/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_spec3_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 16:26:14,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 16:26:14,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 16:26:15,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 16:26:15,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 16:26:15,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 16:26:15,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 16:26:15,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 16:26:15,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 16:26:15,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 16:26:15,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 16:26:15,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 16:26:15,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 16:26:15,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 16:26:15,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 16:26:15,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 16:26:15,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 16:26:15,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 16:26:15,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 16:26:15,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 16:26:15,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 16:26:15,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 16:26:15,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 16:26:15,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 16:26:15,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 16:26:15,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 16:26:15,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 16:26:15,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 16:26:15,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 16:26:15,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 16:26:15,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 16:26:15,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 16:26:15,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 16:26:15,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 16:26:15,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 16:26:15,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 16:26:15,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 16:26:15,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 16:26:15,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 16:26:15,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 16:26:15,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 16:26:15,098 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 16:26:15,119 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 16:26:15,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 16:26:15,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 16:26:15,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 16:26:15,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 16:26:15,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 16:26:15,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 16:26:15,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 16:26:15,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 16:26:15,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 16:26:15,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 16:26:15,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 16:26:15,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 16:26:15,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 16:26:15,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 16:26:15,126 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 16:26:15,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 16:26:15,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 16:26:15,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 16:26:15,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 16:26:15,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 16:26:15,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 16:26:15,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 16:26:15,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 16:26:15,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 16:26:15,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 16:26:15,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 16:26:15,551 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 16:26:15,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product51.cil.c [2021-02-23 16:26:15,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/486a5aad2/744631abc430450f87074e4275311f43/FLAGb724523f4 [2021-02-23 16:26:16,264 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 16:26:16,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product51.cil.c [2021-02-23 16:26:16,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/486a5aad2/744631abc430450f87074e4275311f43/FLAGb724523f4 [2021-02-23 16:26:16,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/486a5aad2/744631abc430450f87074e4275311f43 [2021-02-23 16:26:16,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 16:26:16,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 16:26:16,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 16:26:16,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 16:26:16,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 16:26:16,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:26:16" (1/1) ... [2021-02-23 16:26:16,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6175ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:16, skipping insertion in model container [2021-02-23 16:26:16,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:26:16" (1/1) ... [2021-02-23 16:26:16,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 16:26:16,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 16:26:17,079 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] [2021-02-23 16:26:17,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:26:17,094 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 16:26:17,179 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] [2021-02-23 16:26:17,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:26:17,234 INFO L208 MainTranslator]: Completed translation [2021-02-23 16:26:17,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17 WrapperNode [2021-02-23 16:26:17,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 16:26:17,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 16:26:17,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 16:26:17,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 16:26:17,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (1/1) ... [2021-02-23 16:26:17,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (1/1) ... [2021-02-23 16:26:17,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (1/1) ... [2021-02-23 16:26:17,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (1/1) ... [2021-02-23 16:26:17,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (1/1) ... [2021-02-23 16:26:17,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (1/1) ... [2021-02-23 16:26:17,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (1/1) ... [2021-02-23 16:26:17,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 16:26:17,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 16:26:17,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 16:26:17,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 16:26:17,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (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 16:26:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 16:26:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 16:26:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 16:26:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 16:26:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 16:26:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 16:26:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 16:26:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 16:26:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 16:26:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 16:26:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-23 16:26:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-23 16:26:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 16:26:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 16:26:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 16:26:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 16:26:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 16:26:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 16:26:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 16:26:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 16:26:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 16:26:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 16:26:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-23 16:26:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-23 16:26:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-23 16:26:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2021-02-23 16:26:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 16:26:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 16:26:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 16:26:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 16:26:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 16:26:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 16:26:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 16:26:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 16:26:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 16:26:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 16:26:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 16:26:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 16:26:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 