/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:18:33,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 23:18:33,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 23:18:33,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 23:18:33,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:18:33,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:18:33,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:18:33,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:18:33,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:18:33,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:18:33,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:18:33,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:18:33,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:18:33,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:18:33,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:18:33,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:18:33,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:18:33,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:18:33,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:18:33,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:18:33,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:18:33,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:18:33,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:18:33,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:18:33,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 23:18:33,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 23:18:33,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 23:18:33,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 23:18:33,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 23:18:33,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 23:18:33,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 23:18:33,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 23:18:33,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 23:18:33,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 23:18:33,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 23:18:33,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 23:18:33,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 23:18:33,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 23:18:33,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:18:33,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:18:33,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:18:33,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 23:18:33,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:18:33,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:18:33,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:18:33,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:18:33,454 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:18:33,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:18:33,456 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 23:18:33,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:18:33,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 23:18:33,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:18:33,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:18:33,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:18:33,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:18:33,458 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 23:18:33,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:18:33,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:18:33,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:18:33,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:18:33,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:18:33,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:18:33,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:18:33,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:18:33,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:18:33,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:18:33,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:18:33,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:18:33,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:18:33,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:18:33,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:18:33,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; [2020-08-18 23:18:33,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:18:33,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:18:33,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:18:33,769 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:18:33,770 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:18:33,770 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-08-18 23:18:33,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98fdfe592/d40020d3579344c5961d04723c2161dd/FLAGc8549c327 [2020-08-18 23:18:34,444 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:18:34,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-08-18 23:18:34,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98fdfe592/d40020d3579344c5961d04723c2161dd/FLAGc8549c327 [2020-08-18 23:18:34,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98fdfe592/d40020d3579344c5961d04723c2161dd [2020-08-18 23:18:34,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:18:34,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:18:34,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:18:34,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:18:34,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:18:34,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:18:34" (1/1) ... [2020-08-18 23:18:34,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:34, skipping insertion in model container [2020-08-18 23:18:34,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:18:34" (1/1) ... [2020-08-18 23:18:34,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:18:34,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:18:35,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:18:35,200 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:18:35,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:18:35,345 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:18:35,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35 WrapperNode [2020-08-18 23:18:35,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:18:35,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:18:35,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:18:35,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:18:35,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (1/1) ... [2020-08-18 23:18:35,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (1/1) ... [2020-08-18 23:18:35,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (1/1) ... [2020-08-18 23:18:35,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (1/1) ... [2020-08-18 23:18:35,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (1/1) ... [2020-08-18 23:18:35,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (1/1) ... [2020-08-18 23:18:35,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (1/1) ... [2020-08-18 23:18:35,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:18:35,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:18:35,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:18:35,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:18:35,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:18:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:18:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:18:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 23:18:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 23:18:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 23:18:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 23:18:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 23:18:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 23:18:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 23:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 23:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 23:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 23:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 23:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 23:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 23:18:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 23:18:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 23:18:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 23:18:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 23:18:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 23:18:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 23:18:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 23:18:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 23:18:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 23:18:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 23:18:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 23:18:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 23:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 23:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 23:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 23:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 23:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 23:18:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 23:18:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 23:18:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 23:18:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:18:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:18:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 23:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 23:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 23:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 23:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 23:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 23:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 23:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 23:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 23:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 23:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 23:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 23:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 23:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 23:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 23:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 23:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 23:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 23:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 23:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 23:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 23:18:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 23:18:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 23:18:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 23:18:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 23:18:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 23:18:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 23:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 23:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 23:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 23:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 23:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 23:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 23:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 23:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 23:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 23:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 23:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 23:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 23:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 23:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 23:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 23:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 23:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 23:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:18:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 23:18:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:18:36,578 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:18:36,578 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 23:18:36,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:18:36 BoogieIcfgContainer [2020-08-18 23:18:36,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:18:36,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:18:36,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:18:36,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:18:36,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:18:34" (1/3) ... [2020-08-18 23:18:36,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e78294f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:18:36, skipping insertion in model container [2020-08-18 23:18:36,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:35" (2/3) ... [2020-08-18 23:18:36,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e78294f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:18:36, skipping insertion in model container [2020-08-18 23:18:36,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:18:36" (3/3) ... [2020-08-18 23:18:36,598 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2020-08-18 23:18:36,609 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:18:36,619 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:18:36,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:18:36,651 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:18:36,652 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:18:36,652 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:18:36,652 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:18:36,652 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:18:36,652 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:18:36,653 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:18:36,653 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:18:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-08-18 23:18:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 23:18:36,682 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:18:36,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:18:36,684 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:18:36,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:18:36,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1808633818, now seen corresponding path program 1 times [2020-08-18 23:18:36,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:18:36,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019055903] [2020-08-18 23:18:36,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:18:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,332 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:18:37,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:18:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:18:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:18:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:18:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:18:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:18:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:18:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:18:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:18:37,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019055903] [2020-08-18 23:18:37,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:18:37,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 23:18:37,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145538367] [2020-08-18 23:18:37,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 23:18:37,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:18:37,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 23:18:37,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 23:18:37,478 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 4 states. [2020-08-18 23:18:38,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:18:38,453 INFO L93 Difference]: Finished difference Result 219 states and 292 transitions. [2020-08-18 23:18:38,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 23:18:38,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 23:18:38,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:18:38,469 INFO L225 Difference]: With dead ends: 219 [2020-08-18 23:18:38,470 INFO L226 Difference]: Without dead ends: 125 [2020-08-18 23:18:38,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 23:18:38,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-18 23:18:38,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 95. [2020-08-18 23:18:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-18 23:18:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-08-18 23:18:38,629 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2020-08-18 23:18:38,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:18:38,630 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-08-18 23:18:38,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 23:18:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-08-18 23:18:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 23:18:38,636 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:18:38,636 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] [2020-08-18 23:18:38,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:18:38,637 