/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_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:02:49,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:02:49,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:02:49,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:02:49,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:02:49,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:02:49,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:02:49,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:02:49,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:02:49,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:02:49,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:02:49,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:02:49,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:02:49,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:02:49,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:02:49,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:02:49,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:02:49,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:02:49,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:02:49,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:02:49,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:02:49,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:02:49,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:02:49,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:02:49,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:02:49,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:02:49,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:02:49,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:02:49,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:02:49,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:02:49,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:02:49,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:02:49,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:02:49,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:02:49,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:02:49,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:02:49,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:02:49,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:02:49,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:02:49,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:02:49,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:02:49,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:02:49,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:02:49,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:02:49,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:02:49,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:02:49,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:02:49,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:02:49,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:02:49,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:02:49,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:02:49,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:02:49,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:02:49,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:02:49,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:02:49,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:02:49,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:02:49,645 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:02:49,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:02:49,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:02:49,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:02:49,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:02:49,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:02:49,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:02:49,647 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:02:49,647 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:02:50,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:02:50,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:02:50,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:02:50,068 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:02:50,069 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:02:50,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c [2021-02-22 01:02:50,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78c95712/82c315eda23743fb81238b352e131fa3/FLAG358b77b7c [2021-02-22 01:02:50,897 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:02:50,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c [2021-02-22 01:02:50,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78c95712/82c315eda23743fb81238b352e131fa3/FLAG358b77b7c [2021-02-22 01:02:51,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78c95712/82c315eda23743fb81238b352e131fa3 [2021-02-22 01:02:51,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:02:51,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:02:51,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:02:51,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:02:51,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:02:51,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d66be5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51, skipping insertion in model container [2021-02-22 01:02:51,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:02:51,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:02:51,647 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_product21.cil.c[13493,13506] [2021-02-22 01:02:51,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:02:51,688 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:02:51,755 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_product21.cil.c[13493,13506] [2021-02-22 01:02:51,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:02:51,852 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:02:51,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51 WrapperNode [2021-02-22 01:02:51,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:02:51,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:02:51,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:02:51,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:02:51,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (1/1) ... [2021-02-22 01:02:51,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:02:51,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:02:51,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:02:51,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:02:51,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:02:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:02:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:02:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 01:02:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:02:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 01:02:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 01:02:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 01:02:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 01:02:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 01:02:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 01:02:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 01:02:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 01:02:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-22 01:02:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 01:02:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 01:02:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 01:02:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 01:02:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 01:02:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 01:02:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-22 01:02:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 01:02:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 01:02:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 01:02:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 01:02:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 01:02:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 01:02:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 01:02:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 01:02:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-22 01:02:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 01:02:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 01:02:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 01:02:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 01:02:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:02:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2021-02-22 01:02:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 01:02:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 01:02:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 01:02:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 01:02:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 01:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 01:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 01:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 01:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 01:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 01:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 01:02:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 01:02:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 01:02:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 