/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 03:55:26,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 03:55:26,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 03:55:26,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 03:55:26,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 03:55:26,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 03:55:26,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 03:55:26,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 03:55:26,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 03:55:26,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 03:55:26,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 03:55:26,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 03:55:26,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 03:55:26,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 03:55:26,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 03:55:26,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 03:55:26,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 03:55:26,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 03:55:26,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 03:55:26,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 03:55:26,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 03:55:26,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 03:55:26,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 03:55:26,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 03:55:26,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 03:55:26,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 03:55:26,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 03:55:26,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 03:55:26,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 03:55:26,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 03:55:26,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 03:55:26,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 03:55:26,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 03:55:26,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 03:55:26,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 03:55:26,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 03:55:26,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 03:55:26,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 03:55:26,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 03:55:26,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 03:55:26,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 03:55:26,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 03:55:26,530 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 03:55:26,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 03:55:26,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 03:55:26,533 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 03:55:26,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 03:55:26,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 03:55:26,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 03:55:26,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 03:55:26,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 03:55:26,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 03:55:26,535 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 03:55:26,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 03:55:26,535 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 03:55:26,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 03:55:26,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 03:55:26,536 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 03:55:26,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 03:55:26,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 03:55:26,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 03:55:26,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 03:55:26,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 03:55:26,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 03:55:26,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 03:55:26,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 03:55:26,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 03:55:26,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 03:55:26,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 03:55:26,952 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 03:55:26,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product40.cil.c [2020-11-07 03:55:27,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/012b4044a/4ea8eec6f9304e20b748b0903235fd78/FLAGfa5ce8c5e [2020-11-07 03:55:27,802 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 03:55:27,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product40.cil.c [2020-11-07 03:55:27,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/012b4044a/4ea8eec6f9304e20b748b0903235fd78/FLAGfa5ce8c5e [2020-11-07 03:55:28,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/012b4044a/4ea8eec6f9304e20b748b0903235fd78 [2020-11-07 03:55:28,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 03:55:28,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 03:55:28,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 03:55:28,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 03:55:28,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 03:55:28,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272860bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28, skipping insertion in model container [2020-11-07 03:55:28,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 03:55:28,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 03:55:28,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:55:28,418 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 03:55:28,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:55:28,617 INFO L208 MainTranslator]: Completed translation [2020-11-07 03:55:28,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28 WrapperNode [2020-11-07 03:55:28,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 03:55:28,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 03:55:28,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 03:55:28,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 03:55:28,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (1/1) ... [2020-11-07 03:55:28,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 03:55:28,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 03:55:28,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 03:55:28,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 03:55:28,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (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 [2020-11-07 03:55:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 03:55:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 03:55:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 03:55:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 03:55:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 03:55:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 03:55:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 03:55:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 03:55:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 03:55:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 03:55:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 03:55:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 03:55:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 03:55:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 03:55:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 03:55:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 03:55:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 03:55:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-11-07 03:55:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 03:55:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 03:55:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 03:55:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 03:55:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 03:55:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 03:55:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 03:55:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 03:55:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 03:55:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 03:55:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 03:55:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 03:55:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 03:55:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 03:55:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 03:55:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 03:55:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 03:55:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 03:55:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 03:55:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 03:55:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 03:55:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 03:55:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 03:55:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 03:55:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 03:55:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 03:55:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 03:55:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 03:55:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 03:55:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 03:55:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 03:55:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 03:55:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 03:55:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 03:55:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 03:55:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 03:55:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 03:55:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 03:55:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 03:55:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 03:55:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-11-07 03:55:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 