/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:29:31,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:29:31,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:29:31,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:29:31,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:29:31,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:29:31,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:29:31,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:29:31,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:29:31,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:29:31,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:29:31,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:29:31,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:29:31,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:29:31,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:29:31,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:29:31,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:29:31,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:29:31,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:29:31,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:29:31,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:29:31,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:29:31,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:29:31,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:29:31,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:29:31,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:29:31,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:29:31,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:29:31,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:29:31,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:29:31,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:29:31,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:29:31,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:29:31,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:29:31,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:29:31,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:29:31,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:29:31,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:29:31,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:29:31,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:29:31,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:29:31,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 03:29:31,926 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:29:31,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:29:31,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:29:31,932 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:29:31,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:29:31,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:29:31,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:29:31,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:29:31,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:29:31,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:29:31,935 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:29:31,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:29:31,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:29:31,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:29:31,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:29:31,937 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:29:31,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:29:31,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:29:31,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:29:31,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:29:31,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:29:31,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:29:31,938 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:29:31,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:29:32,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:29:32,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:29:32,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:29:32,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:29:32,406 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:29:32,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product51.cil.c [2021-02-24 03:29:32,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ca464f6/1b31922afeb84da68a3de591b691cfdd/FLAGa80756cfa [2021-02-24 03:29:33,286 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:29:33,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product51.cil.c [2021-02-24 03:29:33,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ca464f6/1b31922afeb84da68a3de591b691cfdd/FLAGa80756cfa [2021-02-24 03:29:33,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ca464f6/1b31922afeb84da68a3de591b691cfdd [2021-02-24 03:29:33,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:29:33,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:29:33,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:29:33,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:29:33,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:29:33,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:33,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2638e787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33, skipping insertion in model container [2021-02-24 03:29:33,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:33,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:29:33,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:29:33,717 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_spec3_product51.cil.c[18465,18478] [2021-02-24 03:29:33,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:29:33,738 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:29:33,833 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_spec3_product51.cil.c[18465,18478] [2021-02-24 03:29:33,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:29:33,896 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:29:33,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33 WrapperNode [2021-02-24 03:29:33,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:29:33,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:29:33,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:29:33,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:29:33,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:33,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:33,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:33,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:33,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:33,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:33,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (1/1) ... [2021-02-24 03:29:34,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:29:34,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:29:34,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:29:34,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:29:34,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (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 [2021-02-24 03:29:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:29:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:29:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:29:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:29:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:29:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:29:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:29:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:29:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:29:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:29:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-24 03:29:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-24 03:29:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:29:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:29:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:29:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:29:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:29:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:29:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:29:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:29:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:29:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:29:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-24 03:29:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-24 03:29:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-24 03:29:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2021-02-24 03:29:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:29:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:29:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:29:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:29:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:29:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:29:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:29:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:29:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:29:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:29:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:29:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:29:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:29:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:29:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:29:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:29:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:29:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:29:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:29:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:29:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:29:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:29:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:29:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:29:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:29:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:29:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:29:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:29:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-24 