/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_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:45:52,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:45:52,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:45:52,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:45:52,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:45:52,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:45:52,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:45:52,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:45:52,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:45:52,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:45:52,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:45:52,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:45:52,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:45:52,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:45:52,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:45:52,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:45:52,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:45:52,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:45:52,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:45:52,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:45:52,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:45:52,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:45:52,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:45:52,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:45:52,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:45:52,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:45:52,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:45:52,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:45:52,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:45:52,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:45:52,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:45:52,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:45:52,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:45:52,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:45:52,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:45:52,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:45:52,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:45:52,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:45:52,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:45:52,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:45:52,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:45:52,421 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 12:45:52,455 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:45:52,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:45:52,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:45:52,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:45:52,457 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:45:52,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:45:52,458 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:45:52,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:45:52,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:45:52,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:45:52,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:45:52,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:45:52,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:45:52,460 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:45:52,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:45:52,460 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:45:52,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:45:52,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:45:52,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:45:52,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:45:52,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:45:52,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:45:52,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:45:52,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:45:52,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:45:52,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:45:52,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:45:52,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:45:52,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:45:52,463 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 12:45:52,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:45:52,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:45:52,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:45:52,764 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:45:52,764 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:45:52,765 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-10-13 12:45:52,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/248d55d03/0bb9b04cadad4b52ae6332663631fbaa/FLAG430e2c904 [2020-10-13 12:45:53,297 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:45:53,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-10-13 12:45:53,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/248d55d03/0bb9b04cadad4b52ae6332663631fbaa/FLAG430e2c904 [2020-10-13 12:45:53,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/248d55d03/0bb9b04cadad4b52ae6332663631fbaa [2020-10-13 12:45:53,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:45:53,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:45:53,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:45:53,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:45:53,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:45:53,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:45:53" (1/1) ... [2020-10-13 12:45:53,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecad7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:53, skipping insertion in model container [2020-10-13 12:45:53,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:45:53" (1/1) ... [2020-10-13 12:45:53,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:45:53,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:45:53,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:45:54,079 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:45:54,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:45:54,194 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:45:54,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54 WrapperNode [2020-10-13 12:45:54,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:45:54,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:45:54,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:45:54,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:45:54,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (1/1) ... [2020-10-13 12:45:54,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (1/1) ... [2020-10-13 12:45:54,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (1/1) ... [2020-10-13 12:45:54,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (1/1) ... [2020-10-13 12:45:54,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (1/1) ... [2020-10-13 12:45:54,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (1/1) ... [2020-10-13 12:45:54,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (1/1) ... [2020-10-13 12:45:54,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:45:54,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:45:54,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:45:54,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:45:54,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (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 12:45:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:45:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:45:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:45:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:45:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:45:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:45:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:45:54,341 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:45:54,341 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:45:54,341 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:45:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:45:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:45:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:45:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:45:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:45:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:45:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:45:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:45:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:45:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:45:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:45:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:45:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:45:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:45:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:45:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:45:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:45:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:45:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:45:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:45:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:45:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:45:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:45:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:45:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:45:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:45:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:45:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:45:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:45:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:45:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:45:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:45:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:45:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:45:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:45:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:45:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:45:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:45:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:45:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:45:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:45:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:45:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:45:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:45:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:45:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:45:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:45:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:45:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:45:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:45:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:45:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:45:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:45:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:45:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:45:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:45:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:45:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:45:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:45:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:45:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:45:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:45:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:45:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:45:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:45:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:45:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:45:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:45:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:45:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:45:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:45:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:45:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:45:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:45:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:45:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:45:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:45:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:45:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:45:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:45:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:45:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:45:55,313 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:45:55,313 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:45:55,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:55 BoogieIcfgContainer [2020-10-13 12:45:55,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:45:55,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:45:55,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:45:55,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:45:55,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:45:53" (1/3) ... [2020-10-13 12:45:55,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3fc24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:45:55, skipping insertion in model container [2020-10-13 12:45:55,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:54" (2/3) ... [2020-10-13 12:45:55,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3fc24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:45:55, skipping insertion in model container [2020-10-13 12:45:55,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:55" (3/3) ... [2020-10-13 12:45:55,333 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-10-13 12:45:55,343 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:45:55,350 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:45:55,364 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:45:55,389 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:45:55,389 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:45:55,389 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:45:55,389 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:45:55,390 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:45:55,390 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:45:55,390 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:45:55,390 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:45:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-10-13 12:45:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:45:55,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:45:55,423 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 12:45:55,423 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:45:55,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:45:55,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1999815947, now seen corresponding path program 1 times [2020-10-13 12:45:55,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:45:55,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913195130] [2020-10-13 12:45:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:45:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:55,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:55,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:56,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:57,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:58,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:59,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:59,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:45:59,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:45:59,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3890 [2020-10-13 12:45:59,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:59,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:59,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:45:59,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:59,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:46:00,108 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:00,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:00,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:00,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:00,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:00,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 12:46:00,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:00,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:00,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:00,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:00,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:00,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:00,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:00,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:00,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:00,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:00,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:00,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:00,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:00,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:00,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:00,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:00,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:00,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:00,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:00,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:00,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:00,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:00,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:00,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:00,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:00,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:00,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:00,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:00,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:00,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:00,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:00,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:00,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:00,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:00,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:00,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:00,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:00,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:00,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:00,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:46:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:00,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:00,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:00,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:00,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:00,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:00,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:46:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:00,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:00,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:00,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:00,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:00,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:46:00,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:00,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:00,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:00,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:00,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:00,249 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 12:46:00,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913195130] [2020-10-13 12:46:00,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:00,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:46:00,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974529222] [2020-10-13 12:46:00,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:46:00,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:00,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:46:00,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:46:00,286 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-10-13 12:46:01,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:01,538 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-10-13 12:46:01,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:46:01,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:46:01,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:01,554 INFO L225 Difference]: With dead ends: 270 [2020-10-13 12:46:01,555 INFO L226 Difference]: Without dead ends: 147 [2020-10-13 12:46:01,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:46:01,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-13 12:46:01,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-10-13 12:46:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-13 12:46:01,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-10-13 12:46:01,657 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-10-13 12:46:01,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:01,657 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-10-13 12:46:01,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:46:01,658 