/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_spec5_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:17:00,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:17:00,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:17:00,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:17:00,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:17:00,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:17:00,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:17:00,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:17:00,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:17:00,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:17:00,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:17:00,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:17:00,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:17:00,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:17:00,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:17:00,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:17:00,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:17:00,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:17:00,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:17:00,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:17:00,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:17:00,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:17:00,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:17:00,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:17:00,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:17:00,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:17:00,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:17:00,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:17:00,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:17:00,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:17:00,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:17:00,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:17:00,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:17:00,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:17:00,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:17:00,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:17:00,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:17:00,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:17:00,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:17:00,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:17:00,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:17:00,456 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 12:17:00,513 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:17:00,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:17:00,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:17:00,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:17:00,516 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:17:00,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:17:00,516 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:17:00,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:17:00,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:17:00,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:17:00,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:17:00,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:17:00,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:17:00,518 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:17:00,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:17:00,519 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:17:00,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:17:00,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:17:00,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:17:00,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:17:00,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:17:00,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:17:00,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:17:00,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:17:00,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:17:00,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:17:00,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:17:00,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:17:00,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:17:00,522 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 12:17:00,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:17:01,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:17:01,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:17:01,026 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:17:01,027 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:17:01,029 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product09.cil.c [2020-09-21 12:17:01,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37f5d2b7/71e8eaf34af748a7bd935458230c83cf/FLAG9c5575d99 [2020-09-21 12:17:01,624 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:17:01,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product09.cil.c [2020-09-21 12:17:01,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37f5d2b7/71e8eaf34af748a7bd935458230c83cf/FLAG9c5575d99 [2020-09-21 12:17:01,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37f5d2b7/71e8eaf34af748a7bd935458230c83cf [2020-09-21 12:17:01,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:17:01,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:17:01,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:01,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:17:01,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:17:01,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:01" (1/1) ... [2020-09-21 12:17:01,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c974b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:01, skipping insertion in model container [2020-09-21 12:17:01,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:01" (1/1) ... [2020-09-21 12:17:01,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:17:02,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:17:02,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:02,566 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:17:02,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:02,682 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:17:02,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02 WrapperNode [2020-09-21 12:17:02,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:02,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:17:02,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:17:02,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:17:02,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (1/1) ... [2020-09-21 12:17:02,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (1/1) ... [2020-09-21 12:17:02,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (1/1) ... [2020-09-21 12:17:02,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (1/1) ... [2020-09-21 12:17:02,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (1/1) ... [2020-09-21 12:17:02,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (1/1) ... [2020-09-21 12:17:02,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (1/1) ... [2020-09-21 12:17:02,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:17:02,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:17:02,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:17:02,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:17:02,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (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 12:17:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:17:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:17:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:17:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:17:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:17:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:17:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:17:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:17:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:17:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:17:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:17:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:17:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:17:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:17:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:17:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:17:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:17:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:17:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:17:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:17:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:17:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:17:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:17:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:17:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:17:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:17:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:17:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:17:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:17:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:17:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:17:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:17:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:17:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:17:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:17:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:17:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:17:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:17:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:17:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:17:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:17:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:17:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:17:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:17:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:17:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:17:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:17:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:17:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:17:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:17:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:17:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:17:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:17:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:17:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:17:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:17:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:17:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:17:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:17:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:17:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:17:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:17:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:17:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:17:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:17:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:17:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:17:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:17:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:17:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:17:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:17:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:17:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:17:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:17:03,901 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:17:03,901 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:17:03,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:03 BoogieIcfgContainer [2020-09-21 12:17:03,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:17:03,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:17:03,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:17:03,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:17:03,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:17:01" (1/3) ... [2020-09-21 12:17:03,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118ea44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:03, skipping insertion in model container [2020-09-21 12:17:03,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:02" (2/3) ... [2020-09-21 12:17:03,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118ea44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:03, skipping insertion in model container [2020-09-21 12:17:03,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:03" (3/3) ... [2020-09-21 12:17:03,918 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2020-09-21 12:17:03,929 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:17:03,940 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:17:03,964 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:17:03,994 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:17:03,995 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:17:03,995 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:17:03,995 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:17:03,995 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:17:03,995 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:17:03,996 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:17:03,996 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:17:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2020-09-21 12:17:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:17:04,035 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:04,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:17:04,037 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:04,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:04,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1255762620, now seen corresponding path program 1 times [2020-09-21 12:17:04,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:04,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429364542] [2020-09-21 12:17:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:04,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:17:05,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:17:05,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:17:05,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:17:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:17:05,787 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:05,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:05,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:17:05,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:05,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:05,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:05,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:05,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:05,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:05,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:05,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:05,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:05,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:05,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:05,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:05,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:05,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:05,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:05,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:05,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:05,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:17:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:05,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:05,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:05,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:05,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:05,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:05,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:05,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:17:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:05,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:05,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:05,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:05,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:05,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:05,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:05,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:05,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:06,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429364542] [2020-09-21 12:17:06,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:06,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:17:06,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555729688] [2020-09-21 12:17:06,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:17:06,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:06,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:17:06,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:06,040 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 4 states. [2020-09-21 12:17:06,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:06,831 INFO L93 Difference]: Finished difference Result 205 states and 272 transitions. [2020-09-21 12:17:06,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:17:06,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 12:17:06,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:06,850 INFO L225 Difference]: With dead ends: 205 [2020-09-21 12:17:06,850 INFO L226 Difference]: Without dead ends: 115 [2020-09-21 12:17:06,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-21 12:17:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 91. [2020-09-21 12:17:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-09-21 12:17:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2020-09-21 12:17:06,943 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 59 [2020-09-21 12:17:06,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:06,944 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2020-09-21 12:17:06,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:17:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2020-09-21 12:17:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 12:17:06,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:06,950 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:17:06,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:17:06,952 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:06,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:06,953 INFO L82 PathProgramCache]: Analyzing trace with hash -588611726, now seen corresponding path program 1 times [2020-09-21 12:17:06,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:06,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370283037] [2020-09-21 12:17:06,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:07,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:07,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:07,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 12:17:08,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:17:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-21 12:17:08,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:08,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 12:17:08,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:08,549 