/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 22:32:44,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 22:32:44,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 22:32:44,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 22:32:44,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 22:32:44,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 22:32:44,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 22:32:44,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 22:32:44,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 22:32:44,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 22:32:44,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 22:32:44,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 22:32:44,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 22:32:44,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 22:32:44,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 22:32:44,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 22:32:44,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 22:32:44,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 22:32:44,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 22:32:44,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 22:32:44,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 22:32:44,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 22:32:44,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 22:32:44,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 22:32:44,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 22:32:44,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 22:32:44,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 22:32:44,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 22:32:44,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 22:32:44,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 22:32:44,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 22:32:44,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 22:32:44,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 22:32:44,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 22:32:44,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 22:32:44,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 22:32:44,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 22:32:44,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 22:32:44,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 22:32:44,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 22:32:44,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 22:32:44,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-27 22:32:44,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 22:32:44,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 22:32:44,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 22:32:44,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 22:32:44,869 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 22:32:44,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 22:32:44,869 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 22:32:44,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 22:32:44,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 22:32:44,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 22:32:44,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 22:32:44,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 22:32:44,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 22:32:44,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 22:32:44,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 22:32:44,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 22:32:44,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 22:32:44,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 22:32:44,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 22:32:44,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 22:32:44,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 22:32:44,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 22:32:44,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 22:32:44,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 22:32:44,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 22:32:44,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 22:32:44,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 22:32:44,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 22:32:44,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 22:32:44,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> log-additional-information=true; [2020-08-27 22:32:45,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 22:32:45,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 22:32:45,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 22:32:45,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 22:32:45,426 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 22:32:45,428 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-08-27 22:32:45,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da504cf60/5875213230194049ba1ccb4711a551ff/FLAG88bb95547 [2020-08-27 22:32:46,107 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 22:32:46,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-08-27 22:32:46,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da504cf60/5875213230194049ba1ccb4711a551ff/FLAG88bb95547 [2020-08-27 22:32:46,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da504cf60/5875213230194049ba1ccb4711a551ff [2020-08-27 22:32:46,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 22:32:46,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 22:32:46,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 22:32:46,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 22:32:46,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 22:32:46,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:32:46" (1/1) ... [2020-08-27 22:32:46,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:46, skipping insertion in model container [2020-08-27 22:32:46,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:32:46" (1/1) ... [2020-08-27 22:32:46,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 22:32:46,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 22:32:46,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 22:32:46,896 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 22:32:47,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 22:32:47,169 INFO L208 MainTranslator]: Completed translation [2020-08-27 22:32:47,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47 WrapperNode [2020-08-27 22:32:47,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 22:32:47,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 22:32:47,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 22:32:47,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 22:32:47,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (1/1) ... [2020-08-27 22:32:47,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (1/1) ... [2020-08-27 22:32:47,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (1/1) ... [2020-08-27 22:32:47,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (1/1) ... [2020-08-27 22:32:47,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (1/1) ... [2020-08-27 22:32:47,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (1/1) ... [2020-08-27 22:32:47,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (1/1) ... [2020-08-27 22:32:47,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 22:32:47,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 22:32:47,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 22:32:47,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 22:32:47,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-27 22:32:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 22:32:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 22:32:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-27 22:32:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-27 22:32:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-27 22:32:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-27 22:32:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-27 22:32:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-27 22:32:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-27 22:32:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-27 22:32:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-27 22:32:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-27 22:32:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-27 22:32:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-27 22:32:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-27 22:32:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-27 22:32:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-27 22:32:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-27 22:32:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-27 22:32:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-27 22:32:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-27 22:32:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-27 22:32:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-27 22:32:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-27 22:32:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-27 22:32:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-27 22:32:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-27 22:32:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-27 22:32:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-27 