/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_spec3_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:59:31,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:59:31,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:59:31,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:59:31,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:59:31,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:59:31,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:59:31,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:59:31,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:59:31,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:59:31,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:59:31,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:59:31,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:59:31,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:59:31,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:59:31,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:59:31,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:59:31,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:59:31,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:59:31,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:59:31,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:59:31,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:59:31,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:59:31,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:59:31,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:59:31,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:59:31,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:59:31,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:59:31,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:59:31,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:59:31,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:59:31,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:59:31,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:59:31,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:59:31,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:59:31,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:59:31,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:59:31,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:59:31,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:59:31,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:59:31,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:59:31,395 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 23:59:31,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:59:31,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:59:31,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:59:31,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:59:31,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:59:31,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:59:31,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:59:31,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:59:31,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:59:31,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:59:31,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:59:31,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:59:31,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:59:31,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:59:31,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:59:31,425 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:59:31,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:59:31,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:59:31,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:59:31,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:59:31,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:59:31,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:59:31,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:59:31,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:59:31,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:59:31,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:59:31,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:59:31,874 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:59:31,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c [2020-10-23 23:59:31,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6890fe8/006d1d5e7d7e483fb7ff85b7e7b4a421/FLAGd0a10b1fc [2020-10-23 23:59:32,754 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:59:32,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c [2020-10-23 23:59:32,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6890fe8/006d1d5e7d7e483fb7ff85b7e7b4a421/FLAGd0a10b1fc [2020-10-23 23:59:33,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6890fe8/006d1d5e7d7e483fb7ff85b7e7b4a421 [2020-10-23 23:59:33,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:59:33,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:59:33,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:59:33,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:59:33,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:59:33,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588774fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33, skipping insertion in model container [2020-10-23 23:59:33,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:59:33,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:59:33,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:59:33,512 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:59:33,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:59:33,649 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:59:33,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33 WrapperNode [2020-10-23 23:59:33,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:59:33,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:59:33,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:59:33,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:59:33,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (1/1) ... [2020-10-23 23:59:33,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:59:33,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:59:33,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:59:33,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:59:33,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:59:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:59:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:59:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:59:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:59:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:59:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:59:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:59:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:59:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:59:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:59:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:59:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:59:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:59:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:59:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:59:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:59:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 23:59:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:59:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 23:59:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 23:59:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:59:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-23 23:59:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:59:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:59:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:59:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:59:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:59:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 23:59:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 23:59:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 23:59:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:59:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:59:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:59:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:59:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:59:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:59:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:59:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:59:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:59:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:59:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:59:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:59:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:59:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:59:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:59:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:59:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:59:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:59:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:59:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:59:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:59:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:59:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:59:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:59:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:59:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:59:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:59:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:59:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:59:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:59:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:59:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 23:59:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:59:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:59:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:59:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:59:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 23:59:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 23:59:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:59:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 