03:55:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 03:55:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 03:55:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 03:55:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 03:55:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 03:55:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 03:55:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 03:55:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 03:55:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 03:55:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 03:55:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 03:55:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 03:55:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 03:55:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 03:55:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 03:55:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 03:55:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 03:55:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 03:55:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 03:55:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 03:55:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 03:55:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 03:55:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 03:55:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 03:55:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 03:55:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 03:55:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 03:55:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 03:55:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 03:55:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 03:55:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 03:55:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 03:55:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 03:55:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 03:55:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 03:55:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 03:55:30,377 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 03:55:30,377 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 03:55:30,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:55:30 BoogieIcfgContainer [2020-11-07 03:55:30,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 03:55:30,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 03:55:30,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 03:55:30,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 03:55:30,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:55:28" (1/3) ... [2020-11-07 03:55:30,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141737f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:55:30, skipping insertion in model container [2020-11-07 03:55:30,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:28" (2/3) ... [2020-11-07 03:55:30,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141737f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:55:30, skipping insertion in model container [2020-11-07 03:55:30,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:55:30" (3/3) ... [2020-11-07 03:55:30,389 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product40.cil.c [2020-11-07 03:55:30,405 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 03:55:30,409 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 03:55:30,421 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 03:55:30,446 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 03:55:30,446 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 03:55:30,446 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 03:55:30,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 03:55:30,446 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 03:55:30,447 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 03:55:30,447 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 03:55:30,447 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 03:55:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-11-07 03:55:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 03:55:30,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:30,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:30,493 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]=== [2020-11-07 03:55:30,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:30,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1406426348, now seen corresponding path program 1 times [2020-11-07 03:55:30,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:30,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197441488] [2020-11-07 03:55:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:31,386 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:31,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:31,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:31,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:31,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:31,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:31,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:55:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:31,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 03:55:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:55:31,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197441488] [2020-11-07 03:55:31,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:31,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 03:55:31,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030826531] [2020-11-07 03:55:31,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 03:55:31,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:31,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 03:55:31,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 03:55:31,603 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 3 states. [2020-11-07 03:55:33,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:33,743 INFO L93 Difference]: Finished difference Result 500 states and 598 transitions. [2020-11-07 03:55:33,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 03:55:33,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 03:55:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:33,763 INFO L225 Difference]: With dead ends: 500 [2020-11-07 03:55:33,763 INFO L226 Difference]: Without dead ends: 310 [2020-11-07 03:55:33,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 03:55:33,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-07 03:55:33,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 266. [2020-11-07 03:55:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-07 03:55:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 290 transitions. [2020-11-07 03:55:33,952 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 290 transitions. Word has length 148 [2020-11-07 03:55:33,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:33,953 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 290 transitions. [2020-11-07 03:55:33,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 03:55:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 290 transitions. [2020-11-07 03:55:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 03:55:33,958 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:33,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:33,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 03:55:33,959 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]=== [2020-11-07 03:55:33,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:33,960 INFO L82 PathProgramCache]: Analyzing trace with hash -106109962, now seen corresponding path program 1 times [2020-11-07 03:55:33,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:33,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817264293] [2020-11-07 03:55:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:34,504 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:34,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:34,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:34,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:34,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:34,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:34,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 03:55:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:34,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:55:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:55:34,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817264293] [2020-11-07 03:55:34,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:34,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 03:55:34,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993558226] [2020-11-07 03:55:34,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 03:55:34,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:34,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 03:55:34,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 03:55:34,652 INFO L87 Difference]: Start difference. First operand 266 states and 290 transitions. Second operand 4 states. [2020-11-07 03:55:35,472 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:55:36,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:36,749 INFO L93 Difference]: Finished difference Result 404 states and 457 transitions. [2020-11-07 03:55:36,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 03:55:36,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 03:55:36,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:36,761 INFO L225 Difference]: With dead ends: 404 [2020-11-07 03:55:36,761 INFO L226 Difference]: Without dead ends: 293 [2020-11-07 03:55:36,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 03:55:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-11-07 03:55:36,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 256. [2020-11-07 03:55:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-11-07 03:55:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 277 transitions. [2020-11-07 03:55:36,912 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 277 transitions. Word has length 149 [2020-11-07 03:55:36,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:36,915 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 277 