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:08,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:08,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-21 12:17:08,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:17:08,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:08,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:08,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:08,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:17:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:08,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:08,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:08,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:17:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:08,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:08,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:17:08,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:08,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:08,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:08,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:08,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:17:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:08,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:08,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:08,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:17:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:08,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:17:08,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:17:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:08,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:08,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:08,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:08,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:08,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:17:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:08,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:08,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:08,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:08,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:17:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:08,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:08,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:08,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:08,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370283037] [2020-09-21 12:17:08,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:08,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:17:08,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934277191] [2020-09-21 12:17:08,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:17:08,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:08,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:17:08,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:17:08,879 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand 5 states. [2020-09-21 12:17:09,229 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:09,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:09,988 INFO L93 Difference]: Finished difference Result 178 states and 227 transitions. [2020-09-21 12:17:09,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:17:09,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 12:17:09,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:09,991 INFO L225 Difference]: With dead ends: 178 [2020-09-21 12:17:09,991 INFO L226 Difference]: Without dead ends: 115 [2020-09-21 12:17:09,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:17:09,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-21 12:17:10,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 91. [2020-09-21 12:17:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-09-21 12:17:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2020-09-21 12:17:10,034 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 64 [2020-09-21 12:17:10,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:10,034 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2020-09-21 12:17:10,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:17:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2020-09-21 12:17:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-21 12:17:10,037 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:10,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:17:10,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:17:10,037 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:10,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:10,038 INFO L82 PathProgramCache]: Analyzing trace with hash 145085063, now seen corresponding path program 1 times [2020-09-21 12:17:10,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:10,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753838598] [2020-09-21 12:17:10,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:10,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:10,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:10,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-21 12:17:11,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:17:11,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:17:11,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:17:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-09-21 12:17:11,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:17:11,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:11,411 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:11,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:11,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:17:11,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:11,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:11,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:11,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:11,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:11,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:17:11,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:11,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:11,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:11,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:11,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:11,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:17:11,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:11,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:11,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:11,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:11,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:17:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:11,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:11,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:11,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:11,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:11,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:11,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:11,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:17:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:11,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:11,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:17:11,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 12:17:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:11,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:11,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:11,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 12:17:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:11,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:11,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:11,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:17:11,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:17:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:17:11,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753838598] [2020-09-21 12:17:11,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:11,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:17:11,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029520511] [2020-09-21 12:17:11,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:17:11,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:11,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:17:11,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:17:11,608 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 8 states. [2020-09-21 12:17:12,058 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:17:12,810 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:13,485 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:17:13,845 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 12:17:13,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:13,944 INFO L93 Difference]: Finished difference Result 170 states and 217 transitions. [2020-09-21 12:17:13,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:17:13,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-09-21 12:17:13,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:13,946 INFO L225 Difference]: With dead ends: 170 [2020-09-21 12:17:13,946 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:17:13,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 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 12:17:13,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:17:13,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:17:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:17:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:17:13,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-09-21 12:17:13,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:13,954 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:17:13,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:17:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:17:13,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:17:13,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:17:13,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:17:14,135 