23:59:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 23:59:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 23:59:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:59:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-23 23:59:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:59:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:59:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:59:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:59:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:59:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:59:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:59:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:59:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:59:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:59:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:59:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:59:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:59:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:59:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:59:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:59:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:59:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:59:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:59:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:59:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:59:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:59:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:59:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:59:35,393 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:59:35,394 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:59:35,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:59:35 BoogieIcfgContainer [2020-10-23 23:59:35,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:59:35,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:59:35,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:59:35,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:59:35,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:59:33" (1/3) ... [2020-10-23 23:59:35,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154c300a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:59:35, skipping insertion in model container [2020-10-23 23:59:35,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:59:33" (2/3) ... [2020-10-23 23:59:35,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154c300a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:59:35, skipping insertion in model container [2020-10-23 23:59:35,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:59:35" (3/3) ... [2020-10-23 23:59:35,410 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48.cil.c [2020-10-23 23:59:35,422 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:59:35,427 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:59:35,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:59:35,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:59:35,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:59:35,461 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:59:35,461 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:59:35,461 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:59:35,461 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:59:35,461 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:59:35,462 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:59:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states. [2020-10-23 23:59:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 23:59:35,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:59:35,510 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] [2020-10-23 23:59:35,511 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 23:59:35,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:59:35,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1147865747, now seen corresponding path program 1 times [2020-10-23 23:59:35,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:59:35,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803626857] [2020-10-23 23:59:35,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:59:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,386 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:59:36,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:59:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:59:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:59:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:59:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:59:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:59:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:59:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:59:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:36,615 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 23:59:36,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803626857] [2020-10-23 23:59:36,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:59:36,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:59:36,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617289414] [2020-10-23 23:59:36,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:59:36,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:59:36,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:59:36,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:59:36,643 INFO L87 Difference]: Start difference. First operand 340 states. Second operand 3 states. [2020-10-23 23:59:38,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:59:38,545 INFO L93 Difference]: Finished difference Result 542 states and 646 transitions. [2020-10-23 23:59:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:59:38,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 23:59:38,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:59:38,568 INFO L225 Difference]: With dead ends: 542 [2020-10-23 23:59:38,568 INFO L226 Difference]: Without dead ends: 332 [2020-10-23 23:59:38,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 23:59:38,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-23 23:59:38,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 286. [2020-10-23 23:59:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-23 23:59:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 313 transitions. [2020-10-23 23:59:38,761 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 313 transitions. Word has length 159 [2020-10-23 23:59:38,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:59:38,762 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 313 transitions. [2020-10-23 23:59:38,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:59:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 313 transitions. [2020-10-23 23:59:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 23:59:38,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:59:38,769 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] [2020-10-23 23:59:38,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:59:38,770 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 23:59:38,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:59:38,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1409742219, now seen corresponding path program 1 times [2020-10-23 23:59:38,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:59:38,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715838997] [2020-10-23 23:59:38,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:59:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,294 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:59:39,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:59:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:59:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:59:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:59:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:59:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 23:59:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 23:59:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 23:59:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:39,416 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 23:59:39,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715838997] [2020-10-23 23:59:39,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:59:39,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:59:39,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394214971] [2020-10-23 23:59:39,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:59:39,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:59:39,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:59:39,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:59:39,422 INFO L87 Difference]: Start difference. First operand 286 states and 313 transitions. Second operand 4 states. [2020-10-23 23:59:40,247 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:59:41,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:59:41,629 INFO L93 Difference]: Finished difference Result 446 states and 505 transitions. [2020-10-23 23:59:41,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:59:41,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 23:59:41,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:59:41,641 INFO L225 Difference]: With dead ends: 446 [2020-10-23 23:59:41,641 INFO L226 Difference]: Without dead ends: 315 [2020-10-23 23:59:41,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:59:41,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-23 23:59:41,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 276. [2020-10-23 23:59:41,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-23 23:59:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 300 transitions. [2020-10-23 23:59:41,783 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 300 transitions. Word has length 160 [2020-10-23 23:59:41,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:59:41,784 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 300 transitions. [2020-10-23 23:59:41,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:59:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 300 transitions. [2020-10-23 23:59:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-23 23:59:41,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:59:41,789 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] [2020-10-23 