22:32:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-27 22:32:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-27 22:32:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-27 22:32:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-27 22:32:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-27 22:32:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-27 22:32:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-27 22:32:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-27 22:32:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-27 22:32:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-27 22:32:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-27 22:32:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-27 22:32:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-27 22:32:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-27 22:32:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-27 22:32:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 22:32:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 22:32:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 22:32:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-27 22:32:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-27 22:32:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-27 22:32:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-27 22:32:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-27 22:32:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-27 22:32:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-27 22:32:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-27 22:32:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-27 22:32:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-27 22:32:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-27 22:32:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-27 22:32:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-27 22:32:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-27 22:32:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-27 22:32:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-27 22:32:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-27 22:32:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-27 22:32:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-27 22:32:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-27 22:32:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-27 22:32:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-27 22:32:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-27 22:32:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-27 22:32:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-27 22:32:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-27 22:32:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-27 22:32:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-27 22:32:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-27 22:32:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-27 22:32:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-27 22:32:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-27 22:32:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-27 22:32:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-27 22:32:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-27 22:32:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-27 22:32:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-27 22:32:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-27 22:32:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-27 22:32:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-27 22:32:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-27 22:32:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-27 22:32:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-27 22:32:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-27 22:32:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-27 22:32:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-27 22:32:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-27 22:32:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-27 22:32:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-27 22:32:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-27 22:32:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-27 22:32:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-27 22:32:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-27 22:32:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 22:32:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 22:32:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-27 22:32:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 22:32:48,520 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 22:32:48,521 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-27 22:32:48,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:32:48 BoogieIcfgContainer [2020-08-27 22:32:48,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 22:32:48,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 22:32:48,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 22:32:48,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 22:32:48,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 10:32:46" (1/3) ... [2020-08-27 22:32:48,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d4dd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:32:48, skipping insertion in model container [2020-08-27 22:32:48,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:32:47" (2/3) ... [2020-08-27 22:32:48,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d4dd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:32:48, skipping insertion in model container [2020-08-27 22:32:48,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:32:48" (3/3) ... [2020-08-27 22:32:48,545 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-08-27 22:32:48,557 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 22:32:48,570 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 22:32:48,596 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 22:32:48,626 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 22:32:48,626 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 22:32:48,626 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 22:32:48,627 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 22:32:48,627 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 22:32:48,627 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 22:32:48,627 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 22:32:48,627 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 22:32:48,655 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-08-27 22:32:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-27 22:32:48,669 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 22:32:48,670 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 22:32:48,671 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 22:32:48,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 22:32:48,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1747867680, now seen corresponding path program 1 times [2020-08-27 22:32:48,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 22:32:48,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764333730] [2020-08-27 22:32:48,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 22:32:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 22:32:48,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 22:32:48,973 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) 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: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) [2020-08-27 22:32:48,981 INFO L168 Benchmark]: Toolchain (without parser) took 2563.78 ms. Allocated memory was 146.8 MB in the beginning and 237.0 MB in the end (delta: 90.2 MB). Free memory was 101.9 MB in the beginning and 173.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2020-08-27 22:32:48,983 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-27 22:32:48,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.36 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 171.7 MB in the end (delta: -70.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2020-08-27 22:32:48,995 INFO L168 Benchmark]: Boogie Preprocessor took 103.86 ms. Allocated memory is still 203.4 MB. Free memory was 171.7 MB in the beginning and 167.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-27 22:32:48,996 INFO L168 Benchmark]: RCFGBuilder took 1256.94 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.9 MB in the beginning and 194.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-08-27 22:32:48,998 INFO L168 Benchmark]: TraceAbstraction took 441.04 ms. Allocated memory is still 237.0 MB. Free memory was 194.2 MB in the beginning and 173.7 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-08-27 22:32:49,008 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.36 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 171.7 MB in the end (delta: -70.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.86 ms. Allocated memory is still 203.4 MB. Free memory was 171.7 MB in the beginning and 167.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1256.94 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.9 MB in the beginning and 194.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 441.04 ms. Allocated memory is still 237.0 MB. Free memory was 194.2 MB in the beginning and 173.7 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...