java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:24,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:24,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:24,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:24,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:24,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:24,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:24,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:24,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:24,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:24,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:24,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:24,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:24,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:24,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:24,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:24,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:24,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:24,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:24,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:24,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:24,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:24,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:24,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:24,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:24,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:24,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:24,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:24,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:24,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:24,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:24,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:24,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:24,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:24,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:24,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:24,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:24,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:24,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:24,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:24,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:24,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:49:24,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:24,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:24,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:24,205 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:24,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:24,206 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:24,206 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:24,206 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:24,206 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:24,207 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:24,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:24,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:24,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:24,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:24,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:24,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:24,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:24,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:24,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:24,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:24,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:24,212 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:24,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:24,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:24,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:24,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:24,213 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:24,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:24,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:24,214 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:24,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:24,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:24,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:24,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:24,295 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:24,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product28.cil.c [2019-09-10 02:49:24,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/244851452/7c4758b02ba94f0b8bdfbebf54f5fb61/FLAG9f5945471 [2019-09-10 02:49:24,905 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:24,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product28.cil.c [2019-09-10 02:49:24,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/244851452/7c4758b02ba94f0b8bdfbebf54f5fb61/FLAG9f5945471 [2019-09-10 02:49:25,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/244851452/7c4758b02ba94f0b8bdfbebf54f5fb61 [2019-09-10 02:49:25,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:25,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:25,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:25,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:25,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:25,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ad6943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25, skipping insertion in model container [2019-09-10 02:49:25,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,220 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:25,268 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:25,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:25,664 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:25,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:25,847 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:25,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25 WrapperNode [2019-09-10 02:49:25,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:25,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:25,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:25,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:25,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:25,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:25,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:25,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:25,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (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 [2019-09-10 02:49:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:49:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-10 02:49:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-10 02:49:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-10 02:49:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:49:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-10 02:49:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-10 02:49:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-10 02:49:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:49:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:49:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-10 02:49:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-10 02:49:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:27,220 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:27,220 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:27,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:27 BoogieIcfgContainer [2019-09-10 02:49:27,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:27,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:27,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:27,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:27,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:25" (1/3) ... [2019-09-10 02:49:27,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b07ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:27, skipping insertion in model container [2019-09-10 02:49:27,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25" (2/3) ... [2019-09-10 02:49:27,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b07ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:27, skipping insertion in model container [2019-09-10 02:49:27,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:27" (3/3) ... [2019-09-10 02:49:27,232 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2019-09-10 02:49:27,241 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:27,250 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:27,267 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:27,293 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:27,293 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:27,293 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:27,293 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:27,294 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:27,294 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:27,294 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:27,294 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2019-09-10 02:49:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:27,329 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:27,330 INFO L399 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] [2019-09-10 02:49:27,333 