/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=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_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:46:37,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:46:37,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:46:37,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:46:37,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:46:37,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:46:37,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:46:37,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:46:37,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:46:37,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:46:37,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:46:37,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:46:37,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:46:37,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:46:37,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:46:37,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:46:37,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:46:37,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:46:37,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:46:37,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:46:37,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:46:37,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:46:37,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:46:37,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:46:37,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:46:37,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:46:37,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:46:37,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:46:37,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:46:37,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:46:37,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:46:37,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:46:37,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:46:37,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:46:37,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:46:37,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:46:37,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:46:37,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:46:37,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:46:37,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:46:37,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:46:37,402 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 [2020-09-24 16:46:37,426 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:46:37,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:46:37,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:46:37,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:46:37,428 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:46:37,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:46:37,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:46:37,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:46:37,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:46:37,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:46:37,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:46:37,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:46:37,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:46:37,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:46:37,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:46:37,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:46:37,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:46:37,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:46:37,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:46:37,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:46:37,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:46:37,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:46:37,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:46:37,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:46:37,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:46:37,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:46:37,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:46:37,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:46:37,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:46:37,433 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.rcfgbuilder: Size of a code block -> SingleStatement 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 -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; [2020-09-24 16:46:37,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:46:37,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:46:37,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:46:37,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:46:37,898 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:46:37,899 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2020-09-24 16:46:37,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71a0255f0/4c1954bad3244eb7820f74f4d78f01ab/FLAG23578c3c5 [2020-09-24 16:46:38,552 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:46:38,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2020-09-24 16:46:38,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71a0255f0/4c1954bad3244eb7820f74f4d78f01ab/FLAG23578c3c5 [2020-09-24 16:46:38,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71a0255f0/4c1954bad3244eb7820f74f4d78f01ab [2020-09-24 16:46:38,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:46:38,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:46:38,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:46:38,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:46:38,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:46:38,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:46:38" (1/1) ... [2020-09-24 16:46:38,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78532141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:38, skipping insertion in model container [2020-09-24 16:46:38,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:46:38" (1/1) ... [2020-09-24 16:46:38,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:46:38,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:46:39,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:46:39,514 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:46:39,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:46:39,642 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:46:39,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39 WrapperNode [2020-09-24 16:46:39,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:46:39,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:46:39,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:46:39,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:46:39,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (1/1) ... [2020-09-24 16:46:39,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (1/1) ... [2020-09-24 16:46:39,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (1/1) ... [2020-09-24 16:46:39,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (1/1) ... [2020-09-24 16:46:39,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (1/1) ... [2020-09-24 16:46:39,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (1/1) ... [2020-09-24 16:46:39,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (1/1) ... [2020-09-24 16:46:39,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:46:39,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:46:39,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:46:39,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:46:39,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (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 [2020-09-24 16:46:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:46:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:46:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 16:46:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 16:46:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 16:46:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 16:46:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 16:46:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 16:46:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 16:46:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 16:46:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 16:46:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 16:46:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 16:46:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 16:46:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 16:46:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 16:46:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 16:46:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 16:46:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 16:46:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 16:46:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 16:46:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:46:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 16:46:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 16:46:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 16:46:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 16:46:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 16:46:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 16:46:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 16:46:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 16:46:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 16:46:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 16:46:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 16:46:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 16:46:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 16:46:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 16:46:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 16:46:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 16:46:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 16:46:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:46:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:46:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 16:46:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 16:46:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 16:46:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:46:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:46:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 16:46:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:46:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:46:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:46:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:46:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 16:46:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:46:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 16:46:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 16:46:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:46:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 16:46:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 16:46:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:46:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 16:46:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 16:46:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 16:46:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 16:46:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 16:46:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 16:46:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 16:46:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 16:46:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 16:46:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 16:46:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 16:46:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 16:46:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 16:46:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 16:46:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 16:46:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 16:46:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 16:46:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 16:46:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 16:46:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:46:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 16:46:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 16:46:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 16:46:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 16:46:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 16:46:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 16:46:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 16:46:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 16:46:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 16:46:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 16:46:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:46:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:46:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:46:41,150 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:46:41,150 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 16:46:41,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:46:41 BoogieIcfgContainer [2020-09-24 16:46:41,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:46:41,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:46:41,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:46:41,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:46:41,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:46:38" (1/3) ... [2020-09-24 16:46:41,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd6db02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:46:41, skipping insertion in model container [2020-09-24 16:46:41,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:46:39" (2/3) ... [2020-09-24 16:46:41,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd6db02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:46:41, skipping insertion in model container [2020-09-24 16:46:41,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:46:41" (3/3) ... [2020-09-24 16:46:41,167 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-09-24 16:46:41,178 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:46:41,192 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:46:41,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:46:41,243 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:46:41,244 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:46:41,244 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:46:41,244 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:46:41,244 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:46:41,244 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:46:41,244 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:46:41,244 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:46:41,273 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-09-24 16:46:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 16:46:41,289 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:46:41,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:46:41,292 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:46:41,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:46:41,299 INFO L82 PathProgramCache]: Analyzing trace with hash -362400732, now seen corresponding path program 1 times [2020-09-24 16:46:41,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:46:41,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330992691] [2020-09-24 16:46:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:46:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:46:41,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:46:42,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:46:43,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:46:44,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:46:45,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:47:06,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking...