/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 produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:05:42,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:05:42,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:05:42,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:05:42,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:05:42,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:05:42,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:05:42,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:05:42,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:05:42,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:05:42,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:05:42,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:05:42,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:05:42,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:05:42,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:05:42,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:05:42,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:05:42,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:05:42,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:05:42,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:05:42,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:05:42,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:05:42,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:05:42,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:05:42,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:05:42,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:05:42,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:05:42,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:05:42,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:05:42,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:05:42,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:05:42,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:05:42,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:05:42,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:05:42,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:05:42,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:05:42,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:05:42,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:05:42,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:05:42,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:05:42,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:05:42,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:05:42,503 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:05:42,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:05:42,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:05:42,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:05:42,506 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:05:42,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:05:42,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:05:42,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:05:42,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:05:42,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:05:42,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:05:42,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:05:42,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:05:42,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:05:42,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:05:42,510 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:05:42,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:05:42,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:05:42,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:05:42,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:05:42,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:05:42,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:42,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:05:42,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:05:42,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:05:42,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:05:42,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:05:42,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:05:42,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:05:42,512 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:05:43,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:05:43,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:05:43,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:05:43,024 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:05:43,025 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:05:43,026 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-09-21 12:05:43,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56bdf4744/94634750576d419498f0269772b8bf90/FLAGd131ee5a2 [2020-09-21 12:05:43,781 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:05:43,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-09-21 12:05:43,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56bdf4744/94634750576d419498f0269772b8bf90/FLAGd131ee5a2 [2020-09-21 12:05:43,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56bdf4744/94634750576d419498f0269772b8bf90 [2020-09-21 12:05:44,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:05:44,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:05:44,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:44,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:05:44,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:05:44,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:43" (1/1) ... [2020-09-21 12:05:44,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44, skipping insertion in model container [2020-09-21 12:05:44,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:43" (1/1) ... [2020-09-21 12:05:44,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:05:44,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:05:44,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:44,617 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:05:44,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:44,766 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:05:44,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44 WrapperNode [2020-09-21 12:05:44,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:44,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:05:44,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:05:44,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:05:44,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:05:44,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:05:44,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:05:44,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:05:44,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:05:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:05:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:05:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:05:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:05:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:05:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:05:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:05:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:05:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:05:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:05:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:05:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:05:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:05:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:05:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:05:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:05:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:05:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:05:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:05:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:05:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:05:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:05:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:05:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:05:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:05:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:05:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:05:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:05:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:05:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:05:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:05:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:05:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:05:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:05:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:05:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:05:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:05:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:05:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:05:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:05:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:05:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:05:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:05:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:05:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:05:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:05:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:05:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:05:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:05:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:05:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:05:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:05:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:05:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:05:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:05:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:05:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:05:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:05:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:05:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:05:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:05:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:05:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:05:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:05:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:05:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:05:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:05:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:05:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:05:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:05:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:05:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:05:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:05:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:05:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:05:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:05:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:05:46,009 