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:27,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:27,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1443511359, now seen corresponding path program 1 times [2019-09-10 02:49:27,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:27,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:27,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:27,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:27,396 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:27,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:27,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:27,711 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:27,716 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:27,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:27,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:27,734 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2019-09-10 02:49:27,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:27,763 INFO L93 Difference]: Finished difference Result 131 states and 152 transitions. [2019-09-10 02:49:27,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:27,764 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-10 02:49:27,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:27,778 INFO L225 Difference]: With dead ends: 131 [2019-09-10 02:49:27,778 INFO L226 Difference]: Without dead ends: 120 [2019-09-10 02:49:27,780 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:27,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-09-10 02:49:27,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-09-10 02:49:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-09-10 02:49:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2019-09-10 02:49:27,836 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 52 [2019-09-10 02:49:27,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:27,836 INFO L475 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2019-09-10 02:49:27,836 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:27,837 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2019-09-10 02:49:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 02:49:27,840 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:27,841 INFO L399 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] [2019-09-10 02:49:27,841 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:27,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:27,841 INFO L82 PathProgramCache]: Analyzing trace with hash 880615085, now seen corresponding path program 1 times [2019-09-10 02:49:27,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:27,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:27,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:27,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:27,843 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:27,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:27,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:27,956 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:27,958 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:27,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:27,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:27,959 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 3 states. [2019-09-10 02:49:27,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:27,981 INFO L93 Difference]: Finished difference Result 111 states and 128 transitions. [2019-09-10 02:49:27,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:27,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 02:49:27,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:27,988 INFO L225 Difference]: With dead ends: 111 [2019-09-10 02:49:27,989 INFO L226 Difference]: Without dead ends: 111 [2019-09-10 02:49:27,992 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:27,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-09-10 02:49:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-09-10 02:49:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-09-10 02:49:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2019-09-10 02:49:28,024 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 53 [2019-09-10 02:49:28,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:28,027 INFO L475 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2019-09-10 02:49:28,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2019-09-10 02:49:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-10 02:49:28,033 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:28,033 INFO L399 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] [2019-09-10 02:49:28,033 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:28,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:28,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1617309652, now seen corresponding path program 1 times [2019-09-10 02:49:28,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:28,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:28,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:28,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:28,036 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:28,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:28,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:28,237 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:28,238 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:28,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:28,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:28,239 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 7 states. [2019-09-10 02:49:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:28,767 INFO L93 Difference]: Finished difference Result 254 states and 303 transitions. [2019-09-10 02:49:28,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:28,768 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-10 02:49:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:28,772 INFO L225 Difference]: With dead ends: 254 [2019-09-10 02:49:28,772 INFO L226 Difference]: Without dead ends: 254 [2019-09-10 02:49:28,773 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:49:28,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-09-10 02:49:28,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 242. [2019-09-10 02:49:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-09-10 02:49:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 291 transitions. [2019-09-10 02:49:28,815 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 291 transitions. Word has length 58 [2019-09-10 02:49:28,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:28,816 INFO L475 AbstractCegarLoop]: Abstraction has 242 states and 291 transitions. [2019-09-10 02:49:28,816 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:28,816 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 291 transitions. [2019-09-10 02:49:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-10 02:49:28,829 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:28,829 INFO L399 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] [2019-09-10 02:49:28,829 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:28,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:28,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1904985657, now seen corresponding path program 1 times [2019-09-10 02:49:28,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:28,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:28,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:28,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:28,833 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:28,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:28,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:49:28,998 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:28,998 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:49:28,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:49:28,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:49:28,999 INFO L87 Difference]: Start difference. First operand 242 states and 291 transitions. Second operand 6 states. [2019-09-10 02:49:29,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:29,203 INFO L93 Difference]: Finished difference Result 433 states and 530 transitions. [2019-09-10 02:49:29,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:29,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-10 02:49:29,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:29,209 INFO L225 Difference]: With dead ends: 433 [2019-09-10 02:49:29,209 INFO L226 Difference]: Without dead ends: 433 [2019-09-10 02:49:29,210 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:49:29,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-09-10 02:49:29,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2019-09-10 02:49:29,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-09-10 02:49:29,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 524 transitions. [2019-09-10 02:49:29,242 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 524 transitions. Word has length 63 [2019-09-10 02:49:29,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:29,243 INFO L475 AbstractCegarLoop]: Abstraction has 427 states and 524 transitions. [2019-09-10 02:49:29,243 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:49:29,243 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 524 transitions. [2019-09-10 02:49:29,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-10 02:49:29,246 