/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:43:25,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:43:25,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:43:25,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:43:25,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:43:25,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:43:25,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:43:25,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:43:25,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:43:25,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:43:25,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:43:25,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:43:25,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:43:25,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:43:25,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:43:25,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:43:25,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:43:25,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:43:25,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:43:25,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:43:25,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:43:25,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:43:25,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:43:25,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:43:25,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:43:25,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:43:25,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:43:25,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:43:25,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:43:25,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:43:25,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:43:25,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:43:25,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:43:25,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:43:25,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:43:25,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:43:25,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:43:25,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:43:25,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:43:25,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:43:25,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:43:25,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:43:25,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:43:25,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:43:25,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:43:25,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:43:25,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:43:25,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:43:25,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:43:25,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:43:25,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:43:25,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:43:25,402 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:43:25,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:43:25,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:43:25,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:43:25,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:43:25,403 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:43:25,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:43:25,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:43:25,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:43:25,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:43:25,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:43:25,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:43:25,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:43:25,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:43:25,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:43:25,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:43:25,867 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:43:25,868 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:43:25,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product40.cil.c [2020-10-23 23:43:25,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e4964c5/79fe3815461449918de2313794a72d66/FLAGd3f444010 [2020-10-23 23:43:26,614 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:43:26,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product40.cil.c [2020-10-23 23:43:26,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e4964c5/79fe3815461449918de2313794a72d66/FLAGd3f444010 [2020-10-23 23:43:26,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e4964c5/79fe3815461449918de2313794a72d66 [2020-10-23 23:43:26,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:43:26,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:43:26,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:43:26,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:43:26,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:43:26,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:43:26" (1/1) ... [2020-10-23 23:43:26,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70eef722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:26, skipping insertion in model container [2020-10-23 23:43:26,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:43:26" (1/1) ... [2020-10-23 23:43:26,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:43:26,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:43:27,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:43:27,264 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:43:27,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:43:27,439 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:43:27,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27 WrapperNode [2020-10-23 23:43:27,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:43:27,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:43:27,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:43:27,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:43:27,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (1/1) ... [2020-10-23 23:43:27,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (1/1) ... [2020-10-23 23:43:27,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (1/1) ... [2020-10-23 23:43:27,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (1/1) ... [2020-10-23 23:43:27,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (1/1) ... [2020-10-23 23:43:27,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (1/1) ... [2020-10-23 23:43:27,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (1/1) ... [2020-10-23 23:43:27,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:43:27,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:43:27,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:43:27,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:43:27,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (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 [2020-10-23 23:43:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:43:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:43:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:43:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:43:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:43:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 23:43:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 23:43:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:43:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:43:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:43:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:43:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:43:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:43:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 23:43:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 23:43:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 23:43:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:43:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-23 23:43:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:43:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:43:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:43:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:43:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:43:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:43:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:43:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:43:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:43:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:43:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:43:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:43:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:43:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:43:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:43:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:43:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:43:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:43:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:43:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:43:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:43:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:43:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 23:43:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:43:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:43:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:43:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:43:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:43:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:43:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:43:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:43:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:43:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 23:43:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:43:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:43:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:43:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:43:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:43:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 23:43:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 23:43:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-23 23:43:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:43:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 23:43:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 23:43:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 