/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 16:57:32,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 16:57:32,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 16:57:32,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 16:57:32,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 16:57:32,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 16:57:32,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 16:57:32,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 16:57:32,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 16:57:32,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 16:57:32,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 16:57:32,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 16:57:32,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 16:57:32,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 16:57:32,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 16:57:32,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 16:57:32,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 16:57:32,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 16:57:32,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 16:57:32,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 16:57:32,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 16:57:32,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 16:57:32,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 16:57:32,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 16:57:32,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 16:57:32,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 16:57:32,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 16:57:32,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 16:57:32,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 16:57:32,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 16:57:32,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 16:57:32,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 16:57:32,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 16:57:32,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 16:57:32,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 16:57:32,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 16:57:32,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 16:57:32,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 16:57:32,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 16:57:32,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 16:57:32,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 16:57:32,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 16:57:32,848 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 16:57:32,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 16:57:32,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 16:57:32,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 16:57:32,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 16:57:32,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 16:57:32,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 16:57:32,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 16:57:32,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 16:57:32,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 16:57:32,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 16:57:32,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 16:57:32,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 16:57:32,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 16:57:32,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 16:57:32,861 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 16:57:32,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 16:57:32,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 16:57:32,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 16:57:32,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 16:57:32,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 16:57:32,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 16:57:32,864 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 16:57:33,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 16:57:33,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 16:57:33,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 16:57:33,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 16:57:33,382 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 16:57:33,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2021-02-23 16:57:33,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88907324e/b1b12bda0658456d85ef9d917fb49435/FLAGb162340d6 [2021-02-23 16:57:34,364 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 16:57:34,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2021-02-23 16:57:34,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88907324e/b1b12bda0658456d85ef9d917fb49435/FLAGb162340d6 [2021-02-23 16:57:34,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88907324e/b1b12bda0658456d85ef9d917fb49435 [2021-02-23 16:57:34,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 16:57:34,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 16:57:34,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 16:57:34,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 16:57:34,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 16:57:34,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:57:34" (1/1) ... [2021-02-23 16:57:34,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d8390e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:34, skipping insertion in model container [2021-02-23 16:57:34,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:57:34" (1/1) ... [2021-02-23 16:57:34,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 16:57:34,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 16:57:35,038 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_spec4_product37.cil.c[6374,6387] [2021-02-23 16:57:35,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:57:35,245 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 16:57:35,356 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_spec4_product37.cil.c[6374,6387] [2021-02-23 16:57:35,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:57:35,470 INFO L208 MainTranslator]: Completed translation [2021-02-23 16:57:35,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35 WrapperNode [2021-02-23 16:57:35,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 16:57:35,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 16:57:35,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 16:57:35,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 16:57:35,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (1/1) ... [2021-02-23 16:57:35,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (1/1) ... [2021-02-23 16:57:35,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (1/1) ... [2021-02-23 16:57:35,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (1/1) ... [2021-02-23 16:57:35,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (1/1) ... [2021-02-23 16:57:35,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (1/1) ... [2021-02-23 16:57:35,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (1/1) ... [2021-02-23 16:57:35,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 16:57:35,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 16:57:35,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 16:57:35,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 16:57:35,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 16:57:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 16:57:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 16:57:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 16:57:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 16:57:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 16:57:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 16:57:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 16:57:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 16:57:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 16:57:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 16:57:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 16:57:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 16:57:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 16:57:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 16:57:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 16:57:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 16:57:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 16:57:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 16:57:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-23 16:57:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 16:57:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 16:57:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 16:57:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 16:57:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 16:57:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 16:57:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 16:57:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 16:57:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 16:57:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 16:57:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 16:57:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 16:57:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-23 16:57:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 16:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 16:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 16:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 16:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 16:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 16:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2021-02-23 16:57:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 