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 8 [2020-09-21 12:17:14,307 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:14,479 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:14,650 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:14,754 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 8 [2020-09-21 12:17:15,037 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:15,202 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:15,380 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:15,545 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:15,724 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:15,887 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:16,034 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:16,162 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 8 [2020-09-21 12:17:16,339 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:16,513 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:16,679 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:16,843 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:17,010 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:17,176 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:17,336 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:17,497 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:17,659 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:17,819 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:17,980 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:18,141 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:18,300 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:18,412 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 8 [2020-09-21 12:17:18,572 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:18,730 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:18,893 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:19,062 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:19,226 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:19,387 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:19,563 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:19,721 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:19,880 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:20,038 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:20,197 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:20,356 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:20,515 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:20,762 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 12:17:20,986 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:17:21,229 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 12:17:21,446 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 12:17:21,684 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:17:21,951 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 12:17:22,195 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:22,426 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 12:17:22,669 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 12:17:22,893 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:17:23,188 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:17:23,440 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:17:23,619 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 12:17:23,833 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:17:24,055 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-09-21 12:17:24,266 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:17:24,280 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 535) no Hoare annotation was computed. [2020-09-21 12:17:24,281 INFO L268 CegarLoopResult]: For program point L536(lines 513 537) no Hoare annotation was computed. [2020-09-21 12:17:24,281 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 489 544) no Hoare annotation was computed. [2020-09-21 12:17:24,281 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-09-21 12:17:24,281 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2020-09-21 12:17:24,281 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 489 544) no Hoare annotation was computed. [2020-09-21 12:17:24,281 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 12:17:24,282 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 489 544) no Hoare annotation was computed. [2020-09-21 12:17:24,282 INFO L268 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-09-21 12:17:24,282 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 581) no Hoare annotation was computed. [2020-09-21 12:17:24,282 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 12:17:24,282 INFO L268 CegarLoopResult]: For program point L571-2(lines 571 596) no Hoare annotation was computed. [2020-09-21 12:17:24,282 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 545 604) no Hoare annotation was computed. [2020-09-21 12:17:24,283 INFO L268 CegarLoopResult]: For program point L597(lines 570 598) no Hoare annotation was computed. [2020-09-21 12:17:24,283 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 545 604) no Hoare annotation was computed. [2020-09-21 12:17:24,283 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-09-21 12:17:24,283 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 12:17:24,283 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 545 604) no Hoare annotation was computed. [2020-09-21 12:17:24,284 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 821 827) the Hoare annotation is: true [2020-09-21 12:17:24,284 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 821 827) no Hoare annotation was computed. [2020-09-21 12:17:24,284 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 828 836) no Hoare annotation was computed. [2020-09-21 12:17:24,284 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 828 836) the Hoare annotation is: true [2020-09-21 12:17:24,284 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 828 836) no Hoare annotation was computed. [2020-09-21 12:17:24,285 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 839 846) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,285 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 839 846) no Hoare annotation was computed. [2020-09-21 12:17:24,285 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 839 846) no Hoare annotation was computed. [2020-09-21 12:17:24,285 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 847 856) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,285 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 847 856) no Hoare annotation was computed. [2020-09-21 12:17:24,285 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 847 856) no Hoare annotation was computed. [2020-09-21 12:17:24,286 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-09-21 12:17:24,286 INFO L268 CegarLoopResult]: For program point L865(lines 865 882) no Hoare annotation was computed. [2020-09-21 12:17:24,286 INFO L268 CegarLoopResult]: For program point L865-1(lines 857 885) no Hoare annotation was computed. [2020-09-21 12:17:24,286 INFO L271 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: true [2020-09-21 12:17:24,286 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-09-21 12:17:24,286 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 857 885) the Hoare annotation is: true [2020-09-21 12:17:24,286 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 857 885) no Hoare annotation was computed. [2020-09-21 12:17:24,287 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-09-21 12:17:24,287 INFO L268 CegarLoopResult]: For program point L870(lines 870 876) no Hoare annotation was computed. [2020-09-21 12:17:24,287 INFO L268 CegarLoopResult]: For program point L869(lines 869 879) no Hoare annotation was computed. [2020-09-21 12:17:24,287 INFO L271 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: true [2020-09-21 12:17:24,287 INFO L268 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2020-09-21 12:17:24,287 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 413 435) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,287 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 413 435) no Hoare annotation was computed. [2020-09-21 12:17:24,288 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 413 435) no Hoare annotation was computed. [2020-09-21 12:17:24,288 INFO L264 CegarLoopResult]: At program point L425(line 425) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,288 INFO L264 CegarLoopResult]: At program point L425-1(line 425) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,288 INFO L268 CegarLoopResult]: For program point L423(lines 423 430) no Hoare annotation was computed. [2020-09-21 12:17:24,288 INFO L268 CegarLoopResult]: For program point L423-1(lines 423 430) no Hoare annotation was computed. [2020-09-21 12:17:24,288 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:17:24,289 INFO L264 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,289 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,289 INFO L264 CegarLoopResult]: At program point L419-1(line 419) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,289 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-09-21 12:17:24,289 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-09-21 12:17:24,290 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 367 390) no Hoare annotation was computed. [2020-09-21 12:17:24,290 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-09-21 12:17:24,290 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-09-21 12:17:24,290 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-21 12:17:24,290 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 367 390) no Hoare annotation was