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-10-13 12:46:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:46:01,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:46:01,661 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 12:46:01,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:46:01,662 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:46:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:46:01,663 INFO L82 PathProgramCache]: Analyzing trace with hash 2091613530, now seen corresponding path program 1 times [2020-10-13 12:46:01,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:46:01,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028139207] [2020-10-13 12:46:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:46:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:01,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:01,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:02,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:03,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:04,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:06,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:06,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:46:06,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:46:06,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4916 [2020-10-13 12:46:06,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:46:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:46:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:46:06,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:06,937 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:06,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:06,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:06,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:06,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:06,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:06,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:46:06,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:06,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:06,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:06,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:06,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:06,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:06,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:06,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:06,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:06,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:06,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:06,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:06,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:06,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:07,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:07,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:07,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:07,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:07,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:07,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:07,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:07,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:07,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:07,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:07,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:07,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:07,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:07,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:07,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:46:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:07,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:07,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:07,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:07,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:07,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:07,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:07,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:07,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:46:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:07,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:07,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:07,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:07,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:46:07,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:07,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:07,057 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 12:46:07,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028139207] [2020-10-13 12:46:07,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:07,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:46:07,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532037906] [2020-10-13 12:46:07,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:46:07,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:07,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:46:07,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:46:07,067 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-10-13 12:46:07,484 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:46:08,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:08,182 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-10-13 12:46:08,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:46:08,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:46:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:08,187 INFO L225 Difference]: With dead ends: 193 [2020-10-13 12:46:08,187 INFO L226 Difference]: Without dead ends: 131 [2020-10-13 12:46:08,189 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 12:46:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-13 12:46:08,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-10-13 12:46:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-13 12:46:08,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-10-13 12:46:08,237 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-10-13 12:46:08,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:08,238 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-10-13 12:46:08,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:46:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-10-13 12:46:08,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:46:08,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:46:08,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:46:08,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:46:08,249 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:46:08,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:46:08,250 INFO L82 PathProgramCache]: Analyzing trace with hash 969654456, now seen corresponding path program 1 times [2020-10-13 12:46:08,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:46:08,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383812052] [2020-10-13 12:46:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:46:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:08,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:08,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:09,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:10,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:12,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:12,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:46:12,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:46:12,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4015 [2020-10-13 12:46:12,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:46:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:46:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:46:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:12,564 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:12,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:12,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:12,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:12,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:46:12,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:12,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:12,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:12,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:12,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:12,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:12,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:12,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:12,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:12,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:12,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:12,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:12,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:12,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:12,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:12,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:12,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:12,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:12,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:12,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:12,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:12,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:12,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:12,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:12,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:12,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:12,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:12,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:12,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:12,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:46:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:12,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:12,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:12,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:12,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:12,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:46:12,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:46:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:46:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:46:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:12,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:12,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:12,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:12,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:12,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:46:12,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:12,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:46:12,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:12,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:46:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:12,683 