/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 SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:29:46,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:29:46,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:29:46,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:29:46,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:29:46,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:29:46,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:29:46,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:29:46,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:29:46,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:29:46,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:29:46,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:29:46,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:29:46,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:29:46,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:29:46,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:29:46,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:29:46,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:29:46,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:29:46,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:29:46,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:29:46,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:29:46,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:29:46,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:29:46,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:29:46,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:29:46,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:29:46,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:29:46,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:29:46,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:29:46,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:29:46,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:29:46,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:29:46,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:29:46,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:29:46,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:29:46,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:29:46,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:29:46,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:29:46,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:29:46,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:29:46,195 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 [2020-10-13 12:29:46,217 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:29:46,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:29:46,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:29:46,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:29:46,219 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:29:46,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:29:46,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:29:46,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:29:46,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:29:46,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:29:46,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:29:46,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:29:46,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:29:46,220 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:29:46,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:29:46,221 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:29:46,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:29:46,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:29:46,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:29:46,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:29:46,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:29:46,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:29:46,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:29:46,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:29:46,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:29:46,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:29:46,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:29:46,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:29:46,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:29:46,223 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 -> SequenceOfStatements 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;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:29:46,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:29:46,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:29:46,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:29:46,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:29:46,549 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:29:46,550 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2020-10-13 12:29:46,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaad2ae3c/c3f54ee99f584b488a2c196ef5c1f9a6/FLAGf056fda98 [2020-10-13 12:29:47,076 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:29:47,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2020-10-13 12:29:47,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaad2ae3c/c3f54ee99f584b488a2c196ef5c1f9a6/FLAGf056fda98 [2020-10-13 12:29:47,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaad2ae3c/c3f54ee99f584b488a2c196ef5c1f9a6 [2020-10-13 12:29:47,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:29:47,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:29:47,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:29:47,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:29:47,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:29:47,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:29:47" (1/1) ... [2020-10-13 12:29:47,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7035d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:47, skipping insertion in model container [2020-10-13 12:29:47,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:29:47" (1/1) ... [2020-10-13 12:29:47,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:29:47,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:29:47,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:29:47,861 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:29:47,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:29:48,002 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:29:48,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48 WrapperNode [2020-10-13 12:29:48,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:29:48,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:29:48,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:29:48,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:29:48,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (1/1) ... [2020-10-13 12:29:48,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (1/1) ... [2020-10-13 12:29:48,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (1/1) ... [2020-10-13 12:29:48,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (1/1) ... [2020-10-13 12:29:48,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (1/1) ... [2020-10-13 12:29:48,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (1/1) ... [2020-10-13 12:29:48,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (1/1) ... [2020-10-13 12:29:48,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:29:48,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:29:48,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:29:48,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:29:48,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (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 [2020-10-13 12:29:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:29:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:29:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:29:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:29:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:29:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:29:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:29:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:29:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:29:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:29:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:29:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:29:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:29:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:29:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:29:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:29:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:29:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:29:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:29:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:29:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:29:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:29:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:29:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:29:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:29:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:29:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:29:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:29:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:29:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:29:