03:29:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-24 03:29:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-24 03:29:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:29:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:29:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:29:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:29:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:29:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:29:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:29:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2021-02-24 03:29:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:29:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:29:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-24 03:29:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:29:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-24 03:29:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:29:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:29:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:29:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:29:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:29:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:29:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:29:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:29:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:29:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:29:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:29:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:29:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:29:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:29:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:29:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:29:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:29:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:29:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:29:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:29:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:29:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:29:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:29:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:29:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:29:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:29:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:29:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:29:35,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:29:35,518 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:29:35,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:29:35 BoogieIcfgContainer [2021-02-24 03:29:35,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:29:35,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:29:35,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:29:35,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:29:35,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:29:33" (1/3) ... [2021-02-24 03:29:35,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f1f6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:29:35, skipping insertion in model container [2021-02-24 03:29:35,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:33" (2/3) ... [2021-02-24 03:29:35,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f1f6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:29:35, skipping insertion in model container [2021-02-24 03:29:35,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:29:35" (3/3) ... [2021-02-24 03:29:35,531 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product51.cil.c [2021-02-24 03:29:35,538 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:29:35,544 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:29:35,564 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:29:35,589 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:29:35,589 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:29:35,589 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:29:35,589 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:29:35,589 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:29:35,590 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:29:35,590 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:29:35,590 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:29:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states. [2021-02-24 03:29:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-02-24 03:29:35,639 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:29:35,640 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] [2021-02-24 03:29:35,640 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:29:35,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:29:35,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1595657869, now seen corresponding path program 1 times [2021-02-24 03:29:35,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:29:35,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596554486] [2021-02-24 03:29:35,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:29:35,732 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:29:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,482 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:29:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:29:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:29:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:29:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:29:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:29:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:29:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:29:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-24 03:29:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:36,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:36,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:29:36,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596554486] [2021-02-24 03:29:36,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:29:36,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 03:29:36,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905132109] [2021-02-24 03:29:36,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 03:29:36,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:29:36,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 03:29:36,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 03:29:36,730 INFO L87 Difference]: Start difference. First operand 341 states. Second operand 3 states. [2021-02-24 03:29:38,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:29:38,534 INFO L93 Difference]: Finished difference Result 531 states and 629 transitions. [2021-02-24 03:29:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 03:29:38,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2021-02-24 03:29:38,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:29:38,553 INFO L225 Difference]: With dead ends: 531 [2021-02-24 03:29:38,554 INFO L226 Difference]: Without dead ends: 326 [2021-02-24 03:29:38,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 03:29:38,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-02-24 03:29:38,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 283. [2021-02-24 03:29:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-24 03:29:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 308 transitions. [2021-02-24 03:29:38,758 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 308 transitions. Word has length 158 [2021-02-24 03:29:38,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:29:38,761 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 308 transitions. [2021-02-24 03:29:38,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 03:29:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 308 transitions. [2021-02-24 03:29:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-02-24 03:29:38,778 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:29:38,779 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] [2021-02-24 03:29:38,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:29:38,779 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:29:38,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:29:38,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1569915662, now seen corresponding path program 1 times [2021-02-24 03:29:38,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:29:38,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672480146] [2021-02-24 03:29:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:29:38,788 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:29:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:38,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:38,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:38,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:38,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:38,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:38,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,242 