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:05:46,009 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:05:46,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:46 BoogieIcfgContainer [2020-09-21 12:05:46,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:05:46,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:05:46,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:05:46,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:05:46,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:05:43" (1/3) ... [2020-09-21 12:05:46,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5758b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:46, skipping insertion in model container [2020-09-21 12:05:46,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (2/3) ... [2020-09-21 12:05:46,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5758b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:46, skipping insertion in model container [2020-09-21 12:05:46,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:46" (3/3) ... [2020-09-21 12:05:46,028 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2020-09-21 12:05:46,039 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:05:46,050 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:05:46,070 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:05:46,097 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:05:46,097 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:05:46,097 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:05:46,097 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:05:46,098 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:05:46,098 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:05:46,098 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:05:46,098 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:05:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-09-21 12:05:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:05:46,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:46,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:46,134 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:46,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:46,140 INFO L82 PathProgramCache]: Analyzing trace with hash 178766383, now seen corresponding path program 1 times [2020-09-21 12:05:46,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:46,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543855252] [2020-09-21 12:05:46,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:46,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:46,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:47,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:47,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:05:47,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:47,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1045 [2020-09-21 12:05:47,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:05:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:47,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:05:47,902 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:47,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:47,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:47,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:47,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:47,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 12:05:47,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:47,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:05:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:48,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:48,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:48,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:48,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:48,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:48,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:48,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:48,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:05:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:48,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:05:48,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:48,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:48,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:48,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543855252] [2020-09-21 12:05:48,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:48,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:05:48,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976575836] [2020-09-21 12:05:48,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:05:48,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:48,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:05:48,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:48,150 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-09-21 12:05:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:49,274 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2020-09-21 12:05:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:05:49,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:05:49,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:49,295 INFO L225 Difference]: With dead ends: 251 [2020-09-21 12:05:49,295 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 12:05:49,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 12:05:49,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2020-09-21 12:05:49,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-21 12:05:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-09-21 12:05:49,401 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2020-09-21 12:05:49,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:49,402 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-09-21 12:05:49,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:05:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-09-21 12:05:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:05:49,407 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:49,408 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:49,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:05:49,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:49,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1214184321, now seen corresponding path program 1 times [2020-09-21 12:05:49,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:49,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829216820] [2020-09-21 12:05:49,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:49,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:49,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:50,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:50,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:50,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:05:50,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1318 [2020-09-21 12:05:50,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:05:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:05:50,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:51,125 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:51,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:51,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:05:51,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:51,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:51,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:51,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:51,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:51,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:51,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:51,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:51,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:51,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:51,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:51,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:51,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:51,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:51,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:51,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:05:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:51,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:51,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:51,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829216820] [2020-09-21 12:05:51,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:51,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:51,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437652855] [2020-09-21 12:05:51,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:51,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:51,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:51,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:51,288 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2020-09-21 12:05:51,724 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:52,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:52,318 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2020-09-21 12:05:52,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:52,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:05:52,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:52,321 INFO L225 Difference]: With dead ends: 178 [2020-09-21 12:05:52,322 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 12:05:52,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:52,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 12:05:52,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-09-21 12:05:52,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-21 12:05:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-09-21 12:05:52,357 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2020-09-21 12:05:52,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:52,358 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-09-21 12:05:52,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-09-21 12:05:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:05:52,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:52,360 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] [2020-09-21 