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:29:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:29:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:29:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:29:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:29:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:29:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:29:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:29:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:29:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:29:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:29:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:29:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:29:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:29:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:29:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:29:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:29:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:29:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:29:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:29:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:29:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:29:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:29:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:29:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:29:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:29:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:29:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:29:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:29:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:29:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:29:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:29:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:29:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:29:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:29:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:29:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:29:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:29:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:29:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:29:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:29:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:29:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:29:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:29:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:29:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:29:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:29:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:29:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:29:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:29:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:29:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:29:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:29:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:29:49,336 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:29:49,336 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:29:49,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:29:49 BoogieIcfgContainer [2020-10-13 12:29:49,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:29:49,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:29:49,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:29:49,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:29:49,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:29:47" (1/3) ... [2020-10-13 12:29:49,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5511c483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:29:49, skipping insertion in model container [2020-10-13 12:29:49,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:48" (2/3) ... [2020-10-13 12:29:49,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5511c483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:29:49, skipping insertion in model container [2020-10-13 12:29:49,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:29:49" (3/3) ... [2020-10-13 12:29:49,349 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2020-10-13 12:29:49,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:29:49,368 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:29:49,379 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:29:49,402 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:29:49,403 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:29:49,403 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:29:49,403 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:29:49,403 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:29:49,403 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:29:49,403 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:29:49,404 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:29:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-13 12:29:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:29:49,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:29:49,435 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] [2020-10-13 12:29:49,436 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:29:49,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:29:49,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1488417234, now seen corresponding path program 1 times [2020-10-13 12:29:49,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:29:49,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898924326] [2020-10-13 12:29:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:29:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:49,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:50,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:51,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:51,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:53,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:53,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:29:53,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:29:53,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3447 [2020-10-13 12:29:53,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:29:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:29:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:29:53,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 12:29:53,522 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:29:53,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:29:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:53,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:53,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:53,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:29:53,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:29:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 12:29:53,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:29:53,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:29:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:29:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-13 12:29:53,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:29:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:53,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:53,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:53,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:29:53,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:29:53,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:29:53,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:29:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:29:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:29:53,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:29:53,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:29:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:53,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:53,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:53,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:29:53,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:29:53,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:29:53,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:29:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:29:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:29:53,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:29:53,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:29:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:53,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:53,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:53,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:29:53,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:29:53,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:29:53,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:53,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:29:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:29:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:29:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:29:53,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:29:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:53,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:53,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:53,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:29:53,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