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:29,246 INFO L399 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] [2019-09-10 02:49:29,247 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:29,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:29,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1824895917, now seen corresponding path program 1 times [2019-09-10 02:49:29,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:29,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:29,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:29,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:29,248 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:29,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:29,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:29,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 02:49:29,321 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:29,322 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 02:49:29,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 02:49:29,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:49:29,322 INFO L87 Difference]: Start difference. First operand 427 states and 524 transitions. Second operand 4 states. [2019-09-10 02:49:29,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:29,463 INFO L93 Difference]: Finished difference Result 325 states and 380 transitions. [2019-09-10 02:49:29,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 02:49:29,464 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2019-09-10 02:49:29,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:29,466 INFO L225 Difference]: With dead ends: 325 [2019-09-10 02:49:29,466 INFO L226 Difference]: Without dead ends: 325 [2019-09-10 02:49:29,467 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:49:29,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-09-10 02:49:29,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 317. [2019-09-10 02:49:29,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-09-10 02:49:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 368 transitions. [2019-09-10 02:49:29,483 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 368 transitions. Word has length 67 [2019-09-10 02:49:29,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:29,483 INFO L475 AbstractCegarLoop]: Abstraction has 317 states and 368 transitions. [2019-09-10 02:49:29,483 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 02:49:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 368 transitions. [2019-09-10 02:49:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-10 02:49:29,485 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:29,485 INFO L399 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] [2019-09-10 02:49:29,486 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:29,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:29,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2047531853, now seen corresponding path program 1 times [2019-09-10 02:49:29,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:29,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:29,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:29,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:29,488 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:30,258 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:49:30,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:49:30 BoogieIcfgContainer [2019-09-10 02:49:30,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:49:30,394 INFO L168 Benchmark]: Toolchain (without parser) took 5190.13 ms. Allocated memory was 134.7 MB in the beginning and 256.9 MB in the end (delta: 122.2 MB). Free memory was 89.7 MB in the beginning and 115.2 MB in the end (delta: -25.5 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:30,395 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:49:30,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.14 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 89.5 MB in the beginning and 166.6 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:30,398 INFO L168 Benchmark]: Boogie Preprocessor took 116.04 ms. Allocated memory is still 201.9 MB. Free memory was 166.6 MB in the beginning and 162.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:30,399 INFO L168 Benchmark]: RCFGBuilder took 1257.14 ms. Allocated memory was 201.9 MB in the beginning and 229.6 MB in the end (delta: 27.8 MB). Free memory was 162.3 MB in the beginning and 196.1 MB in the end (delta: -33.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:30,401 INFO L168 Benchmark]: TraceAbstraction took 3168.90 ms. Allocated memory was 229.6 MB in the beginning and 256.9 MB in the end (delta: 27.3 MB). Free memory was 196.1 MB in the beginning and 115.2 MB in the end (delta: 80.9 MB). Peak memory consumption was 108.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:30,407 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.14 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 89.5 MB in the beginning and 166.6 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.04 ms. Allocated memory is still 201.9 MB. Free memory was 166.6 MB in the beginning and 162.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1257.14 ms. Allocated memory was 201.9 MB in the beginning and 229.6 MB in the end (delta: 27.8 MB). Free memory was 162.3 MB in the beginning and 196.1 MB in the end (delta: -33.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3168.90 ms. Allocated memory was 229.6 MB in the beginning and 256.9 MB in the end (delta: 27.3 MB). Free memory was 196.1 MB in the beginning and 115.2 MB in the end (delta: 80.9 MB). Peak memory consumption was 108.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 545]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L89] int pumpRunning = 0; [L90] int systemActive = 1; [L356] int waterLevel = 1; [L357] int methaneLevelCritical = 0; [L445] int cleanupTimeShifts = 4; [L753] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L518] int retValue_acc ; [L519] 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] [L523] 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] [L524] 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] [L525] 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] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] 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] [L525] 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] [L525] tmp = valid_product() [L527] 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] [L529] 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] [L530] 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] [L512] 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] [L287] int splverifierCounter ; [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L294] 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] [L296] 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] [L298] 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] [L304] tmp = __VERIFIER_nondet_int() [L306] 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=8, waterLevel=1] [L308] 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] [L374] COND TRUE waterLevel < 2 [L375] 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] [L308] 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=8, waterLevel=2] [L314] tmp___0 = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=8, tmp___0=0, waterLevel=2] [L324] tmp___2 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___2)) [L332] tmp___1 = __VERIFIER_nondet_int() [L334] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=8, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L336] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L263] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L270] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L336] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=8, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L343] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L97] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L104] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L112] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L557] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L395] int retValue_acc ; [L398] retValue_acc = methaneLevelCritical [L399] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L557] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L557] tmp = isMethaneLevelCritical() [L559] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L563] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L427] int retValue_acc ; [L430] retValue_acc = waterLevel [L431] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L563] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L563] tmp___0 = getWaterLevel() [L565] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L567] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L567] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L567] tmp___1 = isPumpRunning() [L569] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L573] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L545] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. UNSAFE Result, 3.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 674 SDtfs, 393 SDslu, 1180 SDs, 0 SdLazy, 289 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 26 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 29244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...