/usr/bin/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:20:36,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:20:36,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:20:37,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:20:37,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:20:37,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:20:37,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:20:37,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:20:37,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:20:37,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:20:37,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:20:37,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:20:37,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:20:37,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:20:37,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:20:37,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:20:37,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:20:37,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:20:37,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:20:37,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:20:37,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:20:37,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:20:37,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:20:37,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:20:37,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:20:37,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:20:37,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:20:37,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:20:37,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:20:37,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:20:37,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:20:37,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:20:37,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:20:37,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:20:37,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:20:37,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:20:37,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:20:37,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:20:37,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:20:37,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:20:37,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:20:37,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:20:37,101 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:20:37,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:20:37,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:20:37,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:20:37,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:20:37,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:20:37,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:20:37,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:20:37,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:20:37,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:20:37,104 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:20:37,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:20:37,104 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:20:37,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:20:37,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:20:37,105 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:20:37,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:20:37,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:20:37,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:20:37,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:20:37,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:20:37,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:20:37,106 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:20:37,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:20:37,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:20:37,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:20:37,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:20:37,394 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:20:37,394 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c [2020-07-07 15:20:37,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1476e3da/9ef27a702d6549c893b969841d9bc6f0/FLAGb9f7ea05c [2020-07-07 15:20:38,009 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:20:38,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c [2020-07-07 15:20:38,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1476e3da/9ef27a702d6549c893b969841d9bc6f0/FLAGb9f7ea05c [2020-07-07 15:20:38,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1476e3da/9ef27a702d6549c893b969841d9bc6f0 [2020-07-07 15:20:38,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:20:38,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:20:38,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:20:38,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:20:38,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:20:38,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:38,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a8793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38, skipping insertion in model container [2020-07-07 15:20:38,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:38,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:20:38,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:20:38,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:20:38,842 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:20:38,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:20:38,970 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:20:38,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38 WrapperNode [2020-07-07 15:20:38,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:20:38,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:20:38,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:20:38,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:20:38,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:38,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:39,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:39,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:39,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:39,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:39,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (1/1) ... [2020-07-07 15:20:39,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:20:39,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:20:39,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:20:39,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:20:39,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (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 [2020-07-07 15:20:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:20:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:20:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 15:20:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 15:20:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 15:20:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 15:20:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 15:20:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 15:20:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 15:20:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 15:20:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 15:20:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 15:20:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 15:20:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 15:20:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 15:20:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 15:20:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 15:20:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 15:20:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 15:20:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:20:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 15:20:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 15:20:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 15:20:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 15:20:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 15:20:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 15:20:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 15:20:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 15:20:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 15:20:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 15:20:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 15:20:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 15:20:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 15:20:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 15:20:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 15:20:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 15:20:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 15:20:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 15:20:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:20:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:20:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 15:20:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 15:20:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 15:20:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 15:20:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 15:20:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 15:20:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 15:20:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 15:20:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 15:20:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 15:20:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 15:20:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 15:20:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 15:20:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 15:20:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 15:20:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 15:20:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:20:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 15:20:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 15:20:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:20:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 15:20:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 15:20:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:20:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 15:20:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 15:20:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:20:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 15:20:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 15:20:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 15:20:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 15:20:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 15:20:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 15:20:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 15:20:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 15:20:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 15:20:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 15:20:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:20:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 15:20:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 15:20:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 15:20:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 15:20:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 15:20:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 15:20:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 15:20:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 15:20:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 15:20:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 15:20:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:20:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 15:20:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:20:40,346 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:20:40,346 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 15:20:40,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:20:40 BoogieIcfgContainer [2020-07-07 15:20:40,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:20:40,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:20:40,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:20:40,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:20:40,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:20:38" (1/3) ... [2020-07-07 15:20:40,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1644a104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:20:40, skipping insertion in model container [2020-07-07 15:20:40,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:20:38" (2/3) ... [2020-07-07 15:20:40,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1644a104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:20:40, skipping insertion in model container [2020-07-07 15:20:40,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:20:40" (3/3) ... [2020-07-07 15:20:40,362 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2020-07-07 15:20:40,374 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:20:40,383 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:20:40,400 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:20:40,425 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:20:40,425 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:20:40,426 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:20:40,426 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:20:40,426 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:20:40,427 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:20:40,427 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:20:40,427 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:20:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-07-07 15:20:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 15:20:40,472 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:20:40,473 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] [2020-07-07 15:20:40,474 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:20:40,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:20:40,482 INFO L82 PathProgramCache]: Analyzing trace with hash 2041023672, now seen corresponding path program 1 times [2020-07-07 15:20:40,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:20:40,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941004268] [2020-07-07 15:20:40,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:20:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:20:40,594 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:20:40,595 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:20:40,600 INFO L168 Benchmark]: Toolchain (without parser) took 2293.37 ms. Allocated memory was 145.2 MB in the beginning and 235.9 MB in the end (delta: 90.7 MB). Free memory was 102.2 MB in the beginning and 152.9 MB in the end (delta: -50.8 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:40,601 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:20:40,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.45 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 171.2 MB in the end (delta: -69.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:40,604 INFO L168 Benchmark]: Boogie Preprocessor took 86.14 ms. Allocated memory is still 202.9 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:40,605 INFO L168 Benchmark]: RCFGBuilder took 1295.28 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 177.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:40,606 INFO L168 Benchmark]: TraceAbstraction took 243.54 ms. Allocated memory is still 235.9 MB. Free memory was 177.5 MB in the beginning and 152.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:20:40,610 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.45 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 171.2 MB in the end (delta: -69.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.14 ms. Allocated memory is still 202.9 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1295.28 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 177.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243.54 ms. Allocated memory is still 235.9 MB. Free memory was 177.5 MB in the beginning and 152.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...