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:18:38,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:18:38,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1285910176, now seen corresponding path program 1 times [2020-08-18 23:18:38,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:18:38,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402836299] [2020-08-18 23:18:38,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:18:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:38,995 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:18:38,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:18:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:18:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:18:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:39,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:18:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:39,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:18:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:39,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:18:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:39,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:18:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:39,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 23:18:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:18:39,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402836299] [2020-08-18 23:18:39,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:18:39,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 23:18:39,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234728208] [2020-08-18 23:18:39,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 23:18:39,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:18:39,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 23:18:39,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 23:18:39,057 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-08-18 23:18:39,564 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:18:40,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:18:40,111 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2020-08-18 23:18:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 23:18:40,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 23:18:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:18:40,116 INFO L225 Difference]: With dead ends: 155 [2020-08-18 23:18:40,117 INFO L226 Difference]: Without dead ends: 115 [2020-08-18 23:18:40,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:18:40,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-08-18 23:18:40,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2020-08-18 23:18:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-08-18 23:18:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-08-18 23:18:40,160 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2020-08-18 23:18:40,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:18:40,161 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-08-18 23:18:40,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 23:18:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-08-18 23:18:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 23:18:40,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:18:40,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:18:40,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:18:40,164 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:18:40,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:18:40,165 INFO L82 PathProgramCache]: Analyzing trace with hash -2002808083, now seen corresponding path program 1 times [2020-08-18 23:18:40,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:18:40,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790843678] [2020-08-18 23:18:40,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:18:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,562 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:18:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:18:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:18:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:18:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:18:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:18:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:18:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 23:18:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 23:18:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:18:40,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790843678] [2020-08-18 23:18:40,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:18:40,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 23:18:40,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136122744] [2020-08-18 23:18:40,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:18:40,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:18:40,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:18:40,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:18:40,674 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 9 states. [2020-08-18 23:18:41,071 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 23:18:41,406 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:41,638 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:41,880 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:42,671 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:18:43,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:18:43,742 INFO L93 Difference]: Finished difference Result 298 states and 378 transitions. [2020-08-18 23:18:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 23:18:43,744 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-18 23:18:43,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:18:43,748 INFO L225 Difference]: With dead ends: 298 [2020-08-18 23:18:43,748 INFO L226 Difference]: Without dead ends: 240 [2020-08-18 23:18:43,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 23:18:43,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-18 23:18:43,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 175. [2020-08-18 23:18:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-08-18 23:18:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 210 transitions. [2020-08-18 23:18:43,806 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 210 transitions. Word has length 56 [2020-08-18 23:18:43,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:18:43,806 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 210 transitions. [2020-08-18 23:18:43,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:18:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 210 transitions. [2020-08-18 23:18:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 23:18:43,809 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:18:43,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:18:43,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 23:18:43,809 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:18:43,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:18:43,810 INFO L82 PathProgramCache]: Analyzing trace with hash 452268529, now seen corresponding path program 1 times [2020-08-18 23:18:43,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:18:43,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796786126] [2020-08-18 23:18:43,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:18:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,115 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:18:44,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:18:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:18:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:18:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:18:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:18:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:18:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 23:18:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 23:18:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 23:18:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:18:44,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796786126] [2020-08-18 23:18:44,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:18:44,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 23:18:44,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811887778] [2020-08-18 23:18:44,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:18:44,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:18:44,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:18:44,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:18:44,235 INFO L87 Difference]: Start difference. First operand 175 states and 210 transitions. Second operand 8 states. [2020-08-18 23:18:44,624 