:29:53,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:29:53,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:29:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:29:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:29:53,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:29:53,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:29:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:53,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:53,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:53,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:29:53,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:29:53,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:29:53,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:29:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:29:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:29:53,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:29:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:29:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:53,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:53,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:53,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:29:53,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:29:53,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:29:53,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:53,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:29:53,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:29:53,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:29:53,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:29:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:29:53,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898924326] [2020-10-13 12:29:53,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:29:53,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:29:53,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494149210] [2020-10-13 12:29:53,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:29:53,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:29:53,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:29:53,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:29:53,699 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 3 states. [2020-10-13 12:29:54,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:29:54,617 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2020-10-13 12:29:54,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:29:54,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:29:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:29:54,633 INFO L225 Difference]: With dead ends: 219 [2020-10-13 12:29:54,633 INFO L226 Difference]: Without dead ends: 120 [2020-10-13 12:29:54,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:29:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-13 12:29:54,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2020-10-13 12:29:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-13 12:29:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-10-13 12:29:54,720 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-10-13 12:29:54,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:29:54,721 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-10-13 12:29:54,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:29:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-10-13 12:29:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:29:54,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:29:54,725 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] [2020-10-13 12:29:54,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:29:54,725 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:29:54,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:29:54,726 INFO L82 PathProgramCache]: Analyzing trace with hash 2143810688, now seen corresponding path program 1 times [2020-10-13 12:29:54,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:29:54,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163159708] [2020-10-13 12:29:54,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:29:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:29:54,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:54,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:55,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:56,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:57,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:29:59,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:29:59,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:29:59,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:29:59,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 12:29:59,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:29:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:29:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:29:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:29:59,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:30:00,052 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:30:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:30:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:00,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:30:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 12:30:00,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:00,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:00,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:30:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:00,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:00,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:00,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:30:00,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:30:00,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:30:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:30:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:00,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:00,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:00,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:30:00,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:00,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:30:00,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:30:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:30:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:00,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:00,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:00,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:30:00,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:00,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:30:00,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:00,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:30:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:00,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:00,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:00,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:30:00,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:00,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:30:00,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:30:00,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:30:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:00,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:00,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:00,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:30:00,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:30:00,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:30:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:00,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:00,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:30:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:00,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:00,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:00,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:30:00,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:00,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:30:00,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:30:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:30:00,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163159708] [2020-10-13 12:30:00,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:30:00,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:30:00,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268590021] [2020-10-13 12:30:00,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:30:00,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:30:00,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:30:00,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:30:00,215 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2020-10-13 12:30:00,687 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:30:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:30:01,175 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2020-10-13 12:30:01,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:30:01,176 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:30:01,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:30:01,179 INFO L225 Difference]: With dead ends: 143 [2020-10-13 12:30:01,179 INFO L226 Difference]: Without dead ends: 104 [2020-10-13 