/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 00:12:11,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:12:11,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:12:12,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 00:12:12,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 00:12:12,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 00:12:12,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 00:12:12,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 00:12:12,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 00:12:12,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 00:12:12,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 00:12:12,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 00:12:12,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 00:12:12,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 00:12:12,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 00:12:12,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 00:12:12,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 00:12:12,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 00:12:12,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 00:12:12,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 00:12:12,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-22 00:12:12,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:12:12,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:12:12,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:12:12,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 00:12:12,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:12:12,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 00:12:12,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:12:12,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:12:12,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:12:12,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:12:12,159 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 00:12:12,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:12:12,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:12:12,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:12:12,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:12:12,160 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:12:12,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:12:12,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:12:12,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:12:12,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:12:12,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:12:12,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:12:12,162 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-22 00:12:12,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:12:12,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:12:12,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:12:12,660 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:12:12,660 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:12:12,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product37.cil.c [2021-02-22 00:12:12,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c115952f4/3f9bca0e0912418e8b8d5b4b69f3f0a6/FLAG483b4fac6 [2021-02-22 00:12:13,616 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:12:13,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product37.cil.c [2021-02-22 00:12:13,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c115952f4/3f9bca0e0912418e8b8d5b4b69f3f0a6/FLAG483b4fac6 [2021-02-22 00:12:13,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c115952f4/3f9bca0e0912418e8b8d5b4b69f3f0a6 [2021-02-22 00:12:13,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:12:13,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:12:13,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:12:13,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:12:13,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:12:13,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:12:13" (1/1) ... [2021-02-22 00:12:13,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab15ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:13, skipping insertion in model container [2021-02-22 00:12:13,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:12:13" (1/1) ... [2021-02-22 00:12:13,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:12:13,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:12:14,252 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product37.cil.c[12699,12712] [2021-02-22 00:12:14,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:12:14,362 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:12:14,478 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product37.cil.c[12699,12712] [2021-02-22 00:12:14,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:12:14,559 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:12:14,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14 WrapperNode [2021-02-22 00:12:14,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:12:14,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:12:14,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:12:14,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:12:14,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (1/1) ... [2021-02-22 00:12:14,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (1/1) ... [2021-02-22 00:12:14,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (1/1) ... [2021-02-22 00:12:14,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (1/1) ... [2021-02-22 00:12:14,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (1/1) ... [2021-02-22 00:12:14,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (1/1) ... [2021-02-22 00:12:14,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (1/1) ... [2021-02-22 00:12:14,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:12:14,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:12:14,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:12:14,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:12:14,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (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 [2021-02-22 00:12:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:12:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:12:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 00:12:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:12:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 00:12:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 00:12:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 00:12:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 00:12:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 00:12:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 00:12:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 00:12:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 00:12:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 00:12:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 00:12:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:12:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-22 00:12:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 00:12:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 00:12:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 00:12:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 00:12:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 00:12:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 00:12:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 00:12:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 00:12:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 00:12:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 00:12:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 00:12:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 00:12:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 00:12:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 00:12:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-22 00:12:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 00:12:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 00:12:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 00:12:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 00:12:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 00:12:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 00:12:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 00:12:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-22 00:12:14,779 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:12:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:12:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:12:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:12:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 00:12:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 00:12:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 00:12:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 00:12:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 00:12:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 00:12:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 00:12:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:12:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 00:12:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 00:12:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:12:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 00:12:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 00:12:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:12:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 00:12:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 00:12:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 00:12:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 00:12:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 00:12:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 00:12:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 00:12:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 00:12:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 00:12:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 00:12:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 00:12:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 00:12:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 00:12:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 00:12:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 00:12:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:12:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 00:12:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 00:12:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 00:12:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-22 00:12:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 00:12:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 00:12:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 00:12:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-22 00:12:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 00:12:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 00:12:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 00:12:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 00:12:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-22 00:12:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 00:12:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 00:12:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 00:12:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:12:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:12:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:12:15,992 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:12:15,992 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 00:12:15,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:12:15 BoogieIcfgContainer [2021-02-22 00:12:15,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:12:15,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:12:15,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:12:16,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:12:16,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:12:13" (1/3) ... [2021-02-22 00:12:16,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7151ae0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:12:16, skipping insertion in model container [2021-02-22 00:12:16,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:12:14" (2/3) ... [2021-02-22 00:12:16,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7151ae0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:12:16, skipping insertion in model container [2021-02-22 00:12:16,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:12:15" (3/3) ... [2021-02-22 00:12:16,006 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product37.cil.c [2021-02-22 00:12:16,013 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:12:16,019 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:12:16,041 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:12:16,067 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:12:16,067 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:12:16,068 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-22 00:12:16,068 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:12:16,068 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:12:16,068 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:12:16,068 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:12:16,068 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:12:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states. [2021-02-22 00:12:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-22 00:12:16,117 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:12:16,118 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] [2021-02-22 00:12:16,119 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:12:16,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:12:16,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1627698146, now seen corresponding path program 1 times [2021-02-22 00:12:16,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:12:16,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760625936] [2021-02-22 00:12:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:12:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:12:16,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:12:16,320 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Proofs are not supported at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) 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:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 00:12:16,331 INFO L168 Benchmark]: Toolchain (without parser) took 2454.42 ms. Allocated memory is still 154.1 MB. Free memory was 129.8 MB in the beginning and 68.1 MB in the end (delta: 61.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. [2021-02-22 00:12:16,332 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 154.1 MB. Free memory is still 128.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:12:16,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.53 ms. Allocated memory is still 154.1 MB. Free memory was 128.7 MB in the beginning and 108.1 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:12:16,338 INFO L168 Benchmark]: Boogie Preprocessor took 112.20 ms. Allocated memory is still 154.1 MB. Free memory was 108.1 MB in the beginning and 136.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 8.0 GB. [2021-02-22 00:12:16,340 INFO L168 Benchmark]: RCFGBuilder took 1321.99 ms. Allocated memory is still 154.1 MB. Free memory was 136.1 MB in the beginning and 94.9 MB in the end (delta: 41.3 MB). Peak memory consumption was 67.5 MB. Max. memory is 8.0 GB. [2021-02-22 00:12:16,341 INFO L168 Benchmark]: TraceAbstraction took 328.43 ms. Allocated memory is still 154.1 MB. Free memory was 94.4 MB in the beginning and 68.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-02-22 00:12:16,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 154.1 MB. Free memory is still 128.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 672.53 ms. Allocated memory is still 154.1 MB. Free memory was 128.7 MB in the beginning and 108.1 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.20 ms. Allocated memory is still 154.1 MB. Free memory was 108.1 MB in the beginning and 136.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1321.99 ms. Allocated memory is still 154.1 MB. Free memory was 136.1 MB in the beginning and 94.9 MB in the end (delta: 41.3 MB). Peak memory consumption was 67.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 328.43 ms. Allocated memory is still 154.1 MB. Free memory was 94.4 MB in the beginning and 68.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Proofs are not supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Proofs are not supported: de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...