transitions. [2020-11-07 03:55:36,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 03:55:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 277 transitions. [2020-11-07 03:55:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-07 03:55:36,919 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:36,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:36,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 03:55:36,920 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]=== [2020-11-07 03:55:36,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:36,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1588560830, now seen corresponding path program 1 times [2020-11-07 03:55:36,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:36,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697336762] [2020-11-07 03:55:36,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,565 WARN L194 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:37,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 03:55:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 03:55:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 03:55:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:55:37,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697336762] [2020-11-07 03:55:37,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:37,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:55:37,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146731876] [2020-11-07 03:55:37,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:55:37,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:37,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:55:37,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:55:37,770 INFO L87 Difference]: Start difference. First operand 256 states and 277 transitions. Second operand 10 states. [2020-11-07 03:55:38,423 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:38,905 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:55:39,310 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 03:55:39,669 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:40,057 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:55:40,389 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:41,553 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:55:44,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:44,581 INFO L93 Difference]: Finished difference Result 694 states and 812 transitions. [2020-11-07 03:55:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 03:55:44,583 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-11-07 03:55:44,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:44,590 INFO L225 Difference]: With dead ends: 694 [2020-11-07 03:55:44,591 INFO L226 Difference]: Without dead ends: 553 [2020-11-07 03:55:44,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-11-07 03:55:44,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-11-07 03:55:44,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 456. [2020-11-07 03:55:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-11-07 03:55:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 512 transitions. [2020-11-07 03:55:44,807 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 512 transitions. Word has length 162 [2020-11-07 03:55:44,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:44,807 INFO L481 AbstractCegarLoop]: Abstraction has 456 states and 512 transitions. [2020-11-07 03:55:44,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:55:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 512 transitions. [2020-11-07 03:55:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 03:55:44,811 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:44,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:44,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 03:55:44,812 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]=== [2020-11-07 03:55:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:44,812 INFO L82 PathProgramCache]: Analyzing trace with hash -622039522, now seen corresponding path program 1 times [2020-11-07 03:55:44,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:44,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526588144] [2020-11-07 03:55:44,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,285 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:45,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 03:55:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 03:55:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:55:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:55:45,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526588144] [2020-11-07 03:55:45,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:45,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 03:55:45,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808846784] [2020-11-07 03:55:45,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 03:55:45,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:45,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 03:55:45,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 03:55:45,461 INFO L87 Difference]: Start difference. First operand 456 states and 512 transitions. Second operand 9 states. [2020-11-07 03:55:46,178 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:47,698 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:48,119 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:55:48,707 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:49,136 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:49,572 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:50,071 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:55:50,499 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:51,180 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:55:52,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:52,576 INFO L93 Difference]: Finished difference Result 1255 states and 1513 transitions. [2020-11-07 03:55:52,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 03:55:52,577 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2020-11-07 03:55:52,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:52,585 INFO L225 Difference]: With dead ends: 1255 [2020-11-07 03:55:52,585 INFO L226 Difference]: Without dead ends: 914 [2020-11-07 03:55:52,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-11-07 03:55:52,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-11-07 03:55:52,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 757. [2020-11-07 03:55:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2020-11-07 03:55:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 864 transitions. [2020-11-07 03:55:52,929 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 864 transitions. Word has length 167 [2020-11-07 03:55:52,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:52,929 INFO L481 AbstractCegarLoop]: Abstraction has 757 states and 864 transitions. [2020-11-07 03:55:52,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 03:55:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 864 transitions. [2020-11-07 03:55:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-07 03:55:52,934 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:52,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:52,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 03:55:52,935 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]=== [2020-11-07 03:55:52,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:52,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1623675934, now seen corresponding path program 1 times [2020-11-07 03:55:52,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:52,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023951108] [2020-11-07 03:55:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,372 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:53,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:55:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 03:55:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 03:55:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 03:55:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:55:53,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023951108] [2020-11-07 03:55:53,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:53,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:55:53,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984088772] [2020-11-07 03:55:53,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:55:53,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:53,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:55:53,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:55:53,572 INFO L87 Difference]: Start difference. First operand 757 states and 864 transitions. Second operand 10 states. [2020-11-07 03:55:54,248 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:55,907 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:56,334 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:55:56,737 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:57,128 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:55:57,515 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:58,496 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:58,865 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:59,389 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:00,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:00,935 INFO L93 Difference]: Finished difference Result 1977 states and 2452 transitions. [2020-11-07 03:56:00,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 03:56:00,935 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-11-07 03:56:00,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:00,949 INFO L225 Difference]: With dead ends: 1977 [2020-11-07 03:56:00,950 INFO L226 Difference]: Without dead ends: 1335 [2020-11-07 03:56:00,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 03:56:00,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2020-11-07 03:56:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1067. [2020-11-07 03:56:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-11-07 03:56:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1235 transitions. [2020-11-07 03:56:01,513 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1235 transitions. Word has length 172 [2020-11-07 03:56:01,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:01,514 INFO L481 AbstractCegarLoop]: Abstraction has 1067 states and 1235 transitions. [2020-11-07 03:56:01,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:56:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1235 transitions. [2020-11-07 03:56:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-07 03:56:01,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:01,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:56:01,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 03:56:01,519 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]=== [2020-11-07 03:56:01,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:01,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1114926034, now seen corresponding path program 1 times [2020-11-07 03:56:01,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:01,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921073349] [2020-11-07 03:56:01,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:01,913 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:01,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:01,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:01,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:01,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:01,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:56:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:56:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:56:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:56:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:56:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 03:56:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 03:56:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:56:02,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921073349] [2020-11-07 03:56:02,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:02,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 03:56:02,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939792799] [2020-11-07 03:56:02,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 03:56:02,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:02,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 03:56:02,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 03:56:02,189 INFO L87 Difference]: Start difference. First operand 1067 states and 1235 transitions. Second operand 14 states. [2020-11-07 03:56:02,974 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:03,369 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:56:03,741 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:04,106 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:56:04,477 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:05,784 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:06,186 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:56:06,595 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:07,025 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:56:07,415 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:10,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:10,377 INFO L93 Difference]: Finished difference Result 2648 states and 3401 transitions. [2020-11-07 03:56:10,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 03:56:10,378 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 205 [2020-11-07 03:56:10,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:10,391 INFO L225 Difference]: With dead ends: 2648 [2020-11-07 03:56:10,391 INFO L226 Difference]: Without dead ends: 1696 [2020-11-07 03:56:10,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 03:56:10,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2020-11-07 03:56:10,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1097. [2020-11-07 03:56:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2020-11-07 03:56:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1267 transitions. [2020-11-07 03:56:10,913 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1267 transitions. Word has length 205 [2020-11-07 03:56:10,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:10,914 INFO L481 AbstractCegarLoop]: Abstraction has 1097 states and 1267 transitions. [2020-11-07 03:56:10,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 03:56:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1267 transitions. [2020-11-07 03:56:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-07 03:56:10,919 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:10,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:56:10,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 03:56:10,920 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:56:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1240130418, now seen corresponding path program 1 times [2020-11-07 03:56:10,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:10,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858387047] [2020-11-07 03:56:10,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,328 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:11,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:56:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:56:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:56:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:56:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:56:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 03:56:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 03:56:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:56:11,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858387047] [2020-11-07 03:56:11,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:11,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 03:56:11,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182874264] [2020-11-07 03:56:11,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 03:56:11,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:11,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 03:56:11,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 03:56:11,584 INFO L87 Difference]: Start difference. First operand 1097 states and 1267 transitions. Second operand 11 states. [2020-11-07 03:56:13,384 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:13,799 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:56:14,214 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 03:56:14,620 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:15,054 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:56:15,453 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:17,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:17,666 INFO L93 Difference]: Finished difference Result 2690 states and 3378 transitions. [2020-11-07 03:56:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 03:56:17,667 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-11-07 03:56:17,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:17,678 INFO L225 Difference]: With dead ends: 2690 [2020-11-07 03:56:17,678 INFO L226 Difference]: Without dead ends: 1708 [2020-11-07 03:56:17,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 03:56:17,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2020-11-07 03:56:18,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1129. [2020-11-07 03:56:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-11-07 03:56:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1299 transitions. [2020-11-07 03:56:18,178 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1299 transitions. Word has length 205 [2020-11-07 03:56:18,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:18,179 INFO L481 AbstractCegarLoop]: Abstraction has 1129 states and 1299 transitions. [2020-11-07 03:56:18,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 03:56:18,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1299 transitions. [2020-11-07 03:56:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-07 03:56:18,183 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:18,183 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:56:18,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 03:56:18,184 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:56:18,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:18,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1805420175, now seen corresponding path program 1 times [2020-11-07 03:56:18,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:18,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733189345] [2020-11-07 03:56:18,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,571 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:18,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:56:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:56:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:56:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:56:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:56:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 03:56:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 03:56:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:56:18,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733189345] [2020-11-07 03:56:18,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:18,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 03:56:18,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244332146] [2020-11-07 03:56:18,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 03:56:18,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:18,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 03:56:18,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 03:56:18,800 INFO L87 Difference]: Start difference. First operand 1129 states and 1299 transitions. Second operand 8 states. [2020-11-07 03:56:19,479 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:56:20,270 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:56:25,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:25,837 INFO L93 Difference]: Finished difference Result 4249 states and 5467 transitions. [2020-11-07 03:56:25,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 03:56:25,838 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-11-07 03:56:25,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:25,858 INFO L225 Difference]: With dead ends: 4249 [2020-11-07 03:56:25,859 INFO