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 12:46:12,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383812052] [2020-10-13 12:46:12,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:12,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:46:12,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716283260] [2020-10-13 12:46:12,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:46:12,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:12,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:46:12,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:46:12,685 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2020-10-13 12:46:13,090 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:46:13,849 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:46:14,142 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:46:14,361 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:46:14,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:14,480 INFO L93 Difference]: Finished difference Result 178 states and 221 transitions. [2020-10-13 12:46:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:46:14,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-13 12:46:14,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:14,482 INFO L225 Difference]: With dead ends: 178 [2020-10-13 12:46:14,482 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:46:14,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:46:14,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:46:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:46:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:46:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:46:14,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2020-10-13 12:46:14,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:14,486 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:46:14,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:46:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:46:14,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:46:14,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:46:14,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:46:15,359 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:46:15,505 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:15,647 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:46:15,836 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:15,990 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:46:16,169 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:16,303 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:46:16,473 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:46:16,630 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:46:16,796 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:46:16,949 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:17,115 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:17,256 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:17,394 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:46:17,536 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:17,721 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:17,871 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:46:18,012 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:18,017 INFO L268 CegarLoopResult]: For program point L351(line 351) no Hoare annotation was computed. [2020-10-13 12:46:18,017 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 371) no Hoare annotation was computed. [2020-10-13 12:46:18,017 INFO L268 CegarLoopResult]: For program point L372(lines 349 373) no Hoare annotation was computed. [2020-10-13 12:46:18,017 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 325 380) no Hoare annotation was computed. [2020-10-13 12:46:18,017 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 325 380) no Hoare annotation was computed. [2020-10-13 12:46:18,017 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-10-13 12:46:18,017 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 360) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 325 380) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 417) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 381 440) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 432) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point L433(lines 406 434) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 381 440) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-13 12:46:18,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 381 440) no Hoare annotation was computed. [2020-10-13 12:46:18,019 INFO L268 CegarLoopResult]: For program point L426-1(line 426) no Hoare annotation was computed. [2020-10-13 12:46:18,019 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-10-13 12:46:18,019 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-10-13 12:46:18,019 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:46:18,019 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-10-13 12:46:18,019 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:46:18,019 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 649 673) the Hoare annotation is: true [2020-10-13 12:46:18,019 INFO L264 CegarLoopResult]: At program point L663(line 663) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-13 12:46:18,020 INFO L268 CegarLoopResult]: For program point L661(lines 661 667) no Hoare annotation was computed. [2020-10-13 12:46:18,020 INFO L271 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: true [2020-10-13 12:46:18,020 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 649 673) no Hoare annotation was computed. [2020-10-13 12:46:18,020 INFO L268 CegarLoopResult]: For program point L659-1(line 659) no Hoare annotation was computed. [2020-10-13 12:46:18,020 INFO L268 CegarLoopResult]: For program point L657(lines 657 670) no Hoare annotation was computed. [2020-10-13 12:46:18,020 INFO L268 CegarLoopResult]: For program point L657-1(lines 649 673) no Hoare annotation was computed. [2020-10-13 12:46:18,020 INFO L271 CegarLoopResult]: At program point L655(line 655) the Hoare annotation is: true [2020-10-13 12:46:18,020 INFO L268 CegarLoopResult]: For program point L655-1(line 655) no Hoare annotation was computed. [2020-10-13 12:46:18,020 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-10-13 12:46:18,021 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:18,021 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:18,021 INFO L264 CegarLoopResult]: At program point L255-1(line 255) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:18,021 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 249 271) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:18,021 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 249 271) no Hoare annotation was computed. [2020-10-13 12:46:18,021 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 249 271) no Hoare annotation was computed. [2020-10-13 12:46:18,022 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:18,022 INFO L264 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:18,022 INFO L268 CegarLoopResult]: For program point L259(lines 259 266) no Hoare annotation was computed. [2020-10-13 12:46:18,022 INFO L268 CegarLoopResult]: For program point L259-1(lines 259 266) no Hoare annotation was computed. [2020-10-13 12:46:18,022 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-10-13 12:46:18,022 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-10-13 12:46:18,022 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 207 230) no Hoare annotation was computed. [2020-10-13 12:46:18,023 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-10-13 12:46:18,023 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-10-13 12:46:18,023 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-10-13 12:46:18,023 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 207 230) no Hoare annotation was computed. [2020-10-13 12:46:18,023 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-10-13 12:46:18,023 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 207 230) no Hoare annotation was computed. [2020-10-13 12:46:18,023 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2020-10-13 12:46:18,024 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,024 INFO L268 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2020-10-13 12:46:18,025 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 279 324) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 279 324) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 279 324) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point L606(lines 606 626) no Hoare annotation was computed. [2020-10-13 12:46:18,026 INFO L268 CegarLoopResult]: For program point L606-1(lines 606 626) no Hoare annotation was computed. [2020-10-13 12:46:18,027 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 592 637) no Hoare annotation was computed. [2020-10-13 12:46:18,027 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 592 637) no Hoare annotation was computed. [2020-10-13 12:46:18,027 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 592 637) no Hoare annotation was computed. [2020-10-13 12:46:18,027 INFO L268 CegarLoopResult]: For program point L612(lines 612 619) no Hoare annotation was computed. [2020-10-13 12:46:18,027 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 239 248) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:18,027 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 239 248) no Hoare annotation was computed. [2020-10-13 12:46:18,027 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 239 248) no Hoare annotation was computed. [2020-10-13 12:46:18,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2020-10-13 12:46:18,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2020-10-13 12:46:18,028 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-10-13 12:46:18,028 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-10-13 12:46:18,028 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2020-10-13 12:46:18,028 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2020-10-13 12:46:18,028 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-10-13 12:46:18,028 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-10-13 12:46:18,028 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:46:18,028 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-10-13 12:46:18,028 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,028 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2020-10-13 12:46:18,028 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,028 