12:05:52,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:05:52,361 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:52,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:52,361 INFO L82 PathProgramCache]: Analyzing trace with hash -75048457, now seen corresponding path program 1 times [2020-09-21 12:05:52,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:52,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870799701] [2020-09-21 12:05:52,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:52,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:52,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:05:53,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:53,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:05:53,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:05:53,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:53,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:05:53,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:53,686 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:53,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:53,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:53,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:53,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-21 12:05:53,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:53,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:53,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:53,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:53,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:53,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:53,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:53,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:53,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:53,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:53,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:53,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:53,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:05:53,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:53,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:53,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:53,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:53,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:53,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:53,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:53,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:53,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:05:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:53,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:53,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:53,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:53,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:53,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:53,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:53,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:53,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:05:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:53,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:53,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:53,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:53,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:53,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:53,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:53,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870799701] [2020-09-21 12:05:53,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:53,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:53,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313742701] [2020-09-21 12:05:53,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:53,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:53,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:53,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:53,910 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 4 states. [2020-09-21 12:05:54,261 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:55,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:55,482 INFO L93 Difference]: Finished difference Result 275 states and 344 transitions. [2020-09-21 12:05:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:55,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:05:55,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:55,486 INFO L225 Difference]: With dead ends: 275 [2020-09-21 12:05:55,486 INFO L226 Difference]: Without dead ends: 203 [2020-09-21 12:05:55,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:55,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-09-21 12:05:55,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 162. [2020-09-21 12:05:55,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-21 12:05:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 195 transitions. [2020-09-21 12:05:55,544 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 195 transitions. Word has length 51 [2020-09-21 12:05:55,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:55,545 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 195 transitions. [2020-09-21 12:05:55,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2020-09-21 12:05:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:05:55,547 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:55,547 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] [2020-09-21 12:05:55,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:05:55,548 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:55,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:55,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1167362893, now seen corresponding path program 1 times [2020-09-21 12:05:55,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:55,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274806847] [2020-09-21 12:05:55,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:56,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:56,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:56,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:05:56,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1054 [2020-09-21 12:05:56,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:05:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 12:05:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:05:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,033 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:57,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:57,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:05:57,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:57,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:57,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:57,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:57,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:57,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:57,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:57,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:57,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:57,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:57,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:05:57,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:05:57,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:57,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:05:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:57,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:05:57,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:57,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:05:57,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:05:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:57,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:05:57,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:05:57,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:57,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:57,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274806847] [2020-09-21 12:05:57,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:57,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:05:57,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504909275] [2020-09-21 12:05:57,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:05:57,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:57,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:05:57,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:05:57,297 INFO L87 Difference]: Start difference. First operand 162 states and 195 transitions. Second operand 8 states. [2020-09-21 12:05:57,891 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:58,763 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:59,053 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:05:59,399 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:05:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:59,661 INFO L93 Difference]: Finished difference Result 282 states and 356 transitions. [2020-09-21 12:05:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:05:59,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 12:05:59,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:59,663 INFO L225 Difference]: With dead ends: 282 [2020-09-21 12:05:59,663 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:05:59,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:05:59,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:05:59,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:05:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:05:59,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:05:59,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-09-21 12:05:59,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:59,668 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:05:59,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:05:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:05:59,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:05:59,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:05:59,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:05:59,921 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:00,084 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:00,208 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 7 [2020-09-21 12:06:00,375 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:00,539 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:00,665 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 7 [2020-09-21 12:06:00,771 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 7 [2020-09-21 12:06:00,927 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:01,092 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:01,256 