L226 Difference]: Without dead ends: 3235 [2020-11-07 03:56:25,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-11-07 03:56:25,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3235 states. [2020-11-07 03:56:27,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3235 to 2309. [2020-11-07 03:56:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2020-11-07 03:56:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2679 transitions. [2020-11-07 03:56:27,241 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2679 transitions. Word has length 205 [2020-11-07 03:56:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:27,242 INFO L481 AbstractCegarLoop]: Abstraction has 2309 states and 2679 transitions. [2020-11-07 03:56:27,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 03:56:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2679 transitions. [2020-11-07 03:56:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-07 03:56:27,256 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:27,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:56:27,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 03:56:27,257 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:56:27,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:27,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1489797100, now seen corresponding path program 1 times [2020-11-07 03:56:27,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:27,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873362413] [2020-11-07 03:56:27,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 03:56:27,360 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 03:56:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 03:56:27,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 03:56:27,685 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 03:56:27,685 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 03:56:27,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 03:56:27,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:56:27 BoogieIcfgContainer [2020-11-07 03:56:27,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 03:56:27,998 INFO L168 Benchmark]: Toolchain (without parser) took 59952.80 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 126.5 MB in the beginning and 546.7 MB in the end (delta: -420.2 MB). Peak memory consumption was 371.3 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:27,999 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 126.1 MB in the end (delta: 77.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 03:56:28,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.04 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 104.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:28,000 INFO L168 Benchmark]: Boogie Preprocessor took 187.32 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 132.8 MB in the end (delta: -28.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:28,001 INFO L168 Benchmark]: RCFGBuilder took 1569.85 ms. Allocated memory is still 151.0 MB. Free memory was 132.8 MB in the beginning and 84.4 MB in the end (delta: 48.4 MB). Peak memory consumption was 62.0 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:28,002 INFO L168 Benchmark]: TraceAbstraction took 57614.23 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 84.4 MB in the beginning and 546.7 MB in the end (delta: -462.3 MB). Peak memory consumption was 328.8 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:28,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 126.1 MB in the end (delta: 77.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 567.04 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 104.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 187.32 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 132.8 MB in the end (delta: -28.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1569.85 ms. Allocated memory is still 151.0 MB. Free memory was 132.8 MB in the beginning and 84.4 MB in the end (delta: 48.4 MB). Peak memory consumption was 62.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 57614.23 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 84.4 MB in the beginning and 546.7 MB in the end (delta: -462.3 MB). Peak memory consumption was 328.8 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: [L53] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=180, head={182:168}, methaneLevelCritical=149, pumpRunning=0, systemActive=142, waterLevel=145] [L54] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=180, head={182:168}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=145] [L354] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=4, head={182:168}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=145] [L666] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=145] [L864] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=1] [L865] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=149, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L430] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L436] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L437] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L479] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L482] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L483] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L437] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L437] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L439] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L441] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L442] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L262] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L268] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L270] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L276] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L278] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L280] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L882] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L883] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L280] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L286] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L288] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L290] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L897] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L290] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L296] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L298] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L300] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L250] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L315] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L61] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L68] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L70] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L116] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L119] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L134] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L90] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L93] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L95] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L213] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L214] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L215] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L219] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L944] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L947] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L951] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L952] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L219] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L219] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L221] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L224] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L226] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L227] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L95] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L95] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L97] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L99] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L144] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L99] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L134] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L70] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L76] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L329] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L330] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L334] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L903] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L906] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L907] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L334] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L334] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L336] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L338] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L168] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L171] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L172] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L338] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L338] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L340] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L342] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L492] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product40.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 641 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.2s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 47.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2065 SDtfs, 4328 SDslu, 4494 SDs, 0 SdLazy, 9096 SolverSat, 1452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 203 SyntacticMatches, 3 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2309occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 2707 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1623 NumberOfCodeBlocks, 1623 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1405 ConstructedInterpolants, 0 QuantifiedInterpolants, 631145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...