12:30:01,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:30:01,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-13 12:30:01,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2020-10-13 12:30:01,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-13 12:30:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-10-13 12:30:01,211 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-10-13 12:30:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:30:01,211 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-10-13 12:30:01,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:30:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-10-13 12:30:01,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:30:01,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:30:01,214 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] [2020-10-13 12:30:01,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:30:01,214 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:30:01,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:30:01,214 INFO L82 PathProgramCache]: Analyzing trace with hash -410922651, now seen corresponding path program 1 times [2020-10-13 12:30:01,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:30:01,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346011004] [2020-10-13 12:30:01,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:30:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:01,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:01,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:01,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:01,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:04,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:04,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 12:30:04,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:30:04,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3129 [2020-10-13 12:30:04,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:30:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 12:30:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:30:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:30:04,686 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:30:04,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:30:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:04,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:04,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:30:04,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 12:30:04,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:04,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:30:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:04,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:04,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:04,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:30:04,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:30:04,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:04,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:04,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:30:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:04,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:04,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:04,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:30:04,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:04,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:30:04,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:04,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:04,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:04,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:30:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:04,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:04,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:04,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:30:04,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:04,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:30:04,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:04,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:30:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:04,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:04,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:04,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:30:04,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:04,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:30:04,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:30:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:30:04,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:04,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:30:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:04,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:04,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:04,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:30:04,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:04,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:30:04,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:30:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:30:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:04,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:30:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:30:04,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:30:04,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:30:04,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:30:04,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:30:04,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:30:04,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:30:04,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:30:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:30:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:30:04,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:30:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:30:04,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346011004] [2020-10-13 12:30:04,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:30:04,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:30:04,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723091699] [2020-10-13 12:30:04,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:30:04,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:30:04,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:30:04,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:30:04,832 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 7 states. [2020-10-13 12:30:05,335 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:30:06,197 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:30:06,460 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:30:06,702 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:30:06,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:30:06,841 INFO L93 Difference]: Finished difference Result 144 states and 179 transitions. [2020-10-13 12:30:06,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:30:06,842 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-13 12:30:06,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:30:06,843 INFO L225 Difference]: With dead ends: 144 [2020-10-13 12:30:06,844 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:30:06,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:30:06,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:30:06,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:30:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:30:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:30:06,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-13 12:30:06,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:30:06,850 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:30:06,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:30:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:30:06,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:30:06,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:30:06,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:30:07,914 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:30:08,057 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:30:08,226 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:30:08,403 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:30:08,563 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:30:08,718 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:30:08,867 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:30:09,060 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:30:09,222 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:30:09,393 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:30:09,577 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:30:09,751 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:30:09,903 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:30:10,064 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:30:10,201 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:30:10,222 INFO L268 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-10-13 12:30:10,223 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 579) no Hoare annotation was computed. [2020-10-13 12:30:10,223 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-13 12:30:10,223 INFO L268 CegarLoopResult]: For program point L569-2(lines 569 590) no Hoare annotation was computed. [2020-10-13 12:30:10,224 