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:29:39,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:29:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:39,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:39,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:29:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:39,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:39,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:29:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:39,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:39,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:29:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:39,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:39,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:29:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:39,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:39,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-24 03:29:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:39,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:39,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-24 03:29:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:39,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:39,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-24 03:29:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:39,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:39,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:29:39,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672480146] [2021-02-24 03:29:39,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:29:39,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:29:39,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377488080] [2021-02-24 03:29:39,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:29:39,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:29:39,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:29:39,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:29:39,354 INFO L87 Difference]: Start difference. First operand 283 states and 308 transitions. Second operand 4 states. [2021-02-24 03:29:40,059 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:29:41,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:29:41,306 INFO L93 Difference]: Finished difference Result 441 states and 495 transitions. [2021-02-24 03:29:41,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 03:29:41,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2021-02-24 03:29:41,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:29:41,313 INFO L225 Difference]: With dead ends: 441 [2021-02-24 03:29:41,313 INFO L226 Difference]: Without dead ends: 309 [2021-02-24 03:29:41,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 03:29:41,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-02-24 03:29:41,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 273. [2021-02-24 03:29:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-24 03:29:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2021-02-24 03:29:41,436 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 159 [2021-02-24 03:29:41,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:29:41,436 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2021-02-24 03:29:41,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:29:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2021-02-24 03:29:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-02-24 03:29:41,439 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:29:41,440 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] [2021-02-24 03:29:41,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:29:41,440 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:29:41,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:29:41,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1380705333, now seen corresponding path program 1 times [2021-02-24 03:29:41,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:29:41,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347148897] [2021-02-24 03:29:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:29:41,444 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:29:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:41,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:41,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:41,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:41,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:41,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:29:41,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:29:41,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:29:41,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:41,902 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:29:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:29:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:41,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:41,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:29:41,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:29:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:41,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:41,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:29:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:41,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:41,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:29:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:41,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:41,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:41,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:29:42,013 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:29:42,014 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:29:42,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:29:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:42,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:42,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:29:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:42,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:42,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:42,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-24 03:29:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:42,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:42,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:42,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-24 03:29:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:42,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:42,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:29:42,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347148897] [2021-02-24 03:29:42,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:29:42,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:29:42,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459405267] [2021-02-24 03:29:42,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:29:42,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:29:42,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:29:42,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:29:42,129 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 9 states. [2021-02-24 03:29:42,866 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:29:43,283 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:29:43,622 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:29:44,047 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:29:44,456 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:29:44,826 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:29:45,957 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:29:48,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:29:48,787 INFO L93 Difference]: Finished difference Result 731 states and 838 transitions. [2021-02-24 03:29:48,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 03:29:48,788 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2021-02-24 03:29:48,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:29:48,793 INFO L225 Difference]: With dead ends: 731 [2021-02-24 03:29:48,793 INFO L226 Difference]: Without dead ends: 573 [2021-02-24 03:29:48,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-02-24 03:29:48,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-02-24 03:29:49,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 506. [2021-02-24 03:29:49,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2021-02-24 03:29:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 565 transitions. [2021-02-24 03:29:49,080 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 565 transitions. Word has length 168 [2021-02-24 03:29:49,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:29:49,081 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 565 transitions. [2021-02-24 03:29:49,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:29:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 565 transitions. [2021-02-24 03:29:49,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-02-24 03:29:49,085 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:29:49,085 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] [2021-02-24 03:29:49,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:29:49,086 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:29:49,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:29:49,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1905969023, now seen corresponding path program 1 times [2021-02-24 03:29:49,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:29:49,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276532578] [2021-02-24 03:29:49,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:29:49,090 