16:57:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 16:57:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 16:57:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 16:57:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 16:57:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 16:57:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 16:57:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 16:57:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 16:57:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 16:57:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 16:57:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 16:57:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 16:57:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 16:57:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 16:57:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 16:57:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 16:57:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 16:57:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-23 16:57:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 16:57:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 16:57:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 16:57:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 16:57:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2021-02-23 16:57:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 16:57:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 16:57:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-23 16:57:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 16:57:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 16:57:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 16:57:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 16:57:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 16:57:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 16:57:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 16:57:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 16:57:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 16:57:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 16:57:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 16:57:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 16:57:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 16:57:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 16:57:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 16:57:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 16:57:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 16:57:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 16:57:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 16:57:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 16:57:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 16:57:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 16:57:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 16:57:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 16:57:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 16:57:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 16:57:37,494 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 16:57:37,495 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 16:57:37,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:57:37 BoogieIcfgContainer [2021-02-23 16:57:37,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 16:57:37,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 16:57:37,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 16:57:37,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 16:57:37,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 04:57:34" (1/3) ... [2021-02-23 16:57:37,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a5919b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:57:37, skipping insertion in model container [2021-02-23 16:57:37,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:57:35" (2/3) ... [2021-02-23 16:57:37,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a5919b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:57:37, skipping insertion in model container [2021-02-23 16:57:37,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:57:37" (3/3) ... [2021-02-23 16:57:37,516 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2021-02-23 16:57:37,525 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 16:57:37,534 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 16:57:37,568 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 16:57:37,636 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 16:57:37,637 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 16:57:37,642 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 16:57:37,642 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 16:57:37,642 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 16:57:37,643 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 16:57:37,643 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 16:57:37,643 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 16:57:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2021-02-23 16:57:37,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-23 16:57:37,753 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:57:37,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:57:37,755 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:57:37,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:57:37,766 INFO L82 PathProgramCache]: Analyzing trace with hash 723036768, now seen corresponding path program 1 times [2021-02-23 16:57:37,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:57:37,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014814160] [2021-02-23 16:57:37,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:57:37,917 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:57:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:38,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:38,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:38,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:38,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:38,856 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:57:38,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:57:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:38,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:38,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:57:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:39,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:39,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:57:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:39,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:39,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:39,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:57:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:39,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:39,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:39,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:57:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:39,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:39,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:39,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 16:57:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:39,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:39,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-23 16:57:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:39,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:39,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:57:39,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014814160] [2021-02-23 16:57:39,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:57:39,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 16:57:39,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944303157] [2021-02-23 16:57:39,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 16:57:39,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:57:39,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 16:57:39,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 16:57:39,114 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2021-02-23 16:57:41,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:57:41,179 INFO L93 Difference]: Finished difference Result 483 states and 572 transitions. [2021-02-23 16:57:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 16:57:41,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-02-23 16:57:41,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:57:41,201 INFO L225 Difference]: With dead ends: 483 [2021-02-23 16:57:41,202 INFO L226 Difference]: Without dead ends: 301 [2021-02-23 16:57:41,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 16:57:41,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-02-23 16:57:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 260. [2021-02-23 16:57:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2021-02-23 16:57:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 281 transitions. [2021-02-23 16:57:41,402 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 281 transitions. Word has length 147 [2021-02-23 16:57:41,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:57:41,403 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 281 transitions. [2021-02-23 16:57:41,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 16:57:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 281 transitions. [2021-02-23 16:57:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-23 16:57:41,412 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:57:41,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:57:41,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 16:57:41,413 