01:02:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 01:02:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-22 01:02:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 01:02:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 01:02:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 01:02:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 01:02:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 01:02:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2021-02-22 01:02:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 01:02:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 01:02:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-22 01:02:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-22 01:02:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 01:02:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 01:02:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 01:02:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 01:02:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 01:02:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 01:02:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 01:02:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 01:02:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 01:02:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 01:02:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 01:02:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 01:02:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 01:02:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:02:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 01:02:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:02:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:02:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:02:53,307 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:02:53,307 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 01:02:53,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:02:53 BoogieIcfgContainer [2021-02-22 01:02:53,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:02:53,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:02:53,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:02:53,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:02:53,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:02:51" (1/3) ... [2021-02-22 01:02:53,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a03f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:02:53, skipping insertion in model container [2021-02-22 01:02:53,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:02:51" (2/3) ... [2021-02-22 01:02:53,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a03f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:02:53, skipping insertion in model container [2021-02-22 01:02:53,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:02:53" (3/3) ... [2021-02-22 01:02:53,320 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2021-02-22 01:02:53,327 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:02:53,333 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:02:53,352 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:02:53,387 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:02:53,387 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:02:53,387 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:02:53,388 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:02:53,388 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:02:53,389 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:02:53,389 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:02:53,389 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:02:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2021-02-22 01:02:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-02-22 01:02:53,445 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:02:53,447 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] [2021-02-22 01:02:53,447 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:02:53,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:02:53,453 INFO L82 PathProgramCache]: Analyzing trace with hash -843989000, now seen corresponding path program 1 times [2021-02-22 01:02:53,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:02:53,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531397249] [2021-02-22 01:02:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:02:53,548 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:02:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:53,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:53,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:53,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:53,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,315 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:02:54,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:02:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:54,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:54,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:02:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:54,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:54,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:02:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:54,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:54,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:02:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:54,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:54,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:02:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:54,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:54,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:02:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:54,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:54,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-22 01:02:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:54,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:54,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 01:02:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:54,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:54,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:02:54,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531397249] [2021-02-22 01:02:54,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:02:54,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 01:02:54,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447513131] [2021-02-22 01:02:54,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 01:02:54,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:02:54,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 01:02:54,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 01:02:54,529 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2021-02-22 01:02:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:02:56,292 INFO L93 Difference]: Finished difference Result 483 states and 576 transitions. [2021-02-22 01:02:56,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 01:02:56,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2021-02-22 01:02:56,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:02:56,330 INFO L225 Difference]: With dead ends: 483 [2021-02-22 01:02:56,330 INFO L226 Difference]: Without dead ends: 301 [2021-02-22 01:02:56,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 01:02:56,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-02-22 01:02:56,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 260. [2021-02-22 01:02:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2021-02-22 01:02:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 283 transitions. [2021-02-22 01:02:56,504 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 283 transitions. Word has length 158 [2021-02-22 01:02:56,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:02:56,505 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 283 transitions. [2021-02-22 01:02:56,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 01:02:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 283 transitions. [2021-02-22 01:02:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-02-22 01:02:56,511 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:02:56,511 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] [2021-02-22 01:02:56,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:02:56,512 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:02:56,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:02:56,513 INFO L82 PathProgramCache]: Analyzing trace with hash 32784274, now seen corresponding path program 1 times [2021-02-22 01:02:56,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:02:56,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080174110] [2021-02-22 01:02:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:02:56,517 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:02:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:56,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:56,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:56,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:56,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:02:56,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:56,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:56,994 