterLevel() [L795] int retValue_acc ; [L798] retValue_acc = waterLevel [L799] return (retValue_acc); [L944] RET, EXPR getWaterLevel() [L944] tmp = getWaterLevel() [L946] COND FALSE !(tmp != 2) [L527] RET __utac_acc__Specification5_spec__3() [L480] RET timeShift() [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp) [L445] CALL waterRise() [L742] COND FALSE !(waterLevel < 2) [L445] RET waterRise() [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L510] CALL __utac_acc__Specification5_spec__2() [L933] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L933] RET, EXPR isPumpRunning() [L933] switchedOnBeforeTS = isPumpRunning() [L510] RET __utac_acc__Specification5_spec__2() [L512] COND FALSE !(\read(pumpRunning)) [L519] COND TRUE \read(systemActive) [L521] CALL processEnvironment() [L567] int tmp ; [L570] COND FALSE !(\read(pumpRunning)) [L585] CALL processEnvironment__wrappee__methaneQuery() [L541] int tmp ; [L544] COND TRUE ! pumpRunning [L546] CALL, EXPR isHighWaterLevel() [L681] int retValue_acc ; [L682] int tmp ; [L683] int tmp___0 ; [L687] CALL, EXPR isHighWaterSensorDry() [L804] int retValue_acc ; [L807] COND FALSE !(waterLevel < 2) [L811] retValue_acc = 0 [L812] return (retValue_acc); [L687] RET, EXPR isHighWaterSensorDry() [L687] tmp = isHighWaterSensorDry() [L689] COND FALSE !(\read(tmp)) [L692] tmp___0 = 1 [L694] retValue_acc = tmp___0 [L695] return (retValue_acc); [L546] RET, EXPR isHighWaterLevel() [L546] tmp = isHighWaterLevel() [L548] COND TRUE \read(tmp) [L550] CALL activatePump() [L600] int tmp ; [L604] CALL, EXPR isMethaneAlarm() [L625] int retValue_acc ; [L629] CALL, EXPR isMethaneLevelCritical() [L763] int retValue_acc ; [L766] retValue_acc = methaneLevelCritical [L767] return (retValue_acc); [L629] RET, EXPR isMethaneLevelCritical() [L629] retValue_acc = isMethaneLevelCritical() [L631] return (retValue_acc); [L604] RET, EXPR isMethaneAlarm() [L604] tmp = isMethaneAlarm() [L606] COND FALSE !(\read(tmp)) [L610] CALL activatePump__wrappee__highWaterSensor() [L595] pumpRunning = 1 [L610] RET activatePump__wrappee__highWaterSensor() [L550] RET activatePump() [L585] RET processEnvironment__wrappee__methaneQuery() [L521] RET processEnvironment() [L527] CALL __utac_acc__Specification5_spec__3() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR getWaterLevel() [L795] int retValue_acc ; [L798] retValue_acc = waterLevel [L799] return (retValue_acc); [L944] RET, EXPR getWaterLevel() [L944] tmp = getWaterLevel() [L946] COND TRUE tmp != 2 [L948] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L948] RET, EXPR isPumpRunning() [L948] tmp___0 = isPumpRunning() [L950] COND TRUE \read(tmp___0) [L951] COND TRUE ! switchedOnBeforeTS [L953] CALL __automaton_fail() [L412] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 659 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 160.4s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 142.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3126 SDtfs, 10911 SDslu, 10244 SDs, 0 SdLazy, 35915 SolverSat, 6923 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1463 GetRequests, 515 SyntacticMatches, 9 SemanticMatches, 939 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270226 ImplicationChecksByTransitivity, 90.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5000occurred 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: 6.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 4631 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...