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:57:41,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:57:41,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1053539070, now seen corresponding path program 1 times [2021-02-23 16:57:41,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:57:41,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627571759] [2021-02-23 16:57:41,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:57:41,421 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:57:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:41,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:41,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:41,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:41,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:41,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:41,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:42,040 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:57:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:57:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:42,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:42,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:42,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:57:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:42,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:42,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:42,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:57:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:42,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:42,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:42,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:57:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:42,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:42,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:42,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:57:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:42,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:42,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:42,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 16:57:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:42,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:42,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:42,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-23 16:57:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:42,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:42,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:57:42,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627571759] [2021-02-23 16:57:42,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:57:42,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 16:57:42,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98950015] [2021-02-23 16:57:42,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 16:57:42,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:57:42,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 16:57:42,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 16:57:42,164 INFO L87 Difference]: Start difference. First operand 260 states and 281 transitions. Second operand 4 states. [2021-02-23 16:57:43,070 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:57:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:57:44,365 INFO L93 Difference]: Finished difference Result 399 states and 446 transitions. [2021-02-23 16:57:44,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 16:57:44,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-02-23 16:57:44,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:57:44,371 INFO L225 Difference]: With dead ends: 399 [2021-02-23 16:57:44,372 INFO L226 Difference]: Without dead ends: 284 [2021-02-23 16:57:44,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 16:57:44,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-23 16:57:44,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 250. [2021-02-23 16:57:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-23 16:57:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 268 transitions. [2021-02-23 16:57:44,490 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 268 transitions. Word has length 148 [2021-02-23 16:57:44,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:57:44,491 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 268 transitions. [2021-02-23 16:57:44,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 16:57:44,491 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 268 transitions. [2021-02-23 16:57:44,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-02-23 16:57:44,493 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:57:44,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:57:44,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 16:57:44,494 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:57:44,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:57:44,495 INFO L82 PathProgramCache]: Analyzing trace with hash -172280109, now seen corresponding path program 1 times [2021-02-23 16:57:44,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:57:44,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139756364] [2021-02-23 16:57:44,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:57:44,500 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:57:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:44,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:44,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:44,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:44,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:44,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:44,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:44,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:44,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:57:44,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:44,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:45,257 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:57:45,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:57:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:45,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:45,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 16:57:45,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:57:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:45,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:45,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:57:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:45,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:45,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:57:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:45,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:45,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:57:45,497 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 16:57:45,501 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 16:57:45,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:57:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:45,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:45,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-23 16:57:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:45,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:45,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-02-23 16:57:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:45,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:45,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:57:45,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139756364] [2021-02-23 16:57:45,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:57:45,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 16:57:45,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801037416] [2021-02-23 16:57:45,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 16:57:45,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:57:45,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 16:57:45,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-23 16:57:45,610 INFO L87 Difference]: Start difference. First operand 250 states and 268 transitions. Second operand 9 states. [2021-02-23 16:57:46,348 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:57:46,870 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:57:47,254 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:57:47,656 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:57:48,031 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:57:48,450 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:57:50,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:57:50,411 INFO L93 Difference]: Finished difference Result 419 states and 471 transitions. [2021-02-23 16:57:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 16:57:50,412 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2021-02-23 16:57:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:57:50,423 INFO L225 Difference]: With dead ends: 419 [2021-02-23 16:57:50,423 INFO L226 Difference]: Without dead ends: 284 [2021-02-23 16:57:50,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-02-23 16:57:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-23 16:57:50,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 250. [2021-02-23 16:57:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-23 16:57:50,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 267 transitions. [2021-02-23 16:57:50,578 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 267 transitions. Word has length 157 [2021-02-23 16:57:50,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:57:50,579 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 267 transitions. [2021-02-23 16:57:50,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 16:57:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 267 transitions. [2021-02-23 16:57:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-23 