16:26:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 16:26:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 16:26:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 16:26:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 16:26:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 16:26:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 16:26:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 16:26:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 16:26:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 16:26:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 16:26:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 16:26:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 16:26:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 16:26:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 16:26:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 16:26:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-23 16:26:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-23 16:26:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-23 16:26:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 16:26:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 16:26:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 16:26:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 16:26:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 16:26:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 16:26:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 16:26:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2021-02-23 16:26:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 16:26:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 16:26:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-23 16:26:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 16:26:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-23 16:26:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 16:26:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 16:26:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 16:26:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 16:26:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 16:26:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 16:26:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 16:26:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 16:26:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 16:26:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 16:26:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 16:26:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 16:26:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 16:26:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 16:26:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 16:26:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 16:26:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 16:26:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 16:26:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 16:26:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 16:26:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 16:26:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 16:26:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 16:26:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 16:26:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 16:26:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 16:26:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 16:26:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 16:26:19,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 16:26:19,224 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 16:26:19,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:26:19 BoogieIcfgContainer [2021-02-23 16:26:19,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 16:26:19,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 16:26:19,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 16:26:19,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 16:26:19,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 04:26:16" (1/3) ... [2021-02-23 16:26:19,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11253b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:26:19, skipping insertion in model container [2021-02-23 16:26:19,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:26:17" (2/3) ... [2021-02-23 16:26:19,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11253b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:26:19, skipping insertion in model container [2021-02-23 16:26:19,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:26:19" (3/3) ... [2021-02-23 16:26:19,245 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product51.cil.c [2021-02-23 16:26:19,252 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 16:26:19,257 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 16:26:19,276 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 16:26:19,303 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 16:26:19,303 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 16:26:19,303 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 16:26:19,303 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 16:26:19,304 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 16:26:19,304 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 16:26:19,304 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 16:26:19,304 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 16:26:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states. [2021-02-23 16:26:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-02-23 16:26:19,389 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:26:19,391 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] [2021-02-23 16:26:19,392 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:26:19,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:26:19,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1595657869, now seen corresponding path program 1 times [2021-02-23 16:26:19,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:26:19,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9281694] [2021-02-23 16:26:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:26:19,520 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:26:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:19,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:19,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:19,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:19,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,496 WARN L202 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:26:20,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:26:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:20,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:20,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:26:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:20,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:20,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:26:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:20,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:20,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:26:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:20,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:20,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:26:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:20,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:20,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 16:26:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:20,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:20,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-23 16:26:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:20,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:20,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-23 16:26:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:20,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:20,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:20,751 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 16:26:20,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9281694] [2021-02-23 16:26:20,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:26:20,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 16:26:20,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030259917] [2021-02-23 16:26:20,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 16:26:20,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:26:20,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 16:26:20,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 16:26:20,782 INFO L87 Difference]: Start difference. First operand 341 states. Second operand 3 states. [2021-02-23 16:26:22,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:26:22,577 INFO L93 Difference]: Finished difference Result 531 states and 629 transitions. [2021-02-23 16:26:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 16:26:22,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2021-02-23 16:26:22,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:26:22,598 INFO L225 Difference]: With dead ends: 531 [2021-02-23 16:26:22,598 INFO L226 Difference]: Without dead ends: 326 [2021-02-23 16:26:22,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 16:26:22,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-02-23 16:26:22,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 283. [2021-02-23 16:26:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-23 16:26:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 308 transitions. [2021-02-23 16:26:22,815 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 308 transitions. Word has length 158 [2021-02-23 16:26:22,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:26:22,816 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 308 transitions. [2021-02-23 16:26:22,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 16:26:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 308 transitions. [2021-02-23 16:26:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-02-23 16:26:22,822 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:26:22,823 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] [2021-02-23 16:26:22,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 16:26:22,823 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:26:22,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:26:22,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1569915662, now seen corresponding path program 1 times [2021-02-23 16:26:22,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:26:22,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754970919] [2021-02-23 16:26:22,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:26:22,829 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:26:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:22,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:22,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:22,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:22,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:22,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:22,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,237 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:26:23,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:26:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:23,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:23,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:26:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:23,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:23,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:26:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:23,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:23,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:26:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:23,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:23,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:26:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:23,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:23,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-23 16:26:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:23,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:23,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 16:26:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:23,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:23,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-23 16:26:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:23,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:23,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:23,397 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 16:26:23,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754970919] [2021-02-23 16:26:23,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:26:23,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 16:26:23,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100777591] [2021-02-23 16:26:23,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 16:26:23,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:26:23,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 16:26:23,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 16:26:23,402 INFO L87 Difference]: Start difference. First operand 283 states and 308 transitions. Second operand 4 states. [2021-02-23 16:26:24,113 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:26:25,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:26:25,281 INFO L93 Difference]: Finished difference Result 441 states and 495 transitions. [2021-02-23 16:26:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 16:26:25,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2021-02-23 16:26:25,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:26:25,286 INFO L225 Difference]: With dead ends: 441 [2021-02-23 16:26:25,286 INFO L226 Difference]: Without dead ends: 309 [2021-02-23 16:26:25,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 16:26:25,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-02-23 16:26:25,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 273. [2021-02-23 16:26:25,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-23 16:26:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2021-02-23 16:26:25,390 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 159 [2021-02-23 16:26:25,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:26:25,391 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2021-02-23 16:26:25,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 16:26:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2021-02-23 16:26:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-02-23 16:26:25,394 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:26:25,395 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] [2021-02-23 16:26:25,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 16:26:25,395 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:26:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:26:25,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1380705333, now seen corresponding path program 1 times [2021-02-23 16:26:25,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:26:25,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728772680] [2021-02-23 16:26:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:26:25,400 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:26:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:25,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:25,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:25,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:25,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:25,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:26:25,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:26:25,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:26:25,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:25,891 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:26:25,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:26:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:25,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:25,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 16:26:25,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:26:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:25,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:25,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:26:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:25,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:25,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:26:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:25,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:25,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:25,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:26:25,997 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 16:26:25,998 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 16:26:26,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:26:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:26,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:26,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:26,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-23 16:26:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:26,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:26,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:26,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-23 16:26:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:26,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:26,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-23 16:26:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:26,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:26,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:26,075 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 16:26:26,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728772680] [2021-02-23 16:26:26,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:26:26,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 16:26:26,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891980890] [2021-02-23 16:26:26,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 16:26:26,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:26:26,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 16:26:26,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-23 16:26:26,078 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 9 states. [2021-02-23 16:26:26,631 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:26:27,082 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:26:27,476 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:26:27,836 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:26:28,173 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:26:28,551 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:26:29,612 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:26:32,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:26:32,274 INFO L93 Difference]: Finished difference Result 731 states and 838 transitions. [2021-02-23 16:26:32,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 16:26:32,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2021-02-23 16:26:32,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:26:32,280 INFO L225 Difference]: With dead ends: 731 [2021-02-23 16:26:32,280 INFO L226 Difference]: Without dead ends: 573 [2021-02-23 16:26:32,283 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 [2021-02-23 16:26:32,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-02-23 16:26:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 506. [2021-02-23 16:26:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2021-02-23 