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 544 599) no Hoare annotation was computed. [2020-10-13 12:30:10,224 INFO L268 CegarLoopResult]: For program point L591(lines 568 592) no Hoare annotation was computed. [2020-10-13 12:30:10,224 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 544 599) no Hoare annotation was computed. [2020-10-13 12:30:10,224 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 544 599) no Hoare annotation was computed. [2020-10-13 12:30:10,224 INFO L268 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-10-13 12:30:10,224 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 636) no Hoare annotation was computed. [2020-10-13 12:30:10,224 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 600 659) no Hoare annotation was computed. [2020-10-13 12:30:10,225 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-10-13 12:30:10,225 INFO L268 CegarLoopResult]: For program point L626-2(lines 626 651) no Hoare annotation was computed. [2020-10-13 12:30:10,225 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 600 659) no Hoare annotation was computed. [2020-10-13 12:30:10,225 INFO L268 CegarLoopResult]: For program point L652(lines 625 653) no Hoare annotation was computed. [2020-10-13 12:30:10,226 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 600 659) no Hoare annotation was computed. [2020-10-13 12:30:10,226 INFO L268 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-10-13 12:30:10,226 INFO L268 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-10-13 12:30:10,226 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 133 139) the Hoare annotation is: true [2020-10-13 12:30:10,227 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 133 139) no Hoare annotation was computed. [2020-10-13 12:30:10,227 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 140 148) no Hoare annotation was computed. [2020-10-13 12:30:10,227 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 140 148) the Hoare annotation is: true [2020-10-13 12:30:10,227 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 140 148) no Hoare annotation was computed. [2020-10-13 12:30:10,228 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 433 455) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:30:10,228 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:30:10,228 INFO L264 CegarLoopResult]: At program point L445-1(line 445) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:30:10,228 INFO L268 CegarLoopResult]: For program point L443(lines 443 450) no Hoare annotation was computed. [2020-10-13 12:30:10,228 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 450) no Hoare annotation was computed. [2020-10-13 12:30:10,228 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-13 12:30:10,229 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 433 455) no Hoare annotation was computed. [2020-10-13 12:30:10,229 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:30:10,229 INFO L264 CegarLoopResult]: At program point L439(line 439) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:30:10,229 INFO L264 CegarLoopResult]: At program point L439-1(line 439) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:30:10,229 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 433 455) no Hoare annotation was computed. [2020-10-13 12:30:10,229 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-10-13 12:30:10,230 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 264 278) no Hoare annotation was computed. [2020-10-13 12:30:10,231 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:30:10,232 INFO L268 CegarLoopResult]: For program point L268(lines 268 274) no Hoare annotation was computed. [2020-10-13 12:30:10,232 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 264 278) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:30:10,232 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 264 278) no Hoare annotation was computed. [2020-10-13 12:30:10,232 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2020-10-13 12:30:10,232 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2020-10-13 12:30:10,232 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 219 227) no Hoare annotation was computed. [2020-10-13 12:30:10,232 INFO L268 CegarLoopResult]: For program point L258-1(line 258) no Hoare annotation was computed. [2020-10-13 12:30:10,232 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-10-13 12:30:10,232 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2020-10-13 12:30:10,232 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 228 263) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point L235(lines 235 243) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point L235-2(lines 235 243) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 228 263) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 228 263) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 126 132) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 126 132) the Hoare annotation is: true [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 498 543) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 498 543) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 498 543) no Hoare annotation was computed. [2020-10-13 12:30:10,233 INFO L268 CegarLoopResult]: For program point L831(lines 831 838) no Hoare annotation was computed. [2020-10-13 12:30:10,234 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 811 856) no Hoare annotation was computed. [2020-10-13 12:30:10,234 INFO L268 CegarLoopResult]: For program point L825(lines 825 845) no Hoare annotation was computed. [2020-10-13 12:30:10,234 INFO L268 CegarLoopResult]: For program point L825-1(lines 825 845) no Hoare annotation was computed. [2020-10-13 12:30:10,234 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 811 856) no Hoare annotation was computed. [2020-10-13 12:30:10,234 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 811 856) no Hoare annotation was computed. [2020-10-13 12:30:10,236 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 423 432) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:30:10,236 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 423 432) no Hoare annotation was computed. [2020-10-13 12:30:10,236 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 423 432) no Hoare annotation was computed. [2020-10-13 12:30:10,236 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 208 218) no Hoare annotation was computed. [2020-10-13 12:30:10,237 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2020-10-13 12:30:10,237 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 208 218) no Hoare annotation was computed. [2020-10-13 12:30:10,237 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-10-13 12:30:10,237 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-10-13 12:30:10,237 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2020-10-13 12:30:10,237 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2020-10-13 12:30:10,237 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 200 207) no Hoare annotation was computed. [2020-10-13 12:30:10,237 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 185 191) no Hoare annotation was computed. [2020-10-13 12:30:10,237 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 185 191) the Hoare annotation is: true [2020-10-13 12:30:10,238 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:30:10,238 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,238 INFO L268 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-10-13 12:30:10,238 INFO L264 CegarLoopResult]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,238 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-10-13 12:30:10,238 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-10-13 12:30:10,238 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-10-13 12:30:10,239 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,239 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-10-13 12:30:10,239 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-10-13 12:30:10,239 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,239 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,240 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-10-13 12:30:10,240 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-10-13 12:30:10,240 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-10-13 12:30:10,240 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:30:10,240 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-10-13 12:30:10,240 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 765 810) no Hoare annotation was computed. [2020-10-13 12:30:10,240 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 765 810) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point L785(lines 785 792) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 765 810) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point L779(lines 779 799) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point L779-1(lines 779 799) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 328 350) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 328 350) no Hoare annotation was computed. [2020-10-13 12:30:10,241 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 328 350) no Hoare annotation was computed. [2020-10-13 12:30:10,242 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 116 125) no Hoare annotation was computed. [2020-10-13 12:30:10,242 