16:57:50,581 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:57:50,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:57:50,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 16:57:50,583 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:57:50,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:57:50,583 INFO L82 PathProgramCache]: Analyzing trace with hash -518504920, now seen corresponding path program 1 times [2021-02-23 16:57:50,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:57:50,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125916445] [2021-02-23 16:57:50,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:57:50,588 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:57:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:50,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:50,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:50,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:50,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:50,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:50,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:50,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:50,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:50,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:50,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:50,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:50,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,061 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:57:51,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:57:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:51,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:57:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:57:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:57:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:57:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-23 16:57:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:51,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:57:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:51,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:57:51,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:57:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:57:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-23 16:57:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:51,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:51,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:57:51,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125916445] [2021-02-23 16:57:51,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:57:51,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 16:57:51,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060051930] [2021-02-23 16:57:51,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 16:57:51,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:57:51,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 16:57:51,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 16:57:51,285 INFO L87 Difference]: Start difference. First operand 250 states and 267 transitions. Second operand 6 states. [2021-02-23 16:57:51,994 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:57:53,873 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:57:54,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:57:54,871 INFO L93 Difference]: Finished difference Result 550 states and 626 transitions. [2021-02-23 16:57:54,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 16:57:54,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2021-02-23 16:57:54,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:57:54,879 INFO L225 Difference]: With dead ends: 550 [2021-02-23 16:57:54,880 INFO L226 Difference]: Without dead ends: 415 [2021-02-23 16:57:54,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-02-23 16:57:54,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-02-23 16:57:55,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 356. [2021-02-23 16:57:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2021-02-23 16:57:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 382 transitions. [2021-02-23 16:57:55,051 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 382 transitions. Word has length 170 [2021-02-23 16:57:55,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:57:55,052 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 382 transitions. [2021-02-23 16:57:55,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 16:57:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 382 transitions. [2021-02-23 16:57:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-02-23 16:57:55,055 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:57:55,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:57:55,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 16:57:55,056 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:57:55,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:57:55,057 INFO L82 PathProgramCache]: Analyzing trace with hash -248296200, now seen corresponding path program 1 times [2021-02-23 16:57:55,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:57:55,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497496729] [2021-02-23 16:57:55,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:57:55,060 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:57:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:55,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:55,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:55,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:55,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:57:55,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:57:55,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:57:55,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:57:55,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:57:55,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:57:55,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,579 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:57:55,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:57:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 16:57:55,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:57:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:57:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:57:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:57:55,683 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 16:57:55,684 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 16:57:55,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:57:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-23 16:57:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:57:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:57:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:57:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:57:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-02-23 16:57:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:55,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:57:55,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-02-23 16:57:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:57:55,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:57:55,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:57:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:57:55,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497496729] [2021-02-23 16:57:55,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:57:55,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 16:57:55,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931267934] [2021-02-23 16:57:55,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 16:57:55,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:57:55,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 16:57:55,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-02-23 16:57:55,869 INFO L87 Difference]: Start difference. First operand 356 states and 382 transitions. Second operand 14 states. [2021-02-23 16:57:56,592 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:57:57,157 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:57:57,592 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:57:58,035 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:57:58,469 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:57:58,875 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:57:59,785 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:58:01,481 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:58:01,922 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:58:02,370 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:58:02,798 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:58:03,237 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:58:03,650 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:58:04,063 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:58:04,529 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:58:04,997 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:58:05,452 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:58:07,585 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:58:07,998 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:58:08,557 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:58:09,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:58:09,568 INFO L93 Difference]: Finished difference Result 1045 states and 1244 transitions. [2021-02-23 16:58:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-23 16:58:09,569 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 194 [2021-02-23 16:58:09,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:58:09,576 INFO L225 Difference]: With dead ends: 1045 [2021-02-23 16:58:09,577 INFO L226 Difference]: Without dead ends: 804 [2021-02-23 