computed. [2020-09-21 12:17:24,290 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-09-21 12:17:24,290 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 367 390) no Hoare annotation was computed. [2020-09-21 12:17:24,290 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-09-21 12:17:24,291 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-21 12:17:24,291 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-21 12:17:24,291 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-21 12:17:24,291 INFO L268 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2020-09-21 12:17:24,291 INFO L268 CegarLoopResult]: For program point L374(line 374) no Hoare annotation was computed. [2020-09-21 12:17:24,291 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-21 12:17:24,291 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-21 12:17:24,291 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 170 177) no Hoare annotation was computed. [2020-09-21 12:17:24,292 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 170 177) no Hoare annotation was computed. [2020-09-21 12:17:24,292 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 170 177) no Hoare annotation was computed. [2020-09-21 12:17:24,292 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2020-09-21 12:17:24,292 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2020-09-21 12:17:24,292 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2020-09-21 12:17:24,292 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-09-21 12:17:24,292 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-09-21 12:17:24,292 INFO L268 CegarLoopResult]: For program point L243(lines 243 251) no Hoare annotation was computed. [2020-09-21 12:17:24,293 INFO L268 CegarLoopResult]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2020-09-21 12:17:24,293 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2020-09-21 12:17:24,293 INFO L268 CegarLoopResult]: For program point L231(lines 231 239) no Hoare annotation was computed. [2020-09-21 12:17:24,293 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2020-09-21 12:17:24,293 INFO L268 CegarLoopResult]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2020-09-21 12:17:24,293 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 814 820) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 814 820) the Hoare annotation is: true [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 443 488) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 443 488) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 443 488) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point L770-1(lines 770 790) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 756 801) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 756 801) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point L776(lines 776 783) no Hoare annotation was computed. [2020-09-21 12:17:24,294 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 756 801) no Hoare annotation was computed. [2020-09-21 12:17:24,295 INFO L268 CegarLoopResult]: For program point L770(lines 770 790) no Hoare annotation was computed. [2020-09-21 12:17:24,295 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 399 409) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,295 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 399 409) no Hoare annotation was computed. [2020-09-21 12:17:24,295 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 399 409) no Hoare annotation was computed. [2020-09-21 12:17:24,295 INFO L271 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: true [2020-09-21 12:17:24,295 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-09-21 12:17:24,295 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-09-21 12:17:24,295 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 204 214) no Hoare annotation was computed. [2020-09-21 12:17:24,295 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2020-09-21 12:17:24,295 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2020-09-21 12:17:24,296 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 196 203) no Hoare annotation was computed. [2020-09-21 12:17:24,296 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2020-09-21 12:17:24,296 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2020-09-21 12:17:24,296 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 163 169) no Hoare annotation was computed. [2020-09-21 12:17:24,296 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 163 169) the Hoare annotation is: true [2020-09-21 12:17:24,296 INFO L264 CegarLoopResult]: At program point testENTRY(lines 262 325) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,296 INFO L271 CegarLoopResult]: At program point L318(lines 271 319) the Hoare annotation is: true [2020-09-21 12:17:24,296 INFO L268 CegarLoopResult]: For program point testFINAL(lines 262 325) no Hoare annotation was computed. [2020-09-21 12:17:24,296 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-09-21 12:17:24,296 INFO L271 CegarLoopResult]: At program point L308-2(lines 302 313) the Hoare annotation is: true [2020-09-21 12:17:24,296 INFO L268 CegarLoopResult]: For program point L273(lines 272 317) no Hoare annotation was computed. [2020-09-21 12:17:24,297 INFO L268 CegarLoopResult]: For program point L302(lines 302 313) no Hoare annotation was computed. [2020-09-21 12:17:24,297 INFO L271 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: true [2020-09-21 12:17:24,297 INFO L268 CegarLoopResult]: For program point L292(lines 292 298) no Hoare annotation was computed. [2020-09-21 12:17:24,297 INFO L268 CegarLoopResult]: For program point L292-1(lines 292 298) no Hoare annotation was computed. [2020-09-21 12:17:24,297 INFO L271 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: true [2020-09-21 12:17:24,297 INFO L271 CegarLoopResult]: At program point L315(lines 272 317) the Hoare annotation is: true [2020-09-21 12:17:24,297 INFO L268 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point L282-1(lines 282 288) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point testEXIT(lines 262 325) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point L730(lines 730 737) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 710 755) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 710 755) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point L724(lines 724 744) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point L724-1(lines 724 744) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 710 755) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:17:24,298 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 607 709) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L636(lines 636 652) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L696(lines 696 703) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L657(lines 656 676) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L653(lines 653 694) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 607 709) no Hoare annotation was computed. [2020-09-21 12:17:24,299 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point L695(lines 695 706) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 607 709) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 676) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point L677(lines 655 678) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 804 813) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 804 813) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 804 813) no Hoare annotation was computed. [2020-09-21 12:17:24,300 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:24,301 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:17:24,301 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:24,301 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 12:17:24,301 INFO L268 CegarLoopResult]: For program point L190-1(lines 179 195) no Hoare annotation was computed. [2020-09-21 12:17:24,301 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 179 195) no Hoare annotation was computed. [2020-09-21 12:17:24,301 INFO L268 CegarLoopResult]: For program point L186(lines 186 192) no Hoare annotation was computed. [2020-09-21 12:17:24,301 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 179 195) no Hoare annotation was computed. [2020-09-21 12:17:24,301 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:17:24,301 INFO L268 CegarLoopResult]: For program point L184-1(line 184) no Hoare annotation was computed. [2020-09-21 12:17:24,302 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-09-21 12:17:24,302 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:17:24,302 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:17:24,302 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:17:24,302 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:17:24,302 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:17:24,302 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:24,303 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:17:24,303 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:24,303 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:17:24,303 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:17:24,303 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:17:24,303 INFO L271 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: true [2020-09-21 12:17:24,303 INFO L271 CegarLoopResult]: At program point L150(lines 150 156) the Hoare annotation is: true [2020-09-21 12:17:24,303 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-09-21 12:17:24,304 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 162) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,304 INFO L268 CegarLoopResult]: For program point L143(lines 139 161) no Hoare annotation was computed. [2020-09-21 12:17:24,304 INFO L268 CegarLoopResult]: For program point L141(lines 139 161) no Hoare annotation was computed. [2