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:01,415 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:01,576 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:01,835 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:06:01,992 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:02,252 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:06:02,415 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:02,573 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:02,739 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:02,901 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:03,060 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:03,218 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:03,371 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:03,530 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:03,689 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:03,840 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:03,999 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:04,154 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:04,304 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:04,467 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:04,619 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:04,743 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 7 [2020-09-21 12:06:04,922 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:05,075 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:05,233 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:05,487 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:05,643 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:05,792 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:05,952 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:06,112 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:06,277 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:06,426 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:06,684 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:06:06,834 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:07,079 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:06:07,242 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:07,408 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:07,558 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:07,712 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:07,862 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:08,033 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:08,186 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:08,613 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 9 [2020-09-21 12:06:08,863 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:09,218 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:09,452 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:09,887 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-21 12:06:10,288 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-09-21 12:06:10,531 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:10,742 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:11,150 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 10 [2020-09-21 12:06:11,534 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 9 [2020-09-21 12:06:11,965 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 10 [2020-09-21 12:06:12,155 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:12,392 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:12,622 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:12,847 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:13,025 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:13,227 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:13,481 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:13,674 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:14,056 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-09-21 12:06:14,285 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:06:14,697 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-21 12:06:14,911 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:14,930 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-09-21 12:06:14,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-09-21 12:06:14,930 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-09-21 12:06:14,930 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-09-21 12:06:14,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-09-21 12:06:14,930 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-09-21 12:06:14,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-09-21 12:06:14,932 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-09-21 12:06:14,932 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-09-21 12:06:14,932 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2020-09-21 12:06:14,932 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2020-09-21 12:06:14,932 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2020-09-21 12:06:14,932 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2020-09-21 12:06:14,932 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2020-09-21 12:06:14,932 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:06:14,932 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 12:06:14,933 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:14,933 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:14,933 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:14,933 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:14,933 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:06:14,933 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:06:14,934 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:14,934 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:14,934 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:06:14,934 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:06:14,934 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:06:14,934 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:06:14,934 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:06:14,935 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:06:14,935 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:06:14,935 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:06:14,935 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:06:14,935 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:06:14,935 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:06:14,935 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:06:14,935 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:06:14,936 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:06:14,936 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:06:14,936 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:06:14,936 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:06:14,936 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:06:14,936 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 330 336) no Hoare annotation was computed. [2020-09-21 12:06:14,936 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 330 336) the Hoare annotation is: true [2020-09-21 12:06:14,936 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 452 466) no Hoare annotation was computed. [2020-09-21 12:06:14,937 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,937 INFO L268 CegarLoopResult]: For program point L456(lines 456 462) no Hoare annotation was computed. [2020-09-21 12:06:14,937 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 452 466) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,937 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 452 466) no Hoare annotation was computed. [2020-09-21 12:06:14,937 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 363 370) no Hoare annotation was computed. [2020-09-21 12:06:14,937 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 363 370) no Hoare annotation was computed. [2020-09-21 12:06:14,937 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 363 370) no Hoare annotation was computed. [2020-09-21 12:06:14,937 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 407 415) no Hoare annotation was computed. [2020-09-21 12:06:14,937 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 407 415) the Hoare annotation is: true [2020-09-21 12:06:14,937 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 407 415) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point L435(lines 435 443) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point L435-2(lines 435 443) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 416 451) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 416 451) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-09-21 12:06:14,938 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 416 451) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-09-21 12:06:14,939 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-09-21 12:06:14,940 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-09-21 12:06:14,940 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:14,940 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:06:14,940 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:06:14,940 INFO L271 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: true [2020-09-21 12:06:14,940 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-09-21 12:06:14,940 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 396 406) the Hoare annotation is: true [2020-09-21 12:06:14,940 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 396 406) no Hoare annotation was computed. [2020-09-21 12:06:14,940 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 396 406) no Hoare annotation was computed. [2020-09-21 12:06:14,940 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 388 395) the Hoare annotation is: true [2020-09-21 12:06:14,940 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 388 395) no Hoare annotation was computed. [2020-09-21 12:06:14,941 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 388 395) no Hoare annotation was computed. [2020-09-21 12:06:14,941 INFO L264 CegarLoopResult]: At program point L352(line 352) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,941 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,941 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-09-21 12:06:14,941 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,941 INFO L268 CegarLoopResult]: For program point L344-1(line 344) no Hoare annotation was computed. [2020-09-21 12:06:14,941 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 338 362) no Hoare annotation was computed. [2020-09-21 12:06:14,941 INFO L268 CegarLoopResult]: For program point L342(lines 342 359) no Hoare annotation was computed. [2020-09-21 12:06:14,942 