16:58:09,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2021-02-23 16:58:09,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2021-02-23 16:58:09,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 707. [2021-02-23 16:58:09,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2021-02-23 16:58:09,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 786 transitions. [2021-02-23 16:58:09,974 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 786 transitions. Word has length 194 [2021-02-23 16:58:09,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:58:09,975 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 786 transitions. [2021-02-23 16:58:09,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 16:58:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 786 transitions. [2021-02-23 16:58:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-02-23 16:58:09,981 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:58:09,982 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 16:58:09,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 16:58:09,983 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:58:09,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:58:09,985 INFO L82 PathProgramCache]: Analyzing trace with hash 197315743, now seen corresponding path program 1 times [2021-02-23 16:58:09,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:58:09,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543246049] [2021-02-23 16:58:09,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:58:10,049 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 16:58:10,052 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:58:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,468 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:58:10,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:58:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:58:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:58:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:58:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:58:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-02-23 16:58:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 16:58:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:10,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:10,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:10,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:10,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:10,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:58:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:58:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-23 16:58:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-02-23 16:58:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-02-23 16:58:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-02-23 16:58:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:58:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 16:58:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-02-23 16:58:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-02-23 16:58:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:10,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:10,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:58:10,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543246049] [2021-02-23 16:58:10,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:58:10,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 16:58:10,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042485847] [2021-02-23 16:58:10,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 16:58:10,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:58:10,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 16:58:10,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-02-23 16:58:10,922 INFO L87 Difference]: Start difference. First operand 707 states and 786 transitions. Second operand 11 states. [2021-02-23 16:58:12,517 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:58:12,918 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:58:13,371 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:58:13,786 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:58:14,204 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:58:14,603 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:58:16,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:58:16,147 INFO L93 Difference]: Finished difference Result 1409 states and 1627 transitions. [2021-02-23 16:58:16,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 16:58:16,148 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 270 [2021-02-23 16:58:16,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:58:16,160 INFO L225 Difference]: With dead ends: 1409 [2021-02-23 16:58:16,161 INFO L226 Difference]: Without dead ends: 817 [2021-02-23 16:58:16,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-02-23 16:58:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2021-02-23 16:58:16,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 734. [2021-02-23 16:58:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2021-02-23 16:58:16,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 815 transitions. [2021-02-23 16:58:16,702 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 815 transitions. Word has length 270 [2021-02-23 16:58:16,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:58:16,704 INFO L480 AbstractCegarLoop]: Abstraction has 734 states and 815 transitions. [2021-02-23 16:58:16,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 16:58:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 815 transitions. [2021-02-23 16:58:16,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-02-23 16:58:16,719 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:58:16,721 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 16:58:16,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 16:58:16,722 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:58:16,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:58:16,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1347584063, now seen corresponding path program 1 times [2021-02-23 16:58:16,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:58:16,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462446642] [2021-02-23 16:58:16,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:58:16,755 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 16:58:16,757 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:58:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:16,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:16,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:16,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:16,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:16,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:16,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:16,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:16,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:16,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:16,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,338 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:58:17,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:58:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:58:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:58:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:58:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:17,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:17,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:58:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-02-23 16:58:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 16:58:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:17,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:17,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:58:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:17,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:17,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:58:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-23 16:58:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-02-23 16:58:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-02-23 16:58:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-02-23 16:58:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:58:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 16:58:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-02-23 16:58:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-02-23 16:58:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:17,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:17,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:58:17,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462446642] [2021-02-23 16:58:17,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:58:17,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 16:58:17,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113845086] [2021-02-23 16:58:17,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 16:58:17,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:58:17,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 16:58:17,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-02-23 16:58:17,750 INFO L87 Difference]: Start difference. First operand 734 states and 815 transitions. Second operand 14 states. [2021-02-23 16:58:18,560 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:58:18,974 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:58:19,399 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:58:19,801 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:58:20,160 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:58:21,235 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:58:21,632 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:58:22,061 