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:02:56,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:02:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:57,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:57,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:57,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:02:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:57,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:57,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:57,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:02:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:57,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:57,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:57,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:02:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:57,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:57,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:57,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:02:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:57,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:57,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:57,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-22 01:02:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:57,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:57,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-22 01:02:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:57,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:57,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-22 01:02:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:57,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:57,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:57,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:02:57,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080174110] [2021-02-22 01:02:57,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:02:57,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:02:57,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254789733] [2021-02-22 01:02:57,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:02:57,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:02:57,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:02:57,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:02:57,107 INFO L87 Difference]: Start difference. First operand 260 states and 283 transitions. Second operand 4 states. [2021-02-22 01:02:57,858 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:02:58,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:02:58,918 INFO L93 Difference]: Finished difference Result 399 states and 450 transitions. [2021-02-22 01:02:58,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 01:02:58,919 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2021-02-22 01:02:58,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:02:58,926 INFO L225 Difference]: With dead ends: 399 [2021-02-22 01:02:58,926 INFO L226 Difference]: Without dead ends: 284 [2021-02-22 01:02:58,929 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 [2021-02-22 01:02:58,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-22 01:02:59,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 250. [2021-02-22 01:02:59,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-22 01:02:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 270 transitions. [2021-02-22 01:02:59,018 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 270 transitions. Word has length 159 [2021-02-22 01:02:59,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:02:59,019 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 270 transitions. [2021-02-22 01:02:59,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:02:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 270 transitions. [2021-02-22 01:02:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-02-22 01:02:59,041 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:02:59,042 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] [2021-02-22 01:02:59,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:02:59,042 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:02:59,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:02:59,043 INFO L82 PathProgramCache]: Analyzing trace with hash 98733047, now seen corresponding path program 1 times [2021-02-22 01:02:59,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:02:59,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980059933] [2021-02-22 01:02:59,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:02:59,048 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:02:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:02:59,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:02:59,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:02:59,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:02:59,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,517 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:02:59,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:02:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:02:59,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:02:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:02:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:02:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:02:59,629 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-22 01:02:59,631 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-22 01:02:59,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:02:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-22 01:02:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 01:02:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-22 01:02:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:02:59,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:02:59,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:02:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:02:59,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980059933] [2021-02-22 01:02:59,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:02:59,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 01:02:59,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091664698] [2021-02-22 01:02:59,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 01:02:59,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:02:59,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 01:02:59,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-22 01:02:59,731 INFO L87 Difference]: Start difference. First operand 250 states and 270 transitions. Second operand 9 states. [2021-02-22 01:03:00,434 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:03:00,861 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:03:01,250 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:03:01,655 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:03:01,963 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:03:02,358 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:03:04,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:03:04,165 INFO L93 Difference]: Finished difference Result 419 states and 475 transitions. [2021-02-22 01:03:04,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-22 01:03:04,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2021-02-22 01:03:04,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:03:04,171 INFO L225 Difference]: With dead ends: 419 [2021-02-22 01:03:04,172 INFO L226 Difference]: Without dead ends: 284 [2021-02-22 01:03:04,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-02-22 01:03:04,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-22 01:03:04,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 250. [2021-02-22 01:03:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-22 01:03:04,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 269 transitions. [2021-02-22 01:03:04,317 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 269 transitions. Word has length 168 [2021-02-22 01:03:04,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:03:04,319 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 269 transitions. [2021-02-22 01:03:04,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 01:03:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 269 transitions. [2021-02-22 01:03:04,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-02-22 01:03:04,324 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:03:04,324 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] [2021-02-22 01:03:04,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:03:04,325 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:03:04,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:03:04,325 INFO L82 PathProgramCache]: Analyzing trace with hash 345662228, now seen corresponding path program 1 times [2021-02-22 01:03:04,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:03:04,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621663217] [2021-02-22 01:03:04,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:03:04,331 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:03:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,796 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:03:04,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:03:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:03:04,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:03:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:03:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:03:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:03:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-22 01:03:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:03:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:03:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-22 