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 23:18:45,532 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:45,809 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:46,075 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:46,312 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 23:18:46,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:18:46,783 INFO L93 Difference]: Finished difference Result 521 states and 681 transitions. [2020-08-18 23:18:46,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 23:18:46,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 23:18:46,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:18:46,789 INFO L225 Difference]: With dead ends: 521 [2020-08-18 23:18:46,789 INFO L226 Difference]: Without dead ends: 374 [2020-08-18 23:18:46,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-18 23:18:46,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-08-18 23:18:46,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 298. [2020-08-18 23:18:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-18 23:18:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 360 transitions. [2020-08-18 23:18:46,877 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 360 transitions. Word has length 59 [2020-08-18 23:18:46,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:18:46,878 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 360 transitions. [2020-08-18 23:18:46,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:18:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 360 transitions. [2020-08-18 23:18:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 23:18:46,880 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:18:46,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:18:46,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 23:18:46,881 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:18:46,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:18:46,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1021481045, now seen corresponding path program 1 times [2020-08-18 23:18:46,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:18:46,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820440462] [2020-08-18 23:18:46,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:18:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,241 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:18:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:18:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:18:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:18:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:18:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:18:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:18:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 23:18:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 23:18:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 23:18:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 23:18:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:18:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:18:47,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820440462] [2020-08-18 23:18:47,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:18:47,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 23:18:47,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546531036] [2020-08-18 23:18:47,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:18:47,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:18:47,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:18:47,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:18:47,324 INFO L87 Difference]: Start difference. First operand 298 states and 360 transitions. Second operand 9 states. [2020-08-18 23:18:47,816 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 23:18:48,668 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:48,953 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:49,196 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:18:49,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:18:49,408 INFO L93 Difference]: Finished difference Result 613 states and 806 transitions. [2020-08-18 23:18:49,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 23:18:49,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-18 23:18:49,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:18:49,411 INFO L225 Difference]: With dead ends: 613 [2020-08-18 23:18:49,411 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 23:18:49,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-18 23:18:49,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 23:18:49,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 23:18:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 23:18:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 23:18:49,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-18 23:18:49,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:18:49,419 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 23:18:49,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:18:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 23:18:49,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 23:18:49,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 23:18:49,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 23:18:49,541 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-08-18 23:18:52,764 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-08-18 23:18:52,942 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 23:18:53,269 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 23:18:53,624 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-18 23:18:53,805 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 23:18:53,988 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 23:18:54,305 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 23:18:54,478 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 23:18:54,647 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 23:18:54,902 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:18:55,084 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 23:18:55,268 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 23:18:55,590 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-18 23:18:55,759 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 23:18:55,927 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:18:56,246 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 23:18:56,411 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 23:18:56,760 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 23:18:56,939 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 23:18:57,243 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-18 23:18:57,420 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 23:18:57,739 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 23:18:57,786 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-08-18 23:18:57,786 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-08-18 23:18:57,786 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-08-18 23:18:57,786 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-08-18 23:18:57,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-08-18 23:18:57,786 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-08-18 23:18:57,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-08-18 23:18:57,787 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-08-18 23:18:57,787 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-08-18 23:18:57,787 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-08-18 23:18:57,787 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-08-18 23:18:57,787 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-08-18 23:18:57,787 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-08-18 23:18:57,787 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-08-18 23:18:57,787 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-08-18 23:18:57,788 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-08-18 23:18:57,788 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-08-18 23:18:57,788 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-08-18 23:18:57,788 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 344 350) the Hoare annotation is: true [2020-08-18 23:18:57,789 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 344 350) no Hoare annotation was computed. [2020-08-18 23:18:57,789 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 351 359) no Hoare annotation was computed. [2020-08-18 23:18:57,789 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 351 359) the Hoare annotation is: true [2020-08-18 23:18:57,789 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 351 359) no Hoare annotation was computed. [2020-08-18 23:18:57,790 INFO L264 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 