/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_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 00:13:38,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:13:38,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:13:39,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 00:13:39,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 00:13:39,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 00:13:39,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 00:13:39,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 00:13:39,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 00:13:39,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 00:13:39,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 00:13:39,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 00:13:39,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 00:13:39,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 00:13:39,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 00:13:39,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 00:13:39,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 00:13:39,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 00:13:39,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 00:13:39,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 00:13:39,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 00:13:39,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 00:13:39,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 00:13:39,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 00:13:39,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 00:13:39,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 00:13:39,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 00:13:39,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 00:13:39,127 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 00:13:39,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:13:39,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:13:39,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:13:39,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 00:13:39,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:13:39,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 00:13:39,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:13:39,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:13:39,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:13:39,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:13:39,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 00:13:39,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:13:39,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:13:39,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:13:39,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:13:39,163 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:13:39,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:13:39,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:13:39,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:13:39,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:13:39,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:13:39,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:13:39,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-22 00:13:39,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:13:39,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:13:39,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:13:39,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:13:39,595 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:13:39,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2021-02-22 00:13:39,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9595d58c9/b13151addc0b422caafe1ab20cf2301b/FLAG5a8abae11 [2021-02-22 00:13:40,465 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:13:40,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2021-02-22 00:13:40,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9595d58c9/b13151addc0b422caafe1ab20cf2301b/FLAG5a8abae11 [2021-02-22 00:13:40,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9595d58c9/b13151addc0b422caafe1ab20cf2301b [2021-02-22 00:13:40,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:13:40,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:13:40,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:13:40,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:13:40,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:13:40,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:13:40" (1/1) ... [2021-02-22 00:13:40,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598b8a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:40, skipping insertion in model container [2021-02-22 00:13:40,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:13:40" (1/1) ... [2021-02-22 00:13:40,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:13:40,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:13:40,947 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_spec4_product32.cil.c[2243,2256] [2021-02-22 00:13:41,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:13:41,156 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:13:41,177 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_spec4_product32.cil.c[2243,2256] [2021-02-22 00:13:41,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:13:41,327 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:13:41,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41 WrapperNode [2021-02-22 00:13:41,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:13:41,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:13:41,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:13:41,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:13:41,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (1/1) ... [2021-02-22 00:13:41,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (1/1) ... [2021-02-22 00:13:41,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (1/1) ... [2021-02-22 00:13:41,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (1/1) ... [2021-02-22 00:13:41,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (1/1) ... [2021-02-22 00:13:41,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (1/1) ... [2021-02-22 00:13:41,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (1/1) ... [2021-02-22 00:13:41,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:13:41,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:13:41,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:13:41,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:13:41,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (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 00:13:41,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:13:41,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:13:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 00:13:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:13:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2021-02-22 00:13:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 00:13:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 00:13:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 00:13:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 00:13:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 00:13:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 00:13:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 00:13:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 00:13:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 00:13:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:13:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 00:13:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 00:13:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 00:13:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 00:13:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 00:13:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 00:13:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-22 00:13:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 00:13:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 00:13:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 00:13:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 00:13:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 00:13:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 00:13:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 00:13:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 00:13:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-22 00:13:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 00:13:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-22 00:13:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 00:13:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 00:13:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 00:13:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 00:13:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 00:13:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-22 00:13:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-22 00:13:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-22 00:13:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 00:13:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:13:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:13:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:13:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:13:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 00:13:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 00:13:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 00:13:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 00:13:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 00:13:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2021-02-22 00:13:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 00:13:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 00:13:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 00:13:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 00:13:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 00:13:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 00:13:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 00:13:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 00:13:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 00:13:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 00:13:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 00:13:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 00:13:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 00:13:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:13:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 00:13:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 00:13:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 00:13:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-22 00:13:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 00:13:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 00:13:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 00:13:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 00:13:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 00:13:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:13:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 00:13:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 00:13:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:13:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 00:13:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 00:13:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:13:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 00:13:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 00:13:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 00:13:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 00:13:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 00:13:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-22 00:13:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-22 00:13:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 00:13:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 00:13:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-22 00:13:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-22 00:13:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 00:13:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-22 00:13:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:13:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:13:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:13:42,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:13:42,827 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 00:13:42,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:13:42 BoogieIcfgContainer [2021-02-22 00:13:42,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:13:42,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:13:42,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:13:42,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:13:42,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:13:40" (1/3) ... [2021-02-22 00:13:42,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ee5390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:13:42, skipping insertion in model container [2021-02-22 00:13:42,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:13:41" (2/3) ... [2021-02-22 00:13:42,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ee5390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:13:42, skipping insertion in model container [2021-02-22 00:13:42,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:13:42" (3/3) ... [2021-02-22 00:13:42,843 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2021-02-22 00:13:42,851 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:13:42,857 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:13:42,878 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:13:42,906 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:13:42,906 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:13:42,906 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-22 00:13:42,907 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:13:42,907 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:13:42,907 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:13:42,907 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:13:42,907 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:13:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states. [2021-02-22 00:13:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-22 00:13:42,954 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:13:42,955 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 00:13:42,955 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:13:42,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:13:42,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1366188263, now seen corresponding path program 1 times [2021-02-22 00:13:42,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:13:42,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433991085] [2021-02-22 00:13:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:13:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:13:43,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:13:43,211 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 00:13:43,218 INFO L168 Benchmark]: Toolchain (without parser) took 2696.28 ms. Allocated memory was 154.1 MB in the beginning and 192.9 MB in the end (delta: 38.8 MB). Free memory was 129.6 MB in the beginning and 168.1 MB in the end (delta: -38.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 8.0 GB. [2021-02-22 00:13:43,219 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 154.1 MB. Free memory was 128.8 MB in the beginning and 128.3 MB in the end (delta: 433.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:13:43,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.74 ms. Allocated memory is still 154.1 MB. Free memory was 128.6 MB in the beginning and 106.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:13:43,221 INFO L168 Benchmark]: Boogie Preprocessor took 94.07 ms. Allocated memory is still 154.1 MB. Free memory was 106.5 MB in the beginning and 102.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-22 00:13:43,222 INFO L168 Benchmark]: RCFGBuilder took 1407.35 ms. Allocated memory is still 154.1 MB. Free memory was 102.9 MB in the beginning and 78.1 MB in the end (delta: 24.8 MB). Peak memory consumption was 57.3 MB. Max. memory is 8.0 GB. [2021-02-22 00:13:43,223 INFO L168 Benchmark]: TraceAbstraction took 381.53 ms. Allocated memory was 154.1 MB in the beginning and 192.9 MB in the end (delta: 38.8 MB). Free memory was 77.6 MB in the beginning and 168.2 MB in the end (delta: -90.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:13:43,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 154.1 MB. Free memory was 128.8 MB in the beginning and 128.3 MB in the end (delta: 433.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 788.74 ms. Allocated memory is still 154.1 MB. Free memory was 128.6 MB in the beginning and 106.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 94.07 ms. Allocated memory is still 154.1 MB. Free memory was 106.5 MB in the beginning and 102.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1407.35 ms. Allocated memory is still 154.1 MB. Free memory was 102.9 MB in the beginning and 78.1 MB in the end (delta: 24.8 MB). Peak memory consumption was 57.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 381.53 ms. Allocated memory was 154.1 MB in the beginning and 192.9 MB in the end (delta: 38.8 MB). Free memory was 77.6 MB in the beginning and 168.2 MB in the end (delta: -90.6 MB). There was no memory consumed. 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...