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:58:22,497 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:58:22,909 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:58:24,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:58:24,661 INFO L93 Difference]: Finished difference Result 1315 states and 1517 transitions. [2021-02-23 16:58:24,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 16:58:24,662 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 270 [2021-02-23 16:58:24,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:58:24,668 INFO L225 Difference]: With dead ends: 1315 [2021-02-23 16:58:24,668 INFO L226 Difference]: Without dead ends: 696 [2021-02-23 16:58:24,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2021-02-23 16:58:24,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-02-23 16:58:25,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 634. [2021-02-23 16:58:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2021-02-23 16:58:25,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 697 transitions. [2021-02-23 16:58:25,036 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 697 transitions. Word has length 270 [2021-02-23 16:58:25,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:58:25,036 INFO L480 AbstractCegarLoop]: Abstraction has 634 states and 697 transitions. [2021-02-23 16:58:25,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 16:58:25,036 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 697 transitions. [2021-02-23 16:58:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-02-23 16:58:25,042 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:58:25,043 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 16:58:25,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 16:58:25,043 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:58:25,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:58:25,044 INFO L82 PathProgramCache]: Analyzing trace with hash -969287198, now seen corresponding path program 1 times [2021-02-23 16:58:25,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:58:25,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668736192] [2021-02-23 16:58:25,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:58:25,325 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-23 16:58:25,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:25,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-23 16:58:25,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:25,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:25,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:25,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:25,621 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-23 16:58:25,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:25,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-23 16:58:25,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:25,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:25,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:25,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:25,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:25,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:25,938 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-23 16:58:25,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:25,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-02-23 16:58:25,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:26,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:26,256 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-23 16:58:26,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:26,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-23 16:58:26,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:26,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:26,528 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-23 16:58:26,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:26,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-02-23 16:58:26,776 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-23 16:58:26,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:26,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-23 16:58:27,008 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-23 16:58:27,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-02-23 16:58:27,245 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-23 16:58:27,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-02-23 16:58:27,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,268 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-23 16:58:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:27,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:27,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:27,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:27,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,735 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:58:27,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:58:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:58:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:58:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:58:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:58:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-23 16:58:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-23 16:58:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:27,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:58:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:58:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:58:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-02-23 16:58:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-02-23 16:58:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:58:27,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:27,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:27,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:27,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:58:27,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:28,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:58:28,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:58:28,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:28,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:28,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-02-23 16:58:28,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:28,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:28,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:58:28,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:28,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:28,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:28,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:58:28,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-02-23 16:58:28,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:28,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:28,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:28,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:58:28,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:28,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:58:28,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-02-23 16:58:28,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:28,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:58:28,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:58:28,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:58:28,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:28,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-02-23 16:58:28,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:28,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:28,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:28,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 16:58:28,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:58:28,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:58:28,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:58:28,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:28,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:58:28,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:58:28,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:58:28,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 16:58:28,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:58:28,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:58:28,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:58:28,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:58:28,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:58:28,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 16:58:28,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:58:28,551 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-23 16:58:28,552 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-23 16:58:28,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 16:58:28,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 16:58:28,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:58:28,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:58:28,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:58:28,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-23 16:58:28,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:58:28,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:58:28,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:28,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:58:28,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 16:58:28,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:28,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:28,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:28,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:28,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:28,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:58:28,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 