23:43:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:43:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:43:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:43:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:43:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:43:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:43:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:43:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:43:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:43:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:43:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:43:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:43:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:43:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:43:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:43:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:43:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:43:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:43:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:43:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:43:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:43:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:43:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:43:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:43:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:43:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:43:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:43:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:43:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:43:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:43:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:43:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:43:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:43:29,293 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:43:29,293 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:43:29,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:43:29 BoogieIcfgContainer [2020-10-23 23:43:29,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:43:29,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:43:29,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:43:29,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:43:29,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:43:26" (1/3) ... [2020-10-23 23:43:29,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f6d642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:43:29, skipping insertion in model container [2020-10-23 23:43:29,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:27" (2/3) ... [2020-10-23 23:43:29,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f6d642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:43:29, skipping insertion in model container [2020-10-23 23:43:29,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:43:29" (3/3) ... [2020-10-23 23:43:29,306 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product40.cil.c [2020-10-23 23:43:29,318 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:43:29,324 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:43:29,339 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:43:29,367 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:43:29,367 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:43:29,367 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:43:29,367 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:43:29,367 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:43:29,368 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:43:29,368 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:43:29,368 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:43:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-10-23 23:43:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 23:43:29,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:43:29,415 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] [2020-10-23 23:43:29,416 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:43:29,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:43:29,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1406426348, now seen corresponding path program 1 times [2020-10-23 23:43:29,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:43:29,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272052517] [2020-10-23 23:43:29,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:43:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:30,283 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:43:30,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:30,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:43:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:30,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:43:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:30,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:43:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:43:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:30,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:43:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:30,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 23:43:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:43:30,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272052517] [2020-10-23 23:43:30,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:43:30,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:43:30,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980427594] [2020-10-23 23:43:30,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:43:30,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:43:30,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:43:30,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:43:30,482 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 3 states. [2020-10-23 23:43:32,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:43:32,367 INFO L93 Difference]: Finished difference Result 500 states and 598 transitions. [2020-10-23 23:43:32,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:43:32,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 23:43:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:43:32,394 INFO L225 Difference]: With dead ends: 500 [2020-10-23 23:43:32,395 INFO L226 Difference]: Without dead ends: 310 [2020-10-23 23:43:32,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:43:32,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-23 23:43:32,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 266. [2020-10-23 23:43:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-23 23:43:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 290 transitions. [2020-10-23 23:43:32,606 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 290 transitions. Word has length 148 [2020-10-23 23:43:32,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:43:32,607 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 290 transitions. [2020-10-23 23:43:32,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:43:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 290 transitions. [2020-10-23 23:43:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 23:43:32,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:43:32,613 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] [2020-10-23 23:43:32,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:43:32,614 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:43:32,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:43:32,614 INFO L82 PathProgramCache]: Analyzing trace with hash -106109962, now seen corresponding path program 1 times [2020-10-23 23:43:32,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:43:32,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662632777] [2020-10-23 23:43:32,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:43:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:33,057 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:43:33,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:33,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:43:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:33,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:43:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:33,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:43:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:33,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:43:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:33,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:43:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:33,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:43:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:43:33,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662632777] [2020-10-23 23:43:33,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:43:33,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:43:33,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986847727] [2020-10-23 23:43:33,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:43:33,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:43:33,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:43:33,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:43:33,167 INFO L87 Difference]: Start difference. First operand 266 states and 290 transitions. Second operand 4 states. [2020-10-23 23:43:33,990 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:43:35,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:43:35,262 INFO L93 Difference]: Finished difference Result 404 states and 457 transitions. [2020-10-23 23:43:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:43:35,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 23:43:35,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:43:35,268 INFO L225 Difference]: With dead ends: 404 [2020-10-23 23:43:35,268 INFO L226 Difference]: Without dead ends: 293 [2020-10-23 23:43:35,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:43:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-23 23:43:35,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 256. [2020-10-23 23:43:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-23 23:43:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 277 transitions. [2020-10-23 23:43:35,371 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 277 transitions. Word has length 149 [2020-10-23 23:43:35,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:43:35,374 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 277 transitions. [2020-10-23 23:43:35,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:43:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 277 transitions. [2020-10-23 23:43:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-23 23:43:35,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:43:35,381 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] [2020-10-23 23:43:35,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:43:35,382 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:43:35,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:43:35,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1588560830, now seen corresponding path program 1 times [2020-10-23 23:43:35,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:43:35,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812951403] [2020-10-23 23:43:35,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:43:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:35,927 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:43:35,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:36,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:43:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:36,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:43:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:36,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:43:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:36,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:43:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:36,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:43:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:36,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:43:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:36,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 23:43:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:43:36,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812951403] [2020-10-23 23:43:36,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:43:36,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:43:36,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824192672] [2020-10-23 23:43:36,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:43:36,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:43:36,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:43:36,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:43:36,158 INFO L87 Difference]: Start difference. First operand 256 states and 277 transitions. Second operand 10 states. [2020-10-23 23:43:36,857 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:43:37,358 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:43:37,782 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:43:38,179 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:38,588 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:43:38,936 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:40,097 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:43:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:43:43,095 INFO L93 Difference]: Finished difference Result 694 states and 812 transitions. [2020-10-23 23:43:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 23:43:43,096 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-10-23 23:43:43,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:43:43,102 INFO L225 Difference]: With dead ends: 694 [2020-10-23 23:43:43,103 INFO L226 Difference]: Without dead ends: 553 [2020-10-23 23:43:43,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-23 23:43:43,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-10-23 23:43:43,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 456. [2020-10-23 23:43:43,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-10-23 23:43:43,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 512 transitions. [2020-10-23 23:43:43,345 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 512 transitions. Word has length 162 [2020-10-23 23:43:43,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:43:43,346 INFO L481 AbstractCegarLoop]: Abstraction has 456 states and 512 transitions. [2020-10-23 23:43:43,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:43:43,346 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 512 transitions. [2020-10-23 23:43:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-23 23:43:43,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:43:43,350 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] [2020-10-23 23:43:43,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:43:43,350 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:43:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:43:43,351 INFO L82 PathProgramCache]: Analyzing trace with hash -622039522, now seen corresponding path program 1 times [2020-10-23 23:43:43,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:43:43,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487843031] [2020-10-23 23:43:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:43:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:43,875 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:43:43,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:43,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:43:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:43,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:43:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:43,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:43:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:43:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:44,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-23 23:43:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-23 23:43:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:44,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:43:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:43:44,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487843031] [2020-10-23 23:43:44,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:43:44,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:43:44,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410448965] [2020-10-23 23:43:44,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:43:44,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:43:44,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:43:44,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:43:44,096 INFO L87 Difference]: Start difference. First operand 456 states and 512 transitions. Second operand 9 states. [2020-10-23 23:43:44,727 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:43:46,231 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:46,661 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:43:47,205 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:43:47,609 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:48,021 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:48,481 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:43:48,898 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:49,550 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:43:50,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:43:50,929 INFO L93 Difference]: Finished difference Result 1255 states and 1513 transitions. [2020-10-23 23:43:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 23:43:50,929 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2020-10-23 23:43:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:43:50,936 INFO L225 Difference]: With dead ends: 1255 [2020-10-23 23:43:50,936 INFO L226 Difference]: Without dead ends: 914 [2020-10-23 23:43:50,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-10-23 23:43:50,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-23 23:43:51,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 757. [2020-10-23 23:43:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2020-10-23 23:43:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 864 transitions. [2020-10-23 23:43:51,273 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 864 transitions. Word has length 167 [2020-10-23 23:43:51,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:43:51,275 INFO L481 AbstractCegarLoop]: Abstraction has 757 states and 864 transitions. [2020-10-23 23:43:51,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:43:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 864 transitions. [2020-10-23 23:43:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-23 23:43:51,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:43:51,283 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] [2020-10-23 23:43:51,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:43:51,283 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:43:51,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:43:51,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1623675934, now seen corresponding path program 1 times [2020-10-23 23:43:51,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:43:51,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517568643] [2020-10-23 23:43:51,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:43:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,717 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:43:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:43:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:43:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:43:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:43:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:43:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-23 23:43:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 23:43:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-23 23:43:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:43:51,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517568643] [2020-10-23 23:43:51,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:43:51,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:43:51,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904871393] [2020-10-23 23:43:51,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:43:51,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:43:51,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:43:51,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:43:51,919 INFO L87 Difference]: Start difference. First operand 757 states and 864 transitions. Second operand 10 states. [2020-10-23 23:43:52,589 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:43:54,272 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:54,687 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:43:55,090 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:55,495 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:43:55,858 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:56,858 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:43:57,208 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:43:57,687 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:43:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:43:59,211 INFO L93 Difference]: Finished difference Result 1977 states and 2452 transitions. [2020-10-23 23:43:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-23 23:43:59,212 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-10-23 23:43:59,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:43:59,223 INFO L225 Difference]: With dead ends: 1977 [2020-10-23 23:43:59,223 INFO L226 Difference]: Without dead ends: 1335 [2020-10-23 23:43:59,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-23 23:43:59,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2020-10-23 23:43:59,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1067. [2020-10-23 23:43:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-10-23 23:43:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1235 transitions. [2020-10-23 23:43:59,682 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1235 transitions. Word has length 172 [2020-10-23 23:43:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:43:59,683 INFO L481 AbstractCegarLoop]: Abstraction has 1067 states and 1235 transitions. [2020-10-23 23:43:59,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:43:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1235 transitions. [2020-10-23 23:43:59,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-23 23:43:59,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:43:59,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:43:59,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:43:59,688 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:43:59,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:43:59,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1114926034, now seen corresponding path program 1 times [2020-10-23 23:43:59,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:43:59,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112515930] [2020-10-23 23:43:59,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:43:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,078 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:44:00,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:44:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:44:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:44:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:44:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:44:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:44:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:44:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:44:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:44:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:44:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:44:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:44:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-23 23:44:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-23 23:44:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:44:00,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112515930] [2020-10-23 23:44:00,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:44:00,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 23:44:00,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662977340] [2020-10-23 23:44:00,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 23:44:00,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:44:00,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 23:44:00,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-23 23:44:00,335 INFO L87 Difference]: Start difference. First operand 1067 states and 1235 transitions. Second operand 14 states. [2020-10-23 23:44:01,102 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:44:01,474 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:44:01,860 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:44:02,224 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:44:02,571 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:44:03,901 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:44:04,299 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:44:04,697 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:44:05,113 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:44:05,512 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:44:08,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:44:08,275 INFO L93 Difference]: Finished difference Result 2648 states and 3401 transitions. [2020-10-23 23:44:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 23:44:08,276 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 205 [2020-10-23 23:44:08,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:44:08,287 INFO L225 Difference]: With dead ends: 2648 [2020-10-23 23:44:08,287 INFO L226 Difference]: Without dead ends: 1696 [2020-10-23 23:44:08,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-23 23:44:08,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2020-10-23 23:44:08,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1097. [2020-10-23 23:44:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2020-10-23 23:44:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1267 transitions. [2020-10-23 23:44:08,728 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1267 transitions. Word has length 205 [2020-10-23 23:44:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:44:08,728 INFO L481 AbstractCegarLoop]: Abstraction has 1097 states and 1267 transitions. [2020-10-23 23:44:08,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 23:44:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1267 transitions. [2020-10-23 23:44:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-23 23:44:08,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:44:08,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:44:08,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 23:44:08,733 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:44:08,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:44:08,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1240130418, now seen corresponding path program 1 times [2020-10-23 23:44:08,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:44:08,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444554482] [2020-10-23 23:44:08,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:44:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,107 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:44:09,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:44:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:44:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:44:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:44:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:44:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:44:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:44:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:44:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:44:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:44:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:44:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:44:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-23 23:44:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-23 23:44:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:44:09,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444554482] [2020-10-23 23:44:09,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:44:09,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 23:44:09,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168940687] [2020-10-23 23:44:09,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 23:44:09,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:44:09,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 23:44:09,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 23:44:09,366 INFO L87 Difference]: Start difference. First operand 1097 states and 1267 transitions. Second operand 11 states. [2020-10-23 23:44:11,107 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:44:11,527 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:44:11,921 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:44:12,310 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:44:12,727 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:44:13,106 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:44:15,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:44:15,288 INFO L93 Difference]: Finished difference Result 2690 states and 3378 transitions. [2020-10-23 23:44:15,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 23:44:15,289 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-10-23 23:44:15,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:44:15,300 INFO L225 Difference]: With dead ends: 2690 [2020-10-23 23:44:15,300 INFO L226 Difference]: Without dead ends: 1708 [2020-10-23 23:44:15,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-23 23:44:15,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2020-10-23 23:44:15,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1129. [2020-10-23 23:44:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-10-23 23:44:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1299 transitions. [2020-10-23 23:44:15,927 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1299 transitions. Word has length 205 [2020-10-23 23:44:15,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:44:15,928 INFO L481 AbstractCegarLoop]: Abstraction has 1129 states and 1299 transitions. [2020-10-23 23:44:15,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 23:44:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1299 transitions. [2020-10-23 23:44:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-23 23:44:15,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:44:15,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:44:15,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 23:44:15,933 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:44:15,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:44:15,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1805420175, now seen corresponding path program 1 times [2020-10-23 23:44:15,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:44:15,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356364927] [2020-10-23 23:44:15,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:44:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,309 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:44:16,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:44:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:44:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:44:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:44:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:44:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:44:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:44:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:44:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:44:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:44:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:44:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:44:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-23 23:44:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-23 23:44:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:16,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:44:16,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356364927] [2020-10-23 23:44:16,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:44:16,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 23:44:16,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538709585] [2020-10-23 23:44:16,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 23:44:16,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:44:16,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 23:44:16,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 23:44:16,518 INFO L87 Difference]: Start difference. First operand 1129 states and 1299 transitions. Second operand 8 states. [2020-10-23 23:44:17,155 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:44:17,922 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:44:23,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:44:23,220 INFO L93 Difference]: Finished difference Result 4249 states and 5467 transitions. [2020-10-23 23:44:23,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 23:44:23,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-10-23 23:44:23,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:44:23,240 INFO L225 Difference]: With dead ends: 4249 [2020-10-23 23:44:23,240 INFO L226 Difference]: Without dead ends: 3235 [2020-10-23 23:44:23,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-23 23:44:23,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3235 states. [2020-10-23 23:44:24,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3235 to 2309. [2020-10-23 23:44:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2020-10-23 23:44:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2679 transitions. [2020-10-23 23:44:24,488 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2679 transitions. Word has length 205 [2020-10-23 23:44:24,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:44:24,488 INFO L481 AbstractCegarLoop]: Abstraction has 2309 states and 2679 transitions. [2020-10-23 23:44:24,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 23:44:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2679 transitions. [2020-10-23 23:44:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-23 23:44:24,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:44:24,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:44:24,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 23:44:24,495 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:44:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:44:24,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1489797100, now seen corresponding path program 1 times [2020-10-23 23:44:24,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:44:24,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409465150] [2020-10-23 23:44:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:44:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:44:24,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:44:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:44:24,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:44:24,876 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:44:24,876 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:44:24,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 23:44:25,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:44:25 BoogieIcfgContainer [2020-10-23 23:44:25,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:44:25,111 INFO L168 Benchmark]: Toolchain (without parser) took 58248.16 ms. Allocated memory was 162.5 MB in the beginning and 1.0 GB in the end (delta: 853.5 MB). Free memory was 119.1 MB in the beginning and 754.5 MB in the end (delta: -635.4 MB). Peak memory consumption was 218.7 MB. Max. memory is 8.0 GB. [2020-10-23 23:44:25,112 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 136.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:44:25,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.40 ms. Allocated memory is still 162.5 MB. Free memory was 118.5 MB in the beginning and 137.7 MB in the end (delta: -19.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2020-10-23 23:44:25,113 INFO L168 Benchmark]: Boogie Preprocessor took 132.98 ms. Allocated memory is still 162.5 MB. Free memory was 137.7 MB in the beginning and 133.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 23:44:25,114 INFO L168 Benchmark]: RCFGBuilder took 1721.99 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 133.7 MB in the beginning and 106.6 MB in the end (delta: 27.1 MB). Peak memory consumption was 61.4 MB. Max. memory is 8.0 GB. [2020-10-23 23:44:25,115 INFO L168 Benchmark]: TraceAbstraction took 55811.14 ms. Allocated memory was 195.0 MB in the beginning and 1.0 GB in the end (delta: 821.0 MB). Free memory was 106.1 MB in the beginning and 754.5 MB in the end (delta: -648.4 MB). Peak memory consumption was 172.6 MB. Max. memory is 8.0 GB. [2020-10-23 23:44:25,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 136.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 570.40 ms. Allocated memory is still 162.5 MB. Free memory was 118.5 MB in the beginning and 137.7 MB in the end (delta: -19.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 132.98 ms. Allocated memory is still 162.5 MB. Free memory was 137.7 MB in the beginning and 133.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1721.99 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 133.7 MB in the beginning and 106.6 MB in the end (delta: 27.1 MB). Peak memory consumption was 61.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 55811.14 ms. Allocated memory was 195.0 MB in the beginning and 1.0 GB in the end (delta: 821.0 MB). Free memory was 106.1 MB in the beginning and 754.5 MB in the end (delta: -648.4 MB). Peak memory consumption was 172.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L53] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=180, head={182:168}, methaneLevelCritical=149, pumpRunning=0, systemActive=142, waterLevel=145] [L54] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=180, head={182:168}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=145] [L354] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=4, head={182:168}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=145] [L666] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=145] [L864] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=1] [L865] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L430] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L436] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L437] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L479] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L482] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L483] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L437] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L437] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L439] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L441] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L442] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L262] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L268] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L270] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L276] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L278] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L280] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L882] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L883] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L280] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L286] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L288] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L290] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L897] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L290] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L296] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L298] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L300] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L250] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L315] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L61] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L68] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L70] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L116] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L119] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L134] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L90] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L93] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L95] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L213] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L214] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L215] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L219] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L944] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L947] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L951] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L952] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L219] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L219] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L221] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L224] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L226] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L227] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L95] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L95] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L97] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L99] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L144] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L99] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L134] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L70] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L76] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L329] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L330] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L334] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L903] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L906] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L907] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L334] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L334] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L336] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L338] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L168] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L171] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L172] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L338] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L338] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L340] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L342] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L492] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product40.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 641 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 55.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 45.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2067 SDtfs, 4328 SDslu, 4508 SDs, 0 SdLazy, 9161 SolverSat, 1442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 203 SyntacticMatches, 3 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 19.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2309occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 2707 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1623 NumberOfCodeBlocks, 1623 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1405 ConstructedInterpolants, 0 QuantifiedInterpolants, 631145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...