/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:09:05,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:09:05,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:09:05,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:09:05,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:09:05,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:09:05,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:09:05,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:09:05,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:09:05,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:09:05,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:09:05,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:09:05,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:09:05,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:09:05,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:09:05,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:09:05,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:09:05,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:09:05,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:09:05,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:09:05,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:09:05,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:09:05,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:09:05,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:09:05,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:09:05,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:09:05,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:09:05,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:09:05,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:09:05,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:09:05,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:09:05,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:09:05,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:09:05,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:09:05,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:09:05,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:09:05,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:09:05,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:09:05,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:09:05,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:09:05,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:09:05,612 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 04:09:05,635 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:09:05,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:09:05,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:09:05,640 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:09:05,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:09:05,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:09:05,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:09:05,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:09:05,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:09:05,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:09:05,642 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:09:05,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:09:05,642 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:09:05,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:09:05,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:09:05,643 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:09:05,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:09:05,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:09:05,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:09:05,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:09:05,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:09:05,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:09:05,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:09:06,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:09:06,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:09:06,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:09:06,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:09:06,113 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:09:06,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c [2020-11-07 04:09:06,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1206201/fa225cc8bb57461ea063ad1baccbeb97/FLAG1b9a4ecd1 [2020-11-07 04:09:06,773 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:09:06,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c [2020-11-07 04:09:06,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1206201/fa225cc8bb57461ea063ad1baccbeb97/FLAG1b9a4ecd1 [2020-11-07 04:09:07,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1206201/fa225cc8bb57461ea063ad1baccbeb97 [2020-11-07 04:09:07,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:09:07,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:09:07,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:09:07,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:09:07,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:09:07,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7452841a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07, skipping insertion in model container [2020-11-07 04:09:07,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:09:07,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:09:07,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:09:07,506 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:09:07,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:09:07,662 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:09:07,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07 WrapperNode [2020-11-07 04:09:07,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:09:07,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:09:07,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:09:07,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:09:07,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (1/1) ... [2020-11-07 04:09:07,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:09:07,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:09:07,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:09:07,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:09:07,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (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 04:09:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:09:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:09:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:09:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:09:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:09:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:09:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:09:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:09:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:09:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:09:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:09:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:09:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:09:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:09:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:09:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:09:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:09:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:09:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:09:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:09:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:09:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:09:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:09:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-11-07 04:09:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:09:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:09:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:09:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:09:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:09:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:09:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:09:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:09:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:09:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:09:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:09:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:09:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:09:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:09:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:09:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:09:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:09:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:09:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:09:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:09:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:09:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:09:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:09:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:09:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:09:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:09:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:09:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:09:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:09:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:09:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:09:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:09:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:09:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:09:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:09:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:09:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:09:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:09:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:09:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:09:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:09:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:09:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:09:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:09:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:09:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:09:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:09:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-11-07 04:09:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:09:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:09:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:09:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:09:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:09:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:09:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:09:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:09:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:09:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:09:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:09:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:09:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:09:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:09:09,132 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:09:09,132 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:09:09,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:09:09 BoogieIcfgContainer [2020-11-07 04:09:09,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:09:09,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:09:09,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:09:09,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:09:09,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:09:07" (1/3) ... [2020-11-07 04:09:09,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821c211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:09:09, skipping insertion in model container [2020-11-07 04:09:09,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:09:07" (2/3) ... [2020-11-07 04:09:09,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821c211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:09:09, skipping insertion in model container [2020-11-07 04:09:09,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:09:09" (3/3) ... [2020-11-07 04:09:09,143 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2020-11-07 04:09:09,159 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:09:09,163 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:09:09,176 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:09:09,200 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:09:09,200 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:09:09,200 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:09:09,200 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:09:09,200 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:09:09,201 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:09:09,201 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:09:09,201 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:09:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states. [2020-11-07 04:09:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-07 04:09:09,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:09:09,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:09:09,242 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 04:09:09,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:09:09,249 INFO L82 PathProgramCache]: Analyzing trace with hash -274691021, now seen corresponding path program 1 times [2020-11-07 04:09:09,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:09:09,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [704395011] [2020-11-07 04:09:09,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:09:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,040 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:09:10,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:09:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:09:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:09:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:09:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:09:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:09:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:09:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:09:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:10,252 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 04:09:10,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [704395011] [2020-11-07 04:09:10,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:09:10,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:09:10,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608127402] [2020-11-07 04:09:10,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:09:10,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:09:10,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:09:10,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:09:10,284 INFO L87 Difference]: Start difference. First operand 271 states. Second operand 3 states. [2020-11-07 04:09:11,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:09:11,597 INFO L93 Difference]: Finished difference Result 384 states and 459 transitions. [2020-11-07 04:09:11,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:09:11,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-07 04:09:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:09:11,619 INFO L225 Difference]: With dead ends: 384 [2020-11-07 04:09:11,619 INFO L226 Difference]: Without dead ends: 249 [2020-11-07 04:09:11,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:09:11,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-11-07 04:09:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 211. [2020-11-07 04:09:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-11-07 04:09:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 225 transitions. [2020-11-07 04:09:11,770 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 225 transitions. Word has length 159 [2020-11-07 04:09:11,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:09:11,771 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 225 transitions. [2020-11-07 04:09:11,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:09:11,771 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 225 transitions. [2020-11-07 04:09:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-07 04:09:11,776 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:09:11,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:09:11,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:09:11,777 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 04:09:11,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:09:11,778 INFO L82 PathProgramCache]: Analyzing trace with hash 481147691, now seen corresponding path program 1 times [2020-11-07 04:09:11,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:09:11,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359054544] [2020-11-07 04:09:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:09:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,286 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:09:12,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:09:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:09:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:09:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:09:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:09:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-11-07 04:09:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-07 04:09:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-11-07 04:09:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:12,437 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 04:09:12,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359054544] [2020-11-07 04:09:12,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:09:12,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:09:12,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099099478] [2020-11-07 04:09:12,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:09:12,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:09:12,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:09:12,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:09:12,442 INFO L87 Difference]: Start difference. First operand 211 states and 225 transitions. Second operand 4 states. [2020-11-07 04:09:13,252 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:09:14,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:09:14,044 INFO L93 Difference]: Finished difference Result 294 states and 326 transitions. [2020-11-07 04:09:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:09:14,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-11-07 04:09:14,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:09:14,054 INFO L225 Difference]: With dead ends: 294 [2020-11-07 04:09:14,054 INFO L226 Difference]: Without dead ends: 232 [2020-11-07 04:09:14,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 04:09:14,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-11-07 04:09:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 201. [2020-11-07 04:09:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-11-07 04:09:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 212 transitions. [2020-11-07 04:09:14,126 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 212 transitions. Word has length 160 [2020-11-07 04:09:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:09:14,127 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 212 transitions. [2020-11-07 04:09:14,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:09:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 212 transitions. [2020-11-07 04:09:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-07 04:09:14,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:09:14,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:09:14,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:09:14,131 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 04:09:14,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:09:14,132 INFO L82 PathProgramCache]: Analyzing trace with hash 218643249, now seen corresponding path program 1 times [2020-11-07 04:09:14,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:09:14,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586213173] [2020-11-07 04:09:14,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:09:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,735 WARN L194 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:09:14,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:09:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:09:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:09:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:09:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:09:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 04:09:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:09:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-11-07 04:09:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-11-07 04:09:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:14,936 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 04:09:14,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586213173] [2020-11-07 04:09:14,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:09:14,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:09:14,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226557128] [2020-11-07 04:09:14,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:09:14,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:09:14,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:09:14,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:09:14,940 INFO L87 Difference]: Start difference. First operand 201 states and 212 transitions. Second operand 10 states. [2020-11-07 04:09:15,617 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:09:16,090 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:09:16,477 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:09:16,851 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:09:17,241 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:09:17,577 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:09:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:09:18,951 INFO L93 Difference]: Finished difference Result 340 states and 388 transitions. [2020-11-07 04:09:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:09:18,952 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-11-07 04:09:18,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:09:18,958 INFO L225 Difference]: With dead ends: 340 [2020-11-07 04:09:18,959 INFO L226 Difference]: Without dead ends: 254 [2020-11-07 04:09:18,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:09:18,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-11-07 04:09:19,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 201. [2020-11-07 04:09:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-11-07 04:09:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 211 transitions. [2020-11-07 04:09:19,095 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 211 transitions. Word has length 173 [2020-11-07 04:09:19,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:09:19,097 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 211 transitions. [2020-11-07 04:09:19,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:09:19,097 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 211 transitions. [2020-11-07 04:09:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-07 04:09:19,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:09:19,101 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] [2020-11-07 04:09:19,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:09:19,102 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 04:09:19,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:09:19,102 