23:18:57,791 INFO L264 CegarLoopResult]: At program point L447-1(line 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 23:18:57,791 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:18:57,791 INFO L268 CegarLoopResult]: For program point L445(lines 445 452) no Hoare annotation was computed. [2020-08-18 23:18:57,792 INFO L268 CegarLoopResult]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2020-08-18 23:18:57,792 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-18 23:18:57,792 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:18:57,793 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:18:57,793 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2020-08-18 23:18:57,793 INFO L264 CegarLoopResult]: At program point L441-1(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:18:57,793 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 435 457) no Hoare annotation was computed. [2020-08-18 23:18:57,793 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2020-08-18 23:18:57,793 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2020-08-18 23:18:57,793 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2020-08-18 23:18:57,795 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-18 23:18:57,795 INFO L268 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-08-18 23:18:57,795 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-08-18 23:18:57,795 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-08-18 23:18:57,796 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 23:18:57,797 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-18 23:18:57,797 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 156 170) no Hoare annotation was computed. [2020-08-18 23:18:57,797 INFO L268 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-08-18 23:18:57,797 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 156 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 23:18:57,797 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 156 170) no Hoare annotation was computed. [2020-08-18 23:18:57,797 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 23:18:57,797 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 111 119) no Hoare annotation was computed. [2020-08-18 23:18:57,798 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 111 119) the Hoare annotation is: true [2020-08-18 23:18:57,798 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 111 119) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 120 155) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 120 155) no Hoare annotation was computed. [2020-08-18 23:18:57,799 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 120 155) no Hoare annotation was computed. [2020-08-18 23:18:57,800 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 337 343) no Hoare annotation was computed. [2020-08-18 23:18:57,800 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 337 343) the Hoare annotation is: true [2020-08-18 23:18:57,800 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-08-18 23:18:57,800 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-08-18 23:18:57,800 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-08-18 23:18:57,800 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-08-18 23:18:57,800 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-08-18 23:18:57,800 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-08-18 23:18:57,800 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-08-18 23:18:57,801 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-08-18 23:18:57,801 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-08-18 23:18:57,801 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 424 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:18:57,801 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 23:18:57,801 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 424 434) no Hoare annotation was computed. [2020-08-18 23:18:57,801 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 424 434) no Hoare annotation was computed. [2020-08-18 23:18:57,801 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 100 110) no Hoare annotation was computed. [2020-08-18 23:18:57,802 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 100 110) no Hoare annotation was computed. [2020-08-18 23:18:57,802 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-08-18 23:18:57,802 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-08-18 23:18:57,802 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 100 110) no Hoare annotation was computed. [2020-08-18 23:18:57,802 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 92 99) the Hoare annotation is: true [2020-08-18 23:18:57,802 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 92 99) no Hoare annotation was computed. [2020-08-18 23:18:57,802 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 92 99) no Hoare annotation was computed. [2020-08-18 23:18:57,802 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 77 83) no Hoare annotation was computed. [2020-08-18 23:18:57,802 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 77 83) the Hoare annotation is: true [2020-08-18 23:18:57,803 INFO L264 CegarLoopResult]: At program point testENTRY(lines 175 240) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:18:57,804 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 23:18:57,804 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-08-18 23:18:57,804 INFO L264 CegarLoopResult]: At program point L221-1(lines 215 228) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 23:18:57,804 INFO L268 CegarLoopResult]: For program point L186(lines 185 232) no Hoare annotation was computed. [2020-08-18 23:18:57,804 INFO L268 CegarLoopResult]: For program point L215(lines 215 228) no Hoare annotation was computed. [2020-08-18 23:18:57,804 INFO L268 CegarLoopResult]: For program point testFINAL(lines 175 240) no Hoare annotation was computed. [2020-08-18 23:18:57,805 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 23:18:57,805 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-08-18 23:18:57,805 INFO L268 CegarLoopResult]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2020-08-18 23:18:57,806 INFO L264 CegarLoopResult]: At program point L230(lines 185 232) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 23:18:57,806 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 23:18:57,806 INFO L268 CegarLoopResult]: For program point L195(lines 195 201) no Hoare annotation was computed. [2020-08-18 23:18:57,806 INFO L268 CegarLoopResult]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2020-08-18 23:18:57,806 INFO L268 CegarLoopResult]: For program point L187(lines 187 191) no Hoare annotation was computed. [2020-08-18 23:18:57,806 INFO L264 CegarLoopResult]: At program point L233(lines 184 234) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:18:57,806 INFO L268 CegarLoopResult]: For program point testEXIT(lines 175 240) no Hoare annotation was computed. [2020-08-18 23:18:57,806 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-08-18 23:18:57,807 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-08-18 23:18:57,807 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-08-18 23:18:57,807 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-08-18 23:18:57,807 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-08-18 23:18:57,807 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-08-18 23:18:57,807 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 23:18:57,807 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 835 863) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 23:18:57,808 INFO L268 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2020-08-18 23:18:57,808 INFO L268 CegarLoopResult]: For program point L847(lines 847 857) no Hoare annotation was computed. [2020-08-18 23:18:57,808 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 23:18:57,808 INFO L268 CegarLoopResult]: For program point L845-1(line 845) no Hoare annotation was computed. [2020-08-18 23:18:57,808 INFO L268 CegarLoopResult]: For program point L843(lines 843 860) no Hoare annotation was computed. [2020-08-18 23:18:57,808 INFO L268 CegarLoopResult]: For program point L843-1(lines 835 863) no Hoare annotation was computed. [2020-08-18 23:18:57,808 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 23:18:57,808 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-08-18 23:18:57,808 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 835 863) no Hoare annotation was computed. [2020-08-18 23:18:57,809 INFO L268 CegarLoopResult]: For program point L298(lines 298 306) no Hoare annotation was computed. [2020-08-18 23:18:57,809 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 290 312) no Hoare annotation was computed. [2020-08-18 23:18:57,809 