16:58:29,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:29,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:58:29,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 16:58:29,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:29,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:58:29,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 16:58:29,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,171 WARN L141 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-02-23 16:58:29,172 WARN L147 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size 29 [2021-02-23 16:58:29,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-23 16:58:29,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-23 16:58:29,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-23 16:58:29,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:58:29,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:58:29,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-02-23 16:58:29,474 WARN L141 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-02-23 16:58:29,476 WARN L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-02-23 16:58:29,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:58:29,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 16:58:29,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:58:29,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:58:29,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:58:29,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:58:29,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-23 16:58:29,858 WARN L141 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-02-23 16:58:29,858 WARN L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-02-23 16:58:29,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:58:29,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 16:58:29,980 WARN L141 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-02-23 16:58:29,980 WARN L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-02-23 16:58:29,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:29,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 16:58:30,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:58:30,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 16:58:30,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:58:30,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 16:58:30,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 16:58:30,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 16:58:30,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:58:30,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:58:30,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:58:30,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 16:58:30,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 16:58:30,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:58:30,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 16:58:30,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 16:58:30,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:58:30,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 16:58:30,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:58:30,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 16:58:30,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:58:30,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:58:30,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668736192] [2021-02-23 16:58:30,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:58:30,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-02-23 16:58:30,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474170860] [2021-02-23 16:58:30,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-23 16:58:30,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:58:30,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-23 16:58:30,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=2300, Unknown=0, NotChecked=0, Total=2550 [2021-02-23 16:58:30,632 INFO L87 Difference]: Start difference. First operand 634 states and 697 transitions. Second operand 47 states. [2021-02-23 16:58:31,466 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:58:32,364 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:58:32,874 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:58:33,356 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 16:58:33,829 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:58:34,315 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 16:58:34,840 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 16:58:35,331 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 16:58:35,849 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 16:58:36,409 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 16:58:36,936 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 16:58:37,516 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 16:58:38,139 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 16:58:38,775 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 16:58:39,391 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 16:58:40,052 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:58:40,762 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:58:41,952 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:58:42,504 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:58:43,079 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 16:58:43,716 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:58:44,322 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 16:58:44,869 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:58:45,515 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 16:58:46,093 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-23 16:58:46,678 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-23 16:58:47,345 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 16:58:47,940 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 16:58:48,518 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 16:58:49,081 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:58:50,065 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:58:50,666 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:58:51,157 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:58:51,647 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:58:52,202 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:58:52,752 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:58:53,334 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 16:58:53,801 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:58:54,508 WARN L202 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-23 16:58:55,121 WARN L202 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-23 16:58:55,944 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-23 16:58:56,603 WARN L202 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-23 16:58:58,066 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:58:59,403 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:59:00,181 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:59:01,841 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 16:59:02,893 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:59:04,864 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:59:05,416 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:59:05,914 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:59:06,489 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:59:07,016 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:59:07,485 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:59:07,969 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:59:08,996 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:59:12,820 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 16:59:13,441 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 16:59:14,055 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 16:59:14,672 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 16:59:19,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:59:19,088 INFO L93 Difference]: Finished difference Result 1876 states and 2325 transitions. [2021-02-23 16:59:19,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-02-23 16:59:19,089 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 276 [2021-02-23 16:59:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:59:19,104 INFO L225 Difference]: With dead ends: 1876 [2021-02-23 16:59:19,104 INFO L226 Difference]: Without dead ends: 1443 [2021-02-23 16:59:19,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 122 SyntacticMatches, 6 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28017 ImplicationChecksByTransitivity, 39.6s TimeCoverageRelationStatistics Valid=5788, Invalid=62072, Unknown=0, NotChecked=0, Total=67860 [2021-02-23 16:59:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2021-02-23 16:59:19,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 843. [2021-02-23 16:59:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2021-02-23 16:59:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 956 transitions. [2021-02-23 16:59:19,558 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 956 transitions. Word has length 276 [2021-02-23 16:59:19,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:59:19,559 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 956 transitions. [2021-02-23 16:59:19,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2021-02-23 16:59:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 956 transitions. [2021-02-23 16:59:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-02-23 16:59:19,567 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:59:19,568 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-23 16:59:19,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 16:59:19,568 