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:46:18,028 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-10-13 12:46:18,029 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,029 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-10-13 12:46:18,029 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-10-13 12:46:18,029 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-10-13 12:46:18,029 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-10-13 12:46:18,029 INFO L268 CegarLoopResult]: For program point L865(lines 864 913) no Hoare annotation was computed. [2020-10-13 12:46:18,029 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:18,029 INFO L264 CegarLoopResult]: At program point testENTRY(lines 854 921) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:18,029 INFO L268 CegarLoopResult]: For program point L894(lines 894 909) no Hoare annotation was computed. [2020-10-13 12:46:18,029 INFO L268 CegarLoopResult]: For program point testFINAL(lines 854 921) no Hoare annotation was computed. [2020-10-13 12:46:18,029 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:18,029 INFO L268 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2020-10-13 12:46:18,030 INFO L268 CegarLoopResult]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2020-10-13 12:46:18,030 INFO L264 CegarLoopResult]: At program point L911(lines 864 913) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:18,030 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:18,030 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-10-13 12:46:18,030 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2020-10-13 12:46:18,030 INFO L268 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-10-13 12:46:18,030 INFO L264 CegarLoopResult]: At program point L914(lines 863 915) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,030 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:18,030 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-10-13 12:46:18,030 INFO L264 CegarLoopResult]: At program point L902-1(lines 894 909) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:18,030 INFO L268 CegarLoopResult]: For program point testEXIT(lines 854 921) no Hoare annotation was computed. [2020-10-13 12:46:18,030 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 546 591) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point L566(lines 566 573) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 546 591) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 546 591) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point L560(lines 560 580) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 580) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2020-10-13 12:46:18,031 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 443 545) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point L531(lines 531 542) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point L494(lines 494 498) no Hoare annotation was computed. [2020-10-13 12:46:18,032 INFO L268 CegarLoopResult]: For program point L492-2(lines 492 512) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 443 545) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point L513(lines 491 514) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point L472(lines 472 488) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point L532(lines 532 539) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 443 545) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point L493(lines 492 512) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point L524-1(line 524) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point L489(lines 489 530) no Hoare annotation was computed. [2020-10-13 12:46:18,033 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:18,034 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:46:18,034 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:18,034 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2020-10-13 12:46:18,034 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2020-10-13 12:46:18,034 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2020-10-13 12:46:18,034 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2020-10-13 12:46:18,034 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2020-10-13 12:46:18,034 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2020-10-13 12:46:18,035 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:46:18,035 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2020-10-13 12:46:18,035 INFO L268 CegarLoopResult]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2020-10-13 12:46:18,035 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:18,035 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:46:18,035 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:18,035 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 123 131) no Hoare annotation was computed. [2020-10-13 12:46:18,035 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2020-10-13 12:46:18,036 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2020-10-13 12:46:18,036 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,036 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,036 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,036 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:18,036 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-10-13 12:46:18,037 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-10-13 12:46:18,037 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-10-13 12:46:18,037 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2020-10-13 12:46:18,037 INFO L268 CegarLoopResult]: For program point L190(lines 190 194) no Hoare annotation was computed. [2020-10-13 12:46:18,037 INFO L271 CegarLoopResult]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2020-10-13 12:46:18,037 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2020-10-13 12:46:18,037 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 12:46:18,037 INFO L271 CegarLoopResult]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2020-10-13 12:46:18,038 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-10-13 12:46:18,038 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-10-13 12:46:18,038 INFO L271 CegarLoopResult]: At program point L201(lines 176 205) the Hoare annotation is: true [2020-10-13 12:46:18,038 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-13 12:46:18,038 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2020-10-13 12:46:18,038 INFO L268 CegarLoopResult]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2020-10-13 12:46:18,038 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2020-10-13 12:46:18,038 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 231 237) no Hoare annotation was computed. [2020-10-13 12:46:18,038 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 231 237) the Hoare annotation is: true [2020-10-13 12:46:18,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:18,039 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:46:18,039 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:46:18,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:18,039 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2020-10-13 12:46:18,039 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:46:18,039 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2020-10-13 12:46:18,040 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2020-10-13 12:46:18,040 INFO L268 CegarLoopResult]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2020-10-13 12:46:18,040 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:46:18,040 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2020-10-13 12:46:18,040 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2020-10-13 12:46:18,040 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2020-10-13 12:46:18,040 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2020-10-13 12:46:18,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:46:18 BoogieIcfgContainer [2020-10-13 12:46:18,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:46:18,058 INFO L168 Benchmark]: Toolchain (without parser) took 24483.91 ms. Allocated memory was 141.0 MB in the beginning and 636.5 MB in the end (delta: 495.5 MB). Free memory was 103.6 MB in the beginning and 514.8 MB in the end (delta: -411.2 MB). Peak memory consumption was 503.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:18,059 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:46:18,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.82 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 103.2 MB in the beginning and 175.3 MB in the end (delta: -72.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:18,061 INFO L168 Benchmark]: Boogie Preprocessor took 82.89 ms. Allocated memory is still 205.5 MB. Free memory was 175.3 MB in the beginning and 170.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:18,062 INFO L168 Benchmark]: RCFGBuilder took 1044.30 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 170.9 MB in the beginning and 196.1 MB in the end (delta: -25.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:18,062 INFO L168 Benchmark]: TraceAbstraction took 22730.37 ms. Allocated memory was 234.9 MB in the beginning and 636.5 MB in the end (delta: 401.6 MB). Free memory was 196.1 MB in the beginning and 514.8 MB in the end (delta: -318.7 MB). Peak memory consumption was 501.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:18,066 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 619.82 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 103.2 MB in the beginning and 175.3 MB in the end (delta: -72.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.89 ms. Allocated memory is still 205.5 MB. Free memory was 175.3 MB in the beginning and 170.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1044.30 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 170.9 MB in the beginning and 196.1 MB in the end (delta: -25.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22730.37 ms. Allocated memory was 234.9 MB in the beginning and 636.5 MB in the end (delta: 401.6 MB). Free memory was 196.1 MB in the beginning and 514.8 MB in the end (delta: -318.7 MB). Peak memory consumption was 501.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 864]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 279 SDslu, 118 SDs, 0 SdLazy, 536 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s 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=157occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 155 PreInvPairs, 173 NumberOfFragments, 690 HoareAnnotationTreeSize, 155 FomulaSimplifications, 3420 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5063 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 35972 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...