23:59:41,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:59:41,790 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 23:59:41,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:59:41,791 INFO L82 PathProgramCache]: Analyzing trace with hash -947590794, now seen corresponding path program 1 times [2020-10-23 23:59:41,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:59:41,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [88238251] [2020-10-23 23:59:41,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:59:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,351 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:59:42,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:59:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:59:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:59:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:59:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:59:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:59:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:59:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-23 23:59:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-23 23:59:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:42,546 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 23:59:42,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [88238251] [2020-10-23 23:59:42,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:59:42,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:59:42,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30067682] [2020-10-23 23:59:42,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:59:42,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:59:42,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:59:42,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:59:42,557 INFO L87 Difference]: Start difference. First operand 276 states and 300 transitions. Second operand 10 states. [2020-10-23 23:59:43,262 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:59:43,697 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:59:44,094 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:59:44,458 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:59:44,837 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:59:45,200 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:59:46,352 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:59:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:59:49,493 INFO L93 Difference]: Finished difference Result 769 states and 897 transitions. [2020-10-23 23:59:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 23:59:49,494 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-23 23:59:49,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:59:49,501 INFO L225 Difference]: With dead ends: 769 [2020-10-23 23:59:49,501 INFO L226 Difference]: Without dead ends: 608 [2020-10-23 23:59:49,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-23 23:59:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-10-23 23:59:49,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 507. [2020-10-23 23:59:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-23 23:59:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2020-10-23 23:59:49,751 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 173 [2020-10-23 23:59:49,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:59:49,753 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2020-10-23 23:59:49,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:59:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2020-10-23 23:59:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-23 23:59:49,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:59:49,757 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] [2020-10-23 23:59:49,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:59:49,758 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 23:59:49,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:59:49,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1018778722, now seen corresponding path program 1 times [2020-10-23 23:59:49,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:59:49,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337251314] [2020-10-23 23:59:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:59:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,183 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:59:50,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:59:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:59:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:59:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:59:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:59:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-23 23:59:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 23:59:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-23 23:59:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-23 23:59:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:50,401 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 23:59:50,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337251314] [2020-10-23 23:59:50,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:59:50,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:59:50,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142639550] [2020-10-23 23:59:50,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:59:50,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:59:50,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:59:50,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:59:50,407 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 9 states. [2020-10-23 23:59:51,025 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:59:53,346 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:59:53,746 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:59:54,171 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:59:54,642 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:59:55,005 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:59:55,371 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:59:55,730 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:59:57,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:59:57,113 INFO L93 Difference]: Finished difference Result 1380 states and 1666 transitions. [2020-10-23 23:59:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 23:59:57,115 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2020-10-23 23:59:57,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:59:57,123 INFO L225 Difference]: With dead ends: 1380 [2020-10-23 23:59:57,123 INFO L226 Difference]: Without dead ends: 988 [2020-10-23 23:59:57,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-23 23:59:57,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2020-10-23 23:59:57,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 881. [2020-10-23 23:59:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2020-10-23 23:59:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1015 transitions. [2020-10-23 23:59:57,501 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1015 transitions. Word has length 178 [2020-10-23 23:59:57,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:59:57,501 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1015 transitions. [2020-10-23 23:59:57,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:59:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1015 transitions. [2020-10-23 23:59:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-23 23:59:57,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:59:57,507 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] [2020-10-23 23:59:57,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:59:57,507 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 23:59:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:59:57,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1751850335, now seen corresponding path program 1 times [2020-10-23 23:59:57,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:59:57,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450919654] [2020-10-23 23:59:57,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:59:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,890 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:59:57,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:59:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:59:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:59:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:59:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:59:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-23 23:59:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:59:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-23 23:59:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-23 23:59:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:57,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-23 23:59:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:59:58,038 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 23:59:58,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450919654] [2020-10-23 23:59:58,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:59:58,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 23:59:58,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207046157] [2020-10-23 23:59:58,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 23:59:58,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:59:58,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 23:59:58,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 23:59:58,046 INFO L87 Difference]: Start difference. First operand 881 states and 1015 transitions. Second operand 6 states. [2020-10-23 23:59:58,717 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:00:01,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:00:01,569 INFO L93 Difference]: Finished difference Result 2041 states and 2454 transitions. [2020-10-24 00:00:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 00:00:01,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-10-24 00:00:01,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:00:01,580 INFO L225 Difference]: With dead ends: 2041 [2020-10-24 00:00:01,580 INFO L226 Difference]: Without dead ends: 1275 [2020-10-24 