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 116 125) no Hoare annotation was computed. [2020-10-13 12:30:10,242 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 116 125) no Hoare annotation was computed. [2020-10-13 12:30:10,242 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 662 764) no Hoare annotation was computed. [2020-10-13 12:30:10,242 INFO L268 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-10-13 12:30:10,242 INFO L268 CegarLoopResult]: For program point L727-1(line 727) no Hoare annotation was computed. [2020-10-13 12:30:10,242 INFO L268 CegarLoopResult]: For program point L686(lines 686 690) no Hoare annotation was computed. [2020-10-13 12:30:10,242 INFO L268 CegarLoopResult]: For program point L750(lines 750 761) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 662 764) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point L711-2(lines 711 731) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point L732(lines 710 733) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point L691(lines 691 707) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 662 764) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point L751(lines 751 758) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point L712(lines 711 731) no Hoare annotation was computed. [2020-10-13 12:30:10,243 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-10-13 12:30:10,244 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-10-13 12:30:10,244 INFO L268 CegarLoopResult]: For program point L708(lines 708 749) no Hoare annotation was computed. [2020-10-13 12:30:10,244 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:30:10,244 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:30:10,244 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:30:10,244 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 192 199) no Hoare annotation was computed. [2020-10-13 12:30:10,245 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 192 199) no Hoare annotation was computed. [2020-10-13 12:30:10,245 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 192 199) no Hoare annotation was computed. [2020-10-13 12:30:10,245 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 351 359) no Hoare annotation was computed. [2020-10-13 12:30:10,245 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 351 359) no Hoare annotation was computed. [2020-10-13 12:30:10,245 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 351 359) no Hoare annotation was computed. [2020-10-13 12:30:10,245 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:30:10,245 INFO L268 CegarLoopResult]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2020-10-13 12:30:10,246 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2020-10-13 12:30:10,246 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:30:10,246 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:30:10,246 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:30:10,246 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,246 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,246 INFO L264 CegarLoopResult]: At program point L172(lines 172 178) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,246 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2020-10-13 12:30:10,247 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:30:10,247 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2020-10-13 12:30:10,247 INFO L268 CegarLoopResult]: For program point L165(lines 164 183) no Hoare annotation was computed. [2020-10-13 12:30:10,247 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2020-10-13 12:30:10,247 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-10-13 12:30:10,247 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2020-10-13 12:30:10,247 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-10-13 12:30:10,247 INFO L271 CegarLoopResult]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2020-10-13 12:30:10,248 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-10-13 12:30:10,248 INFO L271 CegarLoopResult]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2020-10-13 12:30:10,248 INFO L271 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: true [2020-10-13 12:30:10,248 INFO L268 CegarLoopResult]: For program point L368-1(line 368) no Hoare annotation was computed. [2020-10-13 12:30:10,248 INFO L271 CegarLoopResult]: At program point L387(lines 362 391) the Hoare annotation is: true [2020-10-13 12:30:10,248 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2020-10-13 12:30:10,248 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2020-10-13 12:30:10,248 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2020-10-13 12:30:10,249 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2020-10-13 12:30:10,249 INFO L268 CegarLoopResult]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2020-10-13 12:30:10,249 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2020-10-13 12:30:10,249 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2020-10-13 12:30:10,249 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2020-10-13 12:30:10,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:30:10,249 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:30:10,249 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:30:10,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:30:10,250 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2020-10-13 12:30:10,250 INFO L268 CegarLoopResult]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2020-10-13 12:30:10,250 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:30:10,250 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 457 464) no Hoare annotation was computed. [2020-10-13 12:30:10,251 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-10-13 12:30:10,251 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 457 464) the Hoare annotation is: true [2020-10-13 12:30:10,251 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 457 464) no Hoare annotation was computed. [2020-10-13 12:30:10,251 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:30:10,251 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-10-13 12:30:10,251 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 466 490) the Hoare annotation is: true [2020-10-13 12:30:10,251 INFO L271 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: true [2020-10-13 12:30:10,251 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-10-13 12:30:10,252 INFO L268 CegarLoopResult]: For program point L474(lines 474 487) no Hoare annotation was computed. [2020-10-13 12:30:10,252 INFO L268 CegarLoopResult]: For program point L474-1(lines 466 490) no Hoare annotation was computed. [2020-10-13 12:30:10,252 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-10-13 12:30:10,252 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 466 490) no Hoare annotation was computed. [2020-10-13 12:30:10,252 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-10-13 12:30:10,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:30:10 BoogieIcfgContainer [2020-10-13 12:30:10,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:30:10,283 INFO L168 Benchmark]: Toolchain (without parser) took 22888.16 ms. Allocated memory was 147.3 MB in the beginning and 643.8 MB in the end (delta: 496.5 MB). Free memory was 102.1 MB in the beginning and 285.7 MB in the end (delta: -183.6 MB). Peak memory consumption was 458.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:30:10,285 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:30:10,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.62 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 101.9 MB in the beginning and 173.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:30:10,291 INFO L168 Benchmark]: Boogie Preprocessor took 83.79 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:30:10,296 INFO L168 Benchmark]: RCFGBuilder took 1253.81 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.6 MB in the beginning and 202.7 MB in the end (delta: -34.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:30:10,297 INFO L168 Benchmark]: TraceAbstraction took 20938.69 ms. Allocated memory was 235.9 MB in the beginning and 643.8 MB in the end (delta: 407.9 MB). Free memory was 201.3 MB in the beginning and 285.7 MB in the end (delta: -84.4 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:30:10,305 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 606.62 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 101.9 MB in the beginning and 173.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.79 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1253.81 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.6 MB in the beginning and 202.7 MB in the end (delta: -34.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20938.69 ms. Allocated memory was 235.9 MB in the beginning and 643.8 MB in the end (delta: 407.9 MB). Free memory was 201.3 MB in the beginning and 285.7 MB in the end (delta: -84.4 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 233 SDtfs, 238 SDslu, 99 SDs, 0 SdLazy, 462 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 53 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 115 PreInvPairs, 131 NumberOfFragments, 478 HoareAnnotationTreeSize, 115 FomulaSimplifications, 2835 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 4402 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 34028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...