16:26:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 565 transitions. [2021-02-23 16:26:32,544 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 565 transitions. Word has length 168 [2021-02-23 16:26:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:26:32,546 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 565 transitions. [2021-02-23 16:26:32,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 16:26:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 565 transitions. [2021-02-23 16:26:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-02-23 16:26:32,551 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:26:32,552 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] [2021-02-23 16:26:32,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 16:26:32,552 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:26:32,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:26:32,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1905969023, now seen corresponding path program 1 times [2021-02-23 16:26:32,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:26:32,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129309695] [2021-02-23 16:26:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:26:32,559 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:26:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:32,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:32,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:32,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:32,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:32,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:32,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:32,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:32,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:32,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:32,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:32,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:32,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:32,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:32,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:32,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:32,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,114 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:26:33,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:26:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 16:26:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:26:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:26:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:26:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:26:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-02-23 16:26:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-02-23 16:26:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-02-23 16:26:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:33,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:26:33,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-02-23 16:26:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:26:33,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:26:33,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:26:33,403 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 16:26:33,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129309695] [2021-02-23 16:26:33,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:26:33,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 16:26:33,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941372973] [2021-02-23 16:26:33,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 16:26:33,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:26:33,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 16:26:33,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-23 16:26:33,412 INFO L87 Difference]: Start difference. First operand 506 states and 565 transitions. Second operand 9 states. [2021-02-23 16:26:34,044 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:26:36,267 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:26:36,701 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:26:37,116 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:26:37,612 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:26:37,952 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:26:38,346 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:26:38,705 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:26:39,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:26:39,782 INFO L93 Difference]: Finished difference Result 1367 states and 1638 transitions. [2021-02-23 16:26:39,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 16:26:39,783 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2021-02-23 16:26:39,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:26:39,791 INFO L225 Difference]: With dead ends: 1367 [2021-02-23 16:26:39,791 INFO L226 Difference]: Without dead ends: 976 [2021-02-23 16:26:39,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-23 16:26:39,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2021-02-23 16:26:40,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 876. [2021-02-23 16:26:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2021-02-23 16:26:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1002 transitions. [2021-02-23 16:26:40,231 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1002 transitions. Word has length 177 [2021-02-23 16:26:40,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:26:40,231 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1002 transitions. [2021-02-23 16:26:40,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 16:26:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1002 transitions. [2021-02-23 16:26:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-02-23 16:26:40,240 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:26:40,241 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] [2021-02-23 16:26:40,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 16:26:40,241 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:26:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:26:40,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1566507116, now seen corresponding path program 1 times [2021-02-23 16:26:40,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:26:40,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469567635] [2021-02-23 16:26:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:26:40,245 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:26:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 16:26:40,361 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 16:26:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 16:26:40,436 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 16:26:40,620 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 16:26:40,620 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 16:26:40,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 16:26:40,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 04:26:40 BoogieIcfgContainer [2021-02-23 16:26:40,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 16:26:40,662 INFO L168 Benchmark]: Toolchain (without parser) took 24072.50 ms. Allocated memory was 175.1 MB in the beginning and 566.2 MB in the end (delta: 391.1 MB). Free memory was 149.8 MB in the beginning and 343.9 MB in the end (delta: -194.1 MB). Peak memory consumption was 198.5 MB. Max. memory is 8.0 GB. [2021-02-23 16:26:40,663 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 175.1 MB. Free memory is still 147.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 16:26:40,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.77 ms. Allocated memory is still 175.1 MB. Free memory was 148.7 MB in the beginning and 126.6 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-23 16:26:40,668 INFO L168 Benchmark]: Boogie Preprocessor took 94.83 ms. Allocated memory is still 175.1 MB. Free memory was 126.6 MB in the beginning and 122.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-23 16:26:40,671 INFO L168 Benchmark]: RCFGBuilder took 1902.21 ms. Allocated memory was 175.1 MB in the beginning and 222.3 MB in the end (delta: 47.2 MB). Free memory was 122.6 MB in the beginning and 193.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 70.3 MB. Max. memory is 8.0 GB. [2021-02-23 16:26:40,675 INFO L168 Benchmark]: TraceAbstraction took 21423.32 ms. Allocated memory was 222.3 MB in the beginning and 566.2 MB in the end (delta: 343.9 MB). Free memory was 192.5 MB in the beginning and 343.9 MB in the end (delta: -151.4 MB). Peak memory consumption was 192.5 MB. Max. memory is 8.0 GB. [2021-02-23 16:26:40,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 175.1 MB. Free memory is still 147.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 624.77 ms. Allocated memory is still 175.1 MB. Free memory was 148.7 MB in the beginning and 126.6 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 94.83 ms. Allocated memory is still 175.1 MB. Free memory was 126.6 MB in the beginning and 122.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1902.21 ms. Allocated memory was 175.1 MB in the beginning and 222.3 MB in the end (delta: 47.2 MB). Free memory was 122.6 MB in the beginning and 193.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 70.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21423.32 ms. Allocated memory was 222.3 MB in the beginning and 566.2 MB in the end (delta: 343.9 MB). Free memory was 192.5 MB in the beginning and 343.9 MB in the end (delta: -151.4 MB). Peak memory consumption was 192.5 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: 21.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1085 SDtfs, 1385 SDslu, 1443 SDs, 0 SdLazy, 3487 SolverSat, 416 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 7.2s 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: 0.9s 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...