INFO L82 PathProgramCache]: Analyzing trace with hash -945491948, now seen corresponding path program 1 times [2020-11-07 04:09:19,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:09:19,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530026147] [2020-11-07 04:09:19,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:09:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,588 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:09:19,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:09:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:09:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:09:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:09:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:09:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 04:09:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:09:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:09:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:09:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-11-07 04:09:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:09:19,743 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 04:09:19,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530026147] [2020-11-07 04:09:19,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:09:19,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:09:19,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803313687] [2020-11-07 04:09:19,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:09:19,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:09:19,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:09:19,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:09:19,746 INFO L87 Difference]: Start difference. First operand 201 states and 211 transitions. Second operand 9 states. [2020-11-07 04:09:20,388 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:09:21,933 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:09:22,342 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:09:22,740 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:09:23,138 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:09:23,511 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:09:23,919 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:09:24,285 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:09:24,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:09:24,806 INFO L93 Difference]: Finished difference Result 432 states and 503 transitions. [2020-11-07 04:09:24,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 04:09:24,807 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-11-07 04:09:24,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:09:24,811 INFO L225 Difference]: With dead ends: 432 [2020-11-07 04:09:24,811 INFO L226 Difference]: Without dead ends: 346 [2020-11-07 04:09:24,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:09:24,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-07 04:09:24,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 276. [2020-11-07 04:09:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-11-07 04:09:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 298 transitions. [2020-11-07 04:09:24,941 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 298 transitions. Word has length 176 [2020-11-07 04:09:24,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:09:24,943 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 298 transitions. [2020-11-07 04:09:24,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:09:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 298 transitions. [2020-11-07 04:09:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-07 04:09:24,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:09:24,947 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] [2020-11-07 04:09:24,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:09:24,948 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 04:09:24,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:09:24,948 INFO L82 PathProgramCache]: Analyzing trace with hash -650069955, now seen corresponding path program 1 times [2020-11-07 04:09:24,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:09:24,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530163604] [2020-11-07 04:09:24,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:09:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:09:25,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:09:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:09:25,145 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:09:25,463 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:09:25,464 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:09:25,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:09:25,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:09:25 BoogieIcfgContainer [2020-11-07 04:09:25,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:09:25,765 INFO L168 Benchmark]: Toolchain (without parser) took 18681.13 ms. Allocated memory was 155.2 MB in the beginning and 406.8 MB in the end (delta: 251.7 MB). Free memory was 130.9 MB in the beginning and 311.0 MB in the end (delta: -180.2 MB). Peak memory consumption was 203.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:09:25,768 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 105.8 MB in the beginning and 105.7 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:09:25,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.09 ms. Allocated memory is still 155.2 MB. Free memory was 130.3 MB in the beginning and 110.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-07 04:09:25,775 INFO L168 Benchmark]: Boogie Preprocessor took 145.30 ms. Allocated memory is still 155.2 MB. Free memory was 110.4 MB in the beginning and 136.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 8.0 GB. [2020-11-07 04:09:25,776 INFO L168 Benchmark]: RCFGBuilder took 1325.10 ms. Allocated memory is still 155.2 MB. Free memory was 136.6 MB in the beginning and 75.5 MB in the end (delta: 61.1 MB). Peak memory consumption was 63.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:09:25,780 INFO L168 Benchmark]: TraceAbstraction took 16626.38 ms. Allocated memory was 155.2 MB in the beginning and 406.8 MB in the end (delta: 251.7 MB). Free memory was 75.0 MB in the beginning and 311.0 MB in the end (delta: -236.1 MB). Peak memory consumption was 146.1 MB. Max. memory is 8.0 GB. [2020-11-07 04:09:25,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 105.8 MB in the beginning and 105.7 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 574.09 ms. Allocated memory is still 155.2 MB. Free memory was 130.3 MB in the beginning and 110.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.30 ms. Allocated memory is still 155.2 MB. Free memory was 110.4 MB in the beginning and 136.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1325.10 ms. Allocated memory is still 155.2 MB. Free memory was 136.6 MB in the beginning and 75.5 MB in the end (delta: 61.1 MB). Peak memory consumption was 63.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16626.38 ms. Allocated memory was 155.2 MB in the beginning and 406.8 MB in the end (delta: 251.7 MB). Free memory was 75.0 MB in the beginning and 311.0 MB in the end (delta: -236.1 MB). Peak memory consumption was 146.1 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: [L258] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=164, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=145, pumpRunning=133, systemActive=132, waterLevel=138] [L464] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=164, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=132, waterLevel=138] [L465] int systemActive = 1; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=164, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=138] [L685] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=164, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=138] [L781] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=164, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L782] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=179, \old(head)=164, \old(head)=182, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L758] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L759] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L764] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L765] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L75] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L765] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L765] tmp = valid_product() VAL [\old(methaneLevelCritical)=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] [L767] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L769] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L770] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L752] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L619] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L620] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L621] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L622] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L626] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L628] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L630] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L636] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=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] [L638] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L640] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L800] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L640] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L646] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L648] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L656] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L658] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L660] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L575] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L660] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L673] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L472] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L481] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L487] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L583] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L584] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L588] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L820] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L823] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L824] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L588] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L588] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L590] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L594] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L856] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L594] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L594] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L596] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L598] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L527] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L530] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L531] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L598] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L598] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L600] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L604] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product02.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 595 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 16.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 780 SDtfs, 997 SDslu, 1216 SDs, 0 SdLazy, 1889 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=276occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 192 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 849 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 272256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...