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 306) no Hoare annotation was computed. [2020-08-18 23:18:57,809 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 290 312) no Hoare annotation was computed. [2020-08-18 23:18:57,809 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 290 312) no Hoare annotation was computed. [2020-08-18 23:18:57,809 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 827 834) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 23:18:57,809 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 827 834) no Hoare annotation was computed. [2020-08-18 23:18:57,809 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 827 834) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 327 336) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 327 336) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 327 336) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-08-18 23:18:57,810 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-08-18 23:18:57,811 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-08-18 23:18:57,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:18:57,812 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#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)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 23:18:57,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:18:57,812 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 84 91) no Hoare annotation was computed. [2020-08-18 23:18:57,812 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 84 91) no Hoare annotation was computed. [2020-08-18 23:18:57,812 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 84 91) no Hoare annotation was computed. [2020-08-18 23:18:57,813 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 313 321) no Hoare annotation was computed. [2020-08-18 23:18:57,813 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 313 321) no Hoare annotation was computed. [2020-08-18 23:18:57,813 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 313 321) no Hoare annotation was computed. [2020-08-18 23:18:57,813 INFO L268 CegarLoopResult]: For program point L273-1(lines 269 280) no Hoare annotation was computed. [2020-08-18 23:18:57,813 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 269 280) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 23:18:57,813 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 269 280) no Hoare annotation was computed. [2020-08-18 23:18:57,813 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:18:57,813 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 23:18:57,813 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:18:57,814 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 281 289) the Hoare annotation is: true [2020-08-18 23:18:57,814 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 281 289) no Hoare annotation was computed. [2020-08-18 23:18:57,814 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 281 289) no Hoare annotation was computed. [2020-08-18 23:18:57,814 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-08-18 23:18:57,814 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 23:18:57,814 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-08-18 23:18:57,814 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 23:18:57,814 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-08-18 23:18:57,815 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-08-18 23:18:57,815 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 23:18:57,815 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2020-08-18 23:18:57,816 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-08-18 23:18:57,816 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2020-08-18 23:18:57,816 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-08-18 23:18:57,816 INFO L271 CegarLoopResult]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2020-08-18 23:18:57,816 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-08-18 23:18:57,816 INFO L271 CegarLoopResult]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2020-08-18 23:18:57,816 INFO L271 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: true [2020-08-18 23:18:57,817 INFO L268 CegarLoopResult]: For program point L368-1(line 368) no Hoare annotation was computed. [2020-08-18 23:18:57,817 INFO L271 CegarLoopResult]: At program point L387(lines 362 391) the Hoare annotation is: true [2020-08-18 23:18:57,817 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 245 256) the Hoare annotation is: true [2020-08-18 23:18:57,817 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 245 256) no Hoare annotation was computed. [2020-08-18 23:18:57,817 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 256) no Hoare annotation was computed. [2020-08-18 23:18:57,817 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2020-08-18 23:18:57,817 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2020-08-18 23:18:57,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:18:57,818 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 23:18:57,818 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 23:18:57,818 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:18:57,818 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 257 268) no Hoare annotation was computed. [2020-08-18 23:18:57,818 INFO L268 CegarLoopResult]: For program point L261-1(lines 257 268) no Hoare annotation was computed. [2020-08-18 23:18:57,818 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 257 268) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 23:18:57,818 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 865 872) no Hoare annotation was computed. [2020-08-18 23:18:57,819 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2020-08-18 23:18:57,819 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 865 872) the Hoare annotation is: true [2020-08-18 23:18:57,819 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 865 872) no Hoare annotation was computed. [2020-08-18 23:18:57,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:18:57 BoogieIcfgContainer [2020-08-18 23:18:57,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 23:18:57,851 INFO L168 Benchmark]: Toolchain (without parser) took 23130.45 ms. Allocated memory was 138.9 MB in the beginning and 623.9 MB in the end (delta: 485.0 MB). Free memory was 100.8 MB in the beginning and 132.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 470.2 MB. Max. memory is 7.1 GB. [2020-08-18 23:18:57,852 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 23:18:57,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.64 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 171.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-08-18 23:18:57,854 INFO L168 Benchmark]: Boogie Preprocessor took 85.99 ms. Allocated memory is still 202.4 MB. Free memory was 171.7 MB in the beginning and 167.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-18 23:18:57,855 INFO L168 Benchmark]: RCFGBuilder took 1154.82 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.0 MB in the beginning and 202.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2020-08-18 23:18:57,856 INFO L168 Benchmark]: TraceAbstraction took 21259.61 ms. Allocated memory was 234.4 MB in the beginning and 623.9 MB in the end (delta: 389.5 MB). Free memory was 200.9 MB in the beginning and 132.3 MB in the end (delta: 68.6 MB). Peak memory consumption was 474.8 MB. Max. memory is 7.1 GB. [2020-08-18 23:18:57,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.64 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 171.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.99 ms. Allocated memory is still 202.4 MB. Free memory was 171.7 MB in the beginning and 167.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1154.82 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.0 MB in the beginning and 202.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21259.61 ms. Allocated memory was 234.4 MB in the beginning and 623.9 MB in the end (delta: 389.5 MB). Free memory was 200.9 MB in the beginning and 132.3 MB in the end (delta: 68.6 MB). Peak memory consumption was 474.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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: 185]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 392 SDtfs, 699 SDslu, 429 SDs, 0 SdLazy, 1695 SolverSat, 491 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 200 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 351 PreInvPairs, 436 NumberOfFragments, 717 HoareAnnotationTreeSize, 351 FomulaSimplifications, 163537 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 46 FomulaSimplificationsInter, 14700 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 79816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...