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:59:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:59:19,569 INFO L82 PathProgramCache]: Analyzing trace with hash 708390630, now seen corresponding path program 1 times [2021-02-23 16:59:19,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:59:19,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729608962] [2021-02-23 16:59:19,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:59:19,861 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-23 16:59:19,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:19,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-02-23 16:59:19,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:19,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:59:20,128 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-23 16:59:20,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:20,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-02-23 16:59:20,370 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-23 16:59:20,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:20,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-23 16:59:20,624 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-23 16:59:20,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:20,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-02-23 16:59:20,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:20,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:59:20,884 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-23 16:59:20,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:20,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-23 16:59:21,115 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-23 16:59:21,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-02-23 16:59:21,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:59:21,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:59:21,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:59:21,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:59:21,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:59:21,432 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-23 16:59:21,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-23 16:59:21,699 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-23 16:59:21,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-23 16:59:21,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:59:21,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:59:21,727 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-23 16:59:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 16:59:21,959 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 16:59:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 16:59:22,132 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 16:59:22,436 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 16:59:22,436 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 16:59:22,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 16:59:22,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 04:59:22 BoogieIcfgContainer [2021-02-23 16:59:22,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 16:59:22,484 INFO L168 Benchmark]: Toolchain (without parser) took 107888.32 ms. Allocated memory was 160.4 MB in the beginning and 633.3 MB in the end (delta: 472.9 MB). Free memory was 135.9 MB in the beginning and 490.3 MB in the end (delta: -354.4 MB). Peak memory consumption was 119.0 MB. Max. memory is 8.0 GB. [2021-02-23 16:59:22,484 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 160.4 MB. Free memory was 134.2 MB in the beginning and 134.1 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 16:59:22,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.91 ms. Allocated memory is still 160.4 MB. Free memory was 134.8 MB in the beginning and 113.4 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-23 16:59:22,484 INFO L168 Benchmark]: Boogie Preprocessor took 227.89 ms. Allocated memory is still 160.4 MB. Free memory was 113.4 MB in the beginning and 140.9 MB in the end (delta: -27.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-23 16:59:22,485 INFO L168 Benchmark]: RCFGBuilder took 1798.54 ms. Allocated memory is still 160.4 MB. Free memory was 140.9 MB in the beginning and 96.7 MB in the end (delta: 44.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 8.0 GB. [2021-02-23 16:59:22,485 INFO L168 Benchmark]: TraceAbstraction took 104976.77 ms. Allocated memory was 160.4 MB in the beginning and 633.3 MB in the end (delta: 472.9 MB). Free memory was 96.2 MB in the beginning and 490.3 MB in the end (delta: -394.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 8.0 GB. [2021-02-23 16:59:22,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 160.4 MB. Free memory was 134.2 MB in the beginning and 134.1 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 858.91 ms. Allocated memory is still 160.4 MB. Free memory was 134.8 MB in the beginning and 113.4 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 227.89 ms. Allocated memory is still 160.4 MB. Free memory was 113.4 MB in the beginning and 140.9 MB in the end (delta: -27.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1798.54 ms. Allocated memory is still 160.4 MB. Free memory was 140.9 MB in the beginning and 96.7 MB in the end (delta: 44.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 104976.77 ms. Allocated memory was 160.4 MB in the beginning and 633.3 MB in the end (delta: 472.9 MB). Free memory was 96.2 MB in the beginning and 490.3 MB in the end (delta: -394.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 436]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L336] int cleanupTimeShifts = 4; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L705] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L409] int retValue_acc ; [L410] int tmp ; [L414] FCALL select_helpers() [L415] FCALL select_features() [L416] CALL, EXPR valid_product() [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L416] RET, EXPR valid_product() [L416] tmp = valid_product() [L418] COND TRUE \read(tmp) [L420] FCALL setup() [L421] CALL runTest() [L403] CALL test() [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] splverifierCounter = 0 [L94] COND TRUE 1 [L96] COND TRUE splverifierCounter < 4 [L102] tmp = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp) [L106] CALL waterRise() [L460] COND TRUE waterLevel < 2 [L461] waterLevel = waterLevel + 1 [L106] RET waterRise() [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L137] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L220] int tmp ; [L223] COND FALSE !(\read(pumpRunning)) [L238] CALL processEnvironment__wrappee__highWaterSensor() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L317] int retValue_acc ; [L318] int tmp ; [L319] int tmp___0 ; [L323] CALL, EXPR isHighWaterSensorDry() [L522] int retValue_acc ; [L525] COND FALSE !(waterLevel < 2) [L529] retValue_acc = 0 [L530] return (retValue_acc); [L323] RET, EXPR isHighWaterSensorDry() [L323] tmp = isHighWaterSensorDry() [L325] COND FALSE !(\read(tmp)) [L328] tmp___0 = 1 [L330] retValue_acc = tmp___0 [L331] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND TRUE \read(tmp) [L203] CALL activatePump() [L248] pumpRunning = 1 [L203] RET activatePump() [L238] RET processEnvironment__wrappee__highWaterSensor() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L903] int tmp ; [L904] int tmp___0 ; [L908] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L908] RET, EXPR getWaterLevel() [L908] tmp = getWaterLevel() [L910] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L137] RET timeShift() [L94] COND TRUE 1 [L96] COND TRUE splverifierCounter < 4 [L102] tmp = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp)) [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L137] CALL timeShift() [L165] COND TRUE \read(pumpRunning) [L167] CALL lowerWaterLevel() [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 [L167] RET lowerWaterLevel() [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L220] int tmp ; [L223] COND TRUE \read(pumpRunning) [L225] CALL, EXPR isMethaneAlarm() [L261] int retValue_acc ; [L265] CALL, EXPR isMethaneLevelCritical() [L481] int retValue_acc ; [L484] retValue_acc = methaneLevelCritical [L485] return (retValue_acc); [L265] RET, EXPR isMethaneLevelCritical() [L265] retValue_acc = isMethaneLevelCritical() [L267] return (retValue_acc); [L225] RET, EXPR isMethaneAlarm() [L225] tmp = isMethaneAlarm() [L227] COND FALSE !(\read(tmp)) [L233] CALL processEnvironment__wrappee__highWaterSensor() [L194] int tmp ; [L197] COND FALSE !(! pumpRunning) [L212] FCALL processEnvironment__wrappee__base() [L233] RET processEnvironment__wrappee__highWaterSensor() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L903] int tmp ; [L904] int tmp___0 ; [L908] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L908] RET, EXPR getWaterLevel() [L908] tmp = getWaterLevel() [L910] COND TRUE tmp == 0 [L912] CALL, EXPR isPumpRunning() [L272] int retValue_acc ; [L275] retValue_acc = pumpRunning [L276] return (retValue_acc); [L912] RET, EXPR isPumpRunning() [L912] tmp___0 = isPumpRunning() [L914] COND TRUE \read(tmp___0) [L916] CALL __automaton_fail() [L436] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 627 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 104.8s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 87.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1975 SDtfs, 5092 SDslu, 5715 SDs, 0 SdLazy, 13610 SolverSat, 2133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 681 GetRequests, 318 SyntacticMatches, 7 SemanticMatches, 356 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28361 ImplicationChecksByTransitivity, 60.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=843occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1010 StatesRemovedByMinimization, 8 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...