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 338 362) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-09-21 12:06:14,942 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-09-21 12:06:14,942 INFO L268 CegarLoopResult]: For program point L357-1(lines 338 362) no Hoare annotation was computed. [2020-09-21 12:06:14,942 INFO L264 CegarLoopResult]: At program point L514-1(lines 508 521) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:06:14,942 INFO L264 CegarLoopResult]: At program point testENTRY(lines 468 533) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:14,942 INFO L268 CegarLoopResult]: For program point L479(lines 478 525) no Hoare annotation was computed. [2020-09-21 12:06:14,943 INFO L268 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-09-21 12:06:14,943 INFO L268 CegarLoopResult]: For program point testFINAL(lines 468 533) no Hoare annotation was computed. [2020-09-21 12:06:14,943 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:06:14,943 INFO L268 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-09-21 12:06:14,943 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2020-09-21 12:06:14,943 INFO L264 CegarLoopResult]: At program point L523(lines 478 525) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:06:14,944 INFO L264 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:06:14,944 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-09-21 12:06:14,944 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-09-21 12:06:14,944 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-09-21 12:06:14,944 INFO L264 CegarLoopResult]: At program point L526(lines 477 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,944 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:06:14,944 INFO L268 CegarLoopResult]: For program point testEXIT(lines 468 533) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-09-21 12:06:14,945 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 229 238) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-09-21 12:06:14,946 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-09-21 12:06:14,947 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-09-21 12:06:14,947 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-09-21 12:06:14,947 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-09-21 12:06:14,947 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-09-21 12:06:14,947 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-09-21 12:06:14,947 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-09-21 12:06:14,947 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-09-21 12:06:14,947 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-09-21 12:06:14,948 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-09-21 12:06:14,948 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-09-21 12:06:14,948 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-09-21 12:06:14,948 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-09-21 12:06:14,948 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-09-21 12:06:14,948 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.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~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.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~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point L382-1(lines 371 387) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 371 387) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 371 387) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-09-21 12:06:14,949 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2020-09-21 12:06:14,950 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-09-21 12:06:14,950 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-09-21 12:06:14,950 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-09-21 12:06:14,950 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:06:14,950 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-09-21 12:06:14,950 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:14,950 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:06:14,950 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:14,950 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,951 INFO L264 CegarLoopResult]: At program point L317(lines 317 323) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,951 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,951 INFO L268 CegarLoopResult]: For program point L310(lines 309 328) no Hoare annotation was computed. [2020-09-21 12:06:14,951 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 306 329) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:14,951 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 306 329) no Hoare annotation was computed. [2020-09-21 12:06:14,951 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 306 329) no Hoare annotation was computed. [2020-09-21 12:06:14,951 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:06:14,951 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:06:14,951 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 12:06:14,952 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:06:14,952 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 12:06:14,952 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:06:14,952 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 12:06:14,952 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 12:06:14,952 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:06:14,952 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:06:14,952 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-09-21 12:06:14,952 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-09-21 12:06:14,952 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-09-21 12:06:14,952 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-09-21 12:06:14,952 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-09-21 12:06:14,953 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-09-21 12:06:14,953 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:06:14,953 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:06:14,953 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:14,953 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:06:14,953 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:06:14,953 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:14,953 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-09-21 12:06:14,953 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-09-21 12:06:14,953 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:06:14,953 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2020-09-21 12:06:14,953 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-21 12:06:14,954 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2020-09-21 12:06:14,954 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2020-09-21 12:06:14,954 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 265 289) the Hoare annotation is: true [2020-09-21 12:06:14,954 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 265 289) no Hoare annotation was computed. [2020-09-21 12:06:14,954 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:06:14,954 INFO L268 CegarLoopResult]: For program point L277(lines 277 283) no Hoare annotation was computed. [2020-09-21 12:06:14,954 INFO L271 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: true [2020-09-21 12:06:14,954 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 12:06:14,955 INFO L268 CegarLoopResult]: For program point L273(lines 273 286) no Hoare annotation was computed. [2020-09-21 12:06:14,955 INFO L268 CegarLoopResult]: For program point L273-1(lines 265 289) no Hoare annotation was computed. [2020-09-21 12:06:14,955 INFO L271 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: true [2020-09-21 12:06:14,955 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-09-21 12:06:14,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:06:14 BoogieIcfgContainer [2020-09-21 12:06:14,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:06:14,975 INFO L168 Benchmark]: Toolchain (without parser) took 30971.76 ms. Allocated memory was 146.3 MB in the beginning and 551.0 MB in the end (delta: 404.8 MB). Free memory was 101.1 MB in the beginning and 147.0 MB in the end (delta: -45.9 MB). Peak memory consumption was 419.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:14,976 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:06:14,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.32 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 100.5 MB in the beginning and 172.0 MB in the end (delta: -71.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:14,977 INFO L168 Benchmark]: Boogie Preprocessor took 120.01 ms. Allocated memory is still 201.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:14,978 INFO L168 Benchmark]: RCFGBuilder took 1129.72 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 167.9 MB in the beginning and 201.4 MB in the end (delta: -33.5 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:14,979 INFO L168 Benchmark]: TraceAbstraction took 28952.73 ms. Allocated memory was 234.9 MB in the beginning and 551.0 MB in the end (delta: 316.1 MB). Free memory was 201.4 MB in the beginning and 147.0 MB in the end (delta: 54.4 MB). Peak memory consumption was 431.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:14,983 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 146.3 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 755.32 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 100.5 MB in the beginning and 172.0 MB in the end (delta: -71.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.01 ms. Allocated memory is still 201.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1129.72 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 167.9 MB in the beginning and 201.4 MB in the end (delta: -33.5 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28952.73 ms. Allocated memory was 234.9 MB in the beginning and 551.0 MB in the end (delta: 316.1 MB). Free memory was 201.4 MB in the beginning and 147.0 MB in the end (delta: 54.4 MB). Peak memory consumption was 431.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: 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: 477]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 360 SDtfs, 428 SDslu, 141 SDs, 0 SdLazy, 716 SolverSat, 258 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 98 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 225 PreInvPairs, 248 NumberOfFragments, 717 HoareAnnotationTreeSize, 225 FomulaSimplifications, 8452 FormulaSimplificationTreeSizeReduction, 8.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 7910 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 53788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...