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:29:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,511 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:29:49,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:29:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:29:49,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:29:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:29:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:29:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:29:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-02-24 03:29:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-02-24 03:29:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-02-24 03:29:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:29:49,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-02-24 03:29:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:29:49,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:29:49,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:29:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:29:49,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276532578] [2021-02-24 03:29:49,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:29:49,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:29:49,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498900443] [2021-02-24 03:29:49,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:29:49,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:29:49,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:29:49,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:29:49,795 INFO L87 Difference]: Start difference. First operand 506 states and 565 transitions. Second operand 9 states. [2021-02-24 03:29:50,521 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:29:52,909 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:29:53,351 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:29:53,806 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:29:54,279 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:29:54,664 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:29:55,082 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:29:55,429 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:29:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:29:56,444 INFO L93 Difference]: Finished difference Result 1367 states and 1638 transitions. [2021-02-24 03:29:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 03:29:56,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2021-02-24 03:29:56,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:29:56,454 INFO L225 Difference]: With dead ends: 1367 [2021-02-24 03:29:56,455 INFO L226 Difference]: Without dead ends: 976 [2021-02-24 03:29:56,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-24 03:29:56,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2021-02-24 03:29:56,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 876. [2021-02-24 03:29:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2021-02-24 03:29:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1002 transitions. [2021-02-24 03:29:56,880 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1002 transitions. Word has length 177 [2021-02-24 03:29:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:29:56,881 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1002 transitions. [2021-02-24 03:29:56,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:29:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1002 transitions. [2021-02-24 03:29:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-02-24 03:29:56,887 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:29:56,887 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] [2021-02-24 03:29:56,887 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:29:56,887 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:29:56,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:29:56,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1566507116, now seen corresponding path program 1 times [2021-02-24 03:29:56,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:29:56,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323418868] [2021-02-24 03:29:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:29:56,892 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:29:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 03:29:56,970 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 03:29:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 03:29:57,046 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 03:29:57,246 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 03:29:57,246 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 03:29:57,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:29:57,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:29:57 BoogieIcfgContainer [2021-02-24 03:29:57,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 03:29:57,272 INFO L168 Benchmark]: Toolchain (without parser) took 23935.91 ms. Allocated memory was 151.0 MB in the beginning and 550.5 MB in the end (delta: 399.5 MB). Free memory was 126.5 MB in the beginning and 402.0 MB in the end (delta: -275.5 MB). Peak memory consumption was 124.9 MB. Max. memory is 8.0 GB. [2021-02-24 03:29:57,274 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:29:57,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.61 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.7 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:29:57,283 INFO L168 Benchmark]: Boogie Preprocessor took 106.88 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 130.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. [2021-02-24 03:29:57,284 INFO L168 Benchmark]: RCFGBuilder took 1515.11 ms. Allocated memory is still 151.0 MB. Free memory was 130.8 MB in the beginning and 71.9 MB in the end (delta: 59.0 MB). Peak memory consumption was 58.8 MB. Max. memory is 8.0 GB. [2021-02-24 03:29:57,285 INFO L168 Benchmark]: TraceAbstraction took 21747.48 ms. Allocated memory was 151.0 MB in the beginning and 550.5 MB in the end (delta: 399.5 MB). Free memory was 71.9 MB in the beginning and 402.0 MB in the end (delta: -330.1 MB). Peak memory consumption was 69.4 MB. Max. memory is 8.0 GB. [2021-02-24 03:29:57,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 548.61 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.7 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.88 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 130.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1515.11 ms. Allocated memory is still 151.0 MB. Free memory was 130.8 MB in the beginning and 71.9 MB in the end (delta: 59.0 MB). Peak memory consumption was 58.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21747.48 ms. Allocated memory was 151.0 MB in the beginning and 550.5 MB in the end (delta: 399.5 MB). Free memory was 71.9 MB in the beginning and 402.0 MB in the end (delta: -330.1 MB). Peak memory consumption was 69.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 979]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int waterLevel = 1; [L51] int methaneLevelCritical = 0; [L227] int pumpRunning = 0; [L228] int systemActive = 1; [L475] int cleanupTimeShifts = 4; [L778] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L551] int retValue_acc ; [L552] int tmp ; [L556] FCALL select_helpers() [L557] FCALL select_features() [L558] CALL, EXPR valid_product() [L600] int retValue_acc ; [L603] retValue_acc = 1 [L604] return (retValue_acc); [L558] RET, EXPR valid_product() [L558] tmp = valid_product() [L560] COND TRUE \read(tmp) [L562] FCALL setup() [L563] CALL runTest() [L542] CALL test() [L157] int splverifierCounter ; [L158] int tmp ; [L159] int tmp___0 ; [L160] int tmp___1 ; [L161] int tmp___2 ; [L164] splverifierCounter = 0 [L166] COND TRUE 1 [L168] COND TRUE splverifierCounter < 4 [L174] tmp = __VERIFIER_nondet_int() [L176] COND TRUE \read(tmp) [L178] CALL waterRise() [L68] COND TRUE waterLevel < 2 [L69] waterLevel = waterLevel + 1 [L178] RET waterRise() [L184] tmp___0 = __VERIFIER_nondet_int() [L186] COND FALSE !(\read(tmp___0)) [L194] tmp___2 = __VERIFIER_nondet_int() [L196] COND FALSE !(\read(tmp___2)) [L200] tmp___1 = __VERIFIER_nondet_int() [L202] COND TRUE \read(tmp___1) [L204] CALL stopSystem() [L428] COND FALSE !(\read(pumpRunning)) [L435] systemActive = 0 [L204] RET stopSystem() [L211] CALL timeShift() [L235] COND FALSE !(\read(pumpRunning)) [L242] COND FALSE !(\read(systemActive)) [L250] CALL __utac_acc__Specification3_spec__1() [L442] int tmp ; [L443] int tmp___0 ; [L444] int tmp___1 ; [L448] CALL, EXPR isMethaneLevelCritical() [L89] int retValue_acc ; [L92] retValue_acc = methaneLevelCritical [L93] return (retValue_acc); [L448] RET, EXPR isMethaneLevelCritical() [L448] tmp = isMethaneLevelCritical() [L450] COND FALSE !(\read(tmp)) [L454] CALL, EXPR getWaterLevel() [L121] int retValue_acc ; [L124] retValue_acc = waterLevel [L125] return (retValue_acc); [L454] RET, EXPR getWaterLevel() [L454] tmp___0 = getWaterLevel() [L456] COND TRUE tmp___0 == 2 [L458] CALL, EXPR isPumpRunning() [L342] int retValue_acc ; [L345] retValue_acc = pumpRunning [L346] return (retValue_acc); [L458] RET, EXPR isPumpRunning() [L458] tmp___1 = isPumpRunning() [L460] COND FALSE !(\read(tmp___1)) [L464] CALL __automaton_fail() [L979] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 658 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 21.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1084 SDtfs, 1385 SDslu, 1441 SDs, 0 SdLazy, 3484 SolverSat, 416 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=876occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 246 StatesRemovedByMinimization, 4 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...