00:00:01,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:00:01,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2020-10-24 00:00:02,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1174. [2020-10-24 00:00:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2020-10-24 00:00:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1337 transitions. [2020-10-24 00:00:02,055 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1337 transitions. Word has length 183 [2020-10-24 00:00:02,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:00:02,055 INFO L481 AbstractCegarLoop]: Abstraction has 1174 states and 1337 transitions. [2020-10-24 00:00:02,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 00:00:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1337 transitions. [2020-10-24 00:00:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-24 00:00:02,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:00:02,059 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] [2020-10-24 00:00:02,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:00:02,059 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]=== [2020-10-24 00:00:02,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:00:02,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1195467481, now seen corresponding path program 1 times [2020-10-24 00:00:02,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:00:02,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154206806] [2020-10-24 00:00:02,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:00:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:00:02,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:00:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:00:02,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:00:02,411 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 00:00:02,411 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 00:00:02,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:00:02,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:00:02 BoogieIcfgContainer [2020-10-24 00:00:02,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:00:02,703 INFO L168 Benchmark]: Toolchain (without parser) took 29676.51 ms. Allocated memory was 157.3 MB in the beginning and 549.5 MB in the end (delta: 392.2 MB). Free memory was 133.9 MB in the beginning and 201.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 325.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:00:02,704 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory is still 130.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:00:02,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.27 ms. Allocated memory is still 157.3 MB. Free memory was 133.2 MB in the beginning and 140.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 8.0 GB. [2020-10-24 00:00:02,708 INFO L168 Benchmark]: Boogie Preprocessor took 140.18 ms. Allocated memory is still 157.3 MB. Free memory was 140.9 MB in the beginning and 137.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-24 00:00:02,710 INFO L168 Benchmark]: RCFGBuilder took 1571.32 ms. Allocated memory is still 157.3 MB. Free memory was 137.1 MB in the beginning and 76.8 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 8.0 GB. [2020-10-24 00:00:02,711 INFO L168 Benchmark]: TraceAbstraction took 27302.04 ms. Allocated memory was 157.3 MB in the beginning and 549.5 MB in the end (delta: 392.2 MB). Free memory was 76.3 MB in the beginning and 201.6 MB in the end (delta: -125.3 MB). Peak memory consumption was 266.8 MB. Max. memory is 8.0 GB. [2020-10-24 00:00:02,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory is still 130.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 651.27 ms. Allocated memory is still 157.3 MB. Free memory was 133.2 MB in the beginning and 140.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 140.18 ms. Allocated memory is still 157.3 MB. Free memory was 140.9 MB in the beginning and 137.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1571.32 ms. Allocated memory is still 157.3 MB. Free memory was 137.1 MB in the beginning and 76.8 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27302.04 ms. Allocated memory was 157.3 MB in the beginning and 549.5 MB in the end (delta: 392.2 MB). Free memory was 76.3 MB in the beginning and 201.6 MB in the end (delta: -125.3 MB). Peak memory consumption was 266.8 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: [L131] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=147, cleanupTimeShifts=176, head={182:170}, methaneLevelCritical=151, pumpRunning=142, systemActive=141, waterLevel=1] [L132] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=176, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=147, cleanupTimeShifts=176, head={182:170}, methaneLevelCritical=0, pumpRunning=142, systemActive=141, waterLevel=1] [L231] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=176, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=147, cleanupTimeShifts=176, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=141, waterLevel=1] [L232] int systemActive = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=147, cleanupTimeShifts=176, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L449] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=176, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=147, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L784] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=176, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=147, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] 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] [L524] 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] [L528] 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] [L529] 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] [L530] 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] [L80] 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] [L83] 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] [L84] 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] [L530] 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] [L530] 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] [L532] 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] [L534] 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] [L535] 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] [L517] 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] [L547] 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] [L548] 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] [L549] 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] [L550] 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] [L551] 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] [L554] 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] [L556] 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] [L558] 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] [L564] 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] [L566] 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] [L568] 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] [L149] 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] [L150] 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] [L568] 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] [L574] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L576] COND FALSE !(\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=0, waterLevel=2] [L584] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L586] COND FALSE !(\read(tmp___2)) 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=0, tmp___2=0, waterLevel=2] [L592] tmp___1 = __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=0, tmp___1=1, tmp___2=0, waterLevel=2] [L594] COND TRUE \read(tmp___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, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L596] CALL stopSystem() 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] [L429] COND FALSE !(\read(pumpRunning)) 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] [L436] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L596] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L603] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L238] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L245] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L253] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L93] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L94] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L95] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L99] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L170] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L173] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L174] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L99] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L99] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L101] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L105] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L202] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L205] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L206] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L105] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L105] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L107] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L109] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L362] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L365] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L366] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L109] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L109] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L111] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L115] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L46] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product48.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 656 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 26.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1369 SDtfs, 2323 SDslu, 1809 SDs, 0 SdLazy, 3999 SolverSat, 854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1174occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1036 NumberOfCodeBlocks, 1036 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 848 ConstructedInterpolants, 0 QuantifiedInterpolants, 365418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...