01:03:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-02-22 01:03:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:04,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:03:04,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-02-22 01:03:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:03:04,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:03:04,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:03:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:03:05,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621663217] [2021-02-22 01:03:05,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:03:05,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 01:03:05,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872965470] [2021-02-22 01:03:05,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 01:03:05,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:03:05,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 01:03:05,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-22 01:03:05,021 INFO L87 Difference]: Start difference. First operand 250 states and 269 transitions. Second operand 9 states. [2021-02-22 01:03:05,905 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:03:08,481 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:03:08,973 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:03:09,394 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:03:09,803 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:03:10,199 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:03:10,795 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:03:11,222 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:03:11,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:03:11,664 INFO L93 Difference]: Finished difference Result 591 states and 699 transitions. [2021-02-22 01:03:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-22 01:03:11,665 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2021-02-22 01:03:11,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:03:11,670 INFO L225 Difference]: With dead ends: 591 [2021-02-22 01:03:11,671 INFO L226 Difference]: Without dead ends: 456 [2021-02-22 01:03:11,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-22 01:03:11,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-02-22 01:03:11,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 379. [2021-02-22 01:03:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2021-02-22 01:03:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 421 transitions. [2021-02-22 01:03:11,853 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 421 transitions. Word has length 181 [2021-02-22 01:03:11,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:03:11,854 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 421 transitions. [2021-02-22 01:03:11,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 01:03:11,854 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 421 transitions. [2021-02-22 01:03:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-02-22 01:03:11,857 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:03:11,858 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:03:11,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 01:03:11,858 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:03:11,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:03:11,859 INFO L82 PathProgramCache]: Analyzing trace with hash -88277322, now seen corresponding path program 1 times [2021-02-22 01:03:11,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:03:11,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940370405] [2021-02-22 01:03:11,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:03:11,862 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:03:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 01:03:11,947 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 01:03:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 01:03:12,027 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 01:03:12,232 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 01:03:12,232 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 01:03:12,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 01:03:12,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 01:03:12 BoogieIcfgContainer [2021-02-22 01:03:12,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 01:03:12,261 INFO L168 Benchmark]: Toolchain (without parser) took 21089.04 ms. Allocated memory was 169.9 MB in the beginning and 489.7 MB in the end (delta: 319.8 MB). Free memory was 144.4 MB in the beginning and 334.1 MB in the end (delta: -189.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 8.0 GB. [2021-02-22 01:03:12,261 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 169.9 MB. Free memory is still 143.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:03:12,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.98 ms. Allocated memory is still 169.9 MB. Free memory was 143.3 MB in the beginning and 122.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:03:12,262 INFO L168 Benchmark]: Boogie Preprocessor took 91.32 ms. Allocated memory is still 169.9 MB. Free memory was 122.4 MB in the beginning and 118.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:03:12,263 INFO L168 Benchmark]: RCFGBuilder took 1363.78 ms. Allocated memory was 169.9 MB in the beginning and 219.2 MB in the end (delta: 49.3 MB). Free memory was 118.4 MB in the beginning and 153.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:03:12,264 INFO L168 Benchmark]: TraceAbstraction took 18947.63 ms. Allocated memory was 219.2 MB in the beginning and 489.7 MB in the end (delta: 270.5 MB). Free memory was 152.4 MB in the beginning and 334.1 MB in the end (delta: -181.6 MB). Peak memory consumption was 88.9 MB. Max. memory is 8.0 GB. [2021-02-22 01:03:12,266 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 169.9 MB. Free memory is still 143.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 660.98 ms. Allocated memory is still 169.9 MB. Free memory was 143.3 MB in the beginning and 122.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 91.32 ms. Allocated memory is still 169.9 MB. Free memory was 122.4 MB in the beginning and 118.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1363.78 ms. Allocated memory was 169.9 MB in the beginning and 219.2 MB in the end (delta: 49.3 MB). Free memory was 118.4 MB in the beginning and 153.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18947.63 ms. Allocated memory was 219.2 MB in the beginning and 489.7 MB in the end (delta: 270.5 MB). Free memory was 152.4 MB in the beginning and 334.1 MB in the end (delta: -181.6 MB). Peak memory consumption was 88.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 600]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L417] int pumpRunning = 0; [L418] int systemActive = 1; [L674] int waterLevel = 1; [L675] int methaneLevelCritical = 0; [L763] int cleanupTimeShifts = 4; [L839] int retValue_acc ; [L840] int tmp ; [L844] FCALL select_helpers() [L845] FCALL select_features() [L846] CALL, EXPR valid_product() [L922] int retValue_acc ; [L925] retValue_acc = 1 [L926] return (retValue_acc); [L846] RET, EXPR valid_product() [L846] tmp = valid_product() [L848] COND TRUE \read(tmp) [L850] FCALL setup() [L851] CALL runTest() [L830] CALL test() [L609] int splverifierCounter ; [L610] int tmp ; [L611] int tmp___0 ; [L612] int tmp___1 ; [L613] int tmp___2 ; [L616] splverifierCounter = 0 [L618] COND TRUE 1 [L620] COND TRUE splverifierCounter < 4 [L626] tmp = __VERIFIER_nondet_int() [L628] COND TRUE \read(tmp) [L630] CALL waterRise() [L692] COND TRUE waterLevel < 2 [L693] waterLevel = waterLevel + 1 [L630] RET waterRise() [L636] tmp___0 = __VERIFIER_nondet_int() [L638] COND FALSE !(\read(tmp___0)) [L646] tmp___2 = __VERIFIER_nondet_int() [L648] COND TRUE \read(tmp___2) [L661] CALL timeShift() [L425] COND FALSE !(\read(pumpRunning)) [L432] COND TRUE \read(systemActive) [L434] CALL processEnvironment() [L480] int tmp ; [L483] COND FALSE !(\read(pumpRunning)) [L498] CALL processEnvironment__wrappee__lowWaterSensor() [L454] int tmp ; [L457] COND FALSE !(\read(pumpRunning)) [L472] FCALL processEnvironment__wrappee__base() [L498] RET processEnvironment__wrappee__lowWaterSensor() [L434] RET processEnvironment() [L440] CALL __utac_acc__Specification3_spec__1() [L863] int tmp ; [L864] int tmp___0 ; [L865] int tmp___1 ; [L869] CALL, EXPR isMethaneLevelCritical() [L713] int retValue_acc ; [L716] retValue_acc = methaneLevelCritical [L717] return (retValue_acc); [L869] RET, EXPR isMethaneLevelCritical() [L869] tmp = isMethaneLevelCritical() [L871] COND FALSE !(\read(tmp)) [L875] CALL, EXPR getWaterLevel() [L745] int retValue_acc ; [L748] retValue_acc = waterLevel [L749] return (retValue_acc); [L875] RET, EXPR getWaterLevel() [L875] tmp___0 = getWaterLevel() [L877] COND TRUE tmp___0 == 2 [L879] CALL, EXPR isPumpRunning() [L532] int retValue_acc ; [L535] retValue_acc = pumpRunning [L536] return (retValue_acc); [L879] RET, EXPR isPumpRunning() [L879] tmp___1 = isPumpRunning() [L881] COND FALSE !(\read(tmp___1)) [L885] CALL __automaton_fail() [L600] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 630 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 954 SDtfs, 1178 SDslu, 1183 SDs, 0 SdLazy, 2573 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred 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: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 186 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...