/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 23:41:17,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 23:41:17,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 23:41:17,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 23:41:17,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 23:41:17,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 23:41:17,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 23:41:17,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 23:41:17,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 23:41:17,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 23:41:17,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 23:41:17,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 23:41:17,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 23:41:17,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 23:41:17,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 23:41:17,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 23:41:17,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 23:41:17,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 23:41:17,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 23:41:17,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 23:41:17,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 23:41:17,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 23:41:17,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 23:41:17,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 23:41:17,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 23:41:17,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 23:41:17,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 23:41:17,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 23:41:17,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 23:41:17,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 23:41:17,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 23:41:17,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 23:41:17,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 23:41:17,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 23:41:17,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 23:41:17,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 23:41:17,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 23:41:17,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 23:41:17,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 23:41:17,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 23:41:17,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 23:41:17,157 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 23:41:17,185 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 23:41:17,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 23:41:17,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 23:41:17,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 23:41:17,187 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 23:41:17,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 23:41:17,188 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 23:41:17,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 23:41:17,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 23:41:17,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 23:41:17,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 23:41:17,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 23:41:17,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 23:41:17,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 23:41:17,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 23:41:17,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 23:41:17,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 23:41:17,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 23:41:17,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 23:41:17,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 23:41:17,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 23:41:17,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 23:41:17,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 23:41:17,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 23:41:17,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 23:41:17,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 23:41:17,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 23:41:17,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 23:41:17,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 23:41:17,193 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 -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-27 23:41:18,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 23:41:18,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 23:41:18,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 23:41:18,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 23:41:18,149 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 23:41:18,150 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-08-27 23:41:18,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8cca2c03/ebecec8c25d5497083018905e5f92ba9/FLAG0d8138104 [2020-08-27 23:41:18,952 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 23:41:18,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-08-27 23:41:18,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8cca2c03/ebecec8c25d5497083018905e5f92ba9/FLAG0d8138104 [2020-08-27 23:41:19,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8cca2c03/ebecec8c25d5497083018905e5f92ba9 [2020-08-27 23:41:19,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 23:41:19,161 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 23:41:19,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 23:41:19,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 23:41:19,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 23:41:19,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:19,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19, skipping insertion in model container [2020-08-27 23:41:19,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:19,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 23:41:19,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 23:41:19,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 23:41:19,656 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 23:41:19,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 23:41:19,908 INFO L208 MainTranslator]: Completed translation [2020-08-27 23:41:19,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19 WrapperNode [2020-08-27 23:41:19,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 23:41:19,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 23:41:19,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 23:41:19,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 23:41:19,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:19,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:19,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:19,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:19,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:19,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:20,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (1/1) ... [2020-08-27 23:41:20,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 23:41:20,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 23:41:20,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 23:41:20,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 23:41:20,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (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 23:41:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 23:41:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 23:41:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-27 23:41:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-27 23:41:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-27 23:41:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-27 23:41:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-27 23:41:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-27 23:41:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-27 23:41:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-27 23:41:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-27 23:41:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-27 23:41:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-27 23:41:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-27 23:41:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-27 23:41:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-27 23:41:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-27 23:41:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-27 23:41:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-27 23:41:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-27 23:41:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-27 23:41:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-27 23:41:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-27 23:41:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-27 23:41:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-27 23:41:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-27 23:41:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-27 23:41:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-27 23:41:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-27 23:41:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-27 23:41:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-27 23:41:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-27 23:41:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-27 23:41:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-27 23:41:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-27 23:41:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-27 23:41:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-27 23:41:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 23:41:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-27 23:41:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 23:41:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 23:41:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-27 23:41:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-27 23:41:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-27 23:41:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-27 23:41:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-27 23:41:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-27 23:41:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-27 23:41:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-27 23:41:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-27 23:41:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-27 23:41:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-27 23:41:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-27 23:41:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-27 23:41:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-27 23:41:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-27 23:41:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-27 23:41:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-27 23:41:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-27 23:41:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-27 23:41:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-27 23:41:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-27 23:41:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-27 23:41:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-27 23:41:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-27 23:41:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-27 23:41:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-27 23:41:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-27 23:41:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-27 23:41:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-27 23:41:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-27 23:41:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-27 23:41:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-27 23:41:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-27 23:41:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-27 23:41:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-27 23:41:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-27 23:41:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-27 23:41:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-27 23:41:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-27 23:41:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-27 23:41:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-27 23:41:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-27 23:41:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-27 23:41:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-27 23:41:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-27 23:41:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-27 23:41:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-27 23:41:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 23:41:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 23:41:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-27 23:41:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 23:41:21,311 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 23:41:21,311 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-27 23:41:21,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:41:21 BoogieIcfgContainer [2020-08-27 23:41:21,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 23:41:21,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 23:41:21,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 23:41:21,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 23:41:21,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:41:19" (1/3) ... [2020-08-27 23:41:21,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352d9eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:41:21, skipping insertion in model container [2020-08-27 23:41:21,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:41:19" (2/3) ... [2020-08-27 23:41:21,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352d9eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:41:21, skipping insertion in model container [2020-08-27 23:41:21,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:41:21" (3/3) ... [2020-08-27 23:41:21,327 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-08-27 23:41:21,340 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 23:41:21,351 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 23:41:21,372 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 23:41:21,403 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 23:41:21,403 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 23:41:21,403 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 23:41:21,403 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 23:41:21,403 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 23:41:21,403 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 23:41:21,404 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 23:41:21,404 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 23:41:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-08-27 23:41:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-27 23:41:21,444 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 23:41:21,446 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] [2020-08-27 23:41:21,446 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 23:41:21,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 23:41:21,453 INFO L82 PathProgramCache]: Analyzing trace with hash -841254379, now seen corresponding path program 1 times [2020-08-27 23:41:21,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 23:41:21,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644071347] [2020-08-27 23:41:21,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 23:41:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 23:41:21,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 23:41:21,763 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 23:41:21,770 INFO L168 Benchmark]: Toolchain (without parser) took 2608.16 ms. Allocated memory was 146.3 MB in the beginning and 234.9 MB in the end (delta: 88.6 MB). Free memory was 101.4 MB in the beginning and 177.6 MB in the end (delta: -76.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-08-27 23:41:21,772 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-27 23:41:21,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.62 ms. Allocated memory was 146.3 MB in the beginning and 201.3 MB in the end (delta: 55.1 MB). Free memory was 101.2 MB in the beginning and 171.0 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-08-27 23:41:21,774 INFO L168 Benchmark]: Boogie Preprocessor took 100.31 ms. Allocated memory is still 201.3 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-27 23:41:21,775 INFO L168 Benchmark]: RCFGBuilder took 1307.71 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 166.9 MB in the beginning and 196.7 MB in the end (delta: -29.8 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-08-27 23:41:21,776 INFO L168 Benchmark]: TraceAbstraction took 447.84 ms. Allocated memory is still 234.9 MB. Free memory was 196.7 MB in the beginning and 177.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-08-27 23:41:21,781 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.62 ms. Allocated memory was 146.3 MB in the beginning and 201.3 MB in the end (delta: 55.1 MB). Free memory was 101.2 MB in the beginning and 171.0 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.31 ms. Allocated memory is still 201.3 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1307.71 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 166.9 MB in the beginning and 196.7 MB in the end (delta: -29.8 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 447.84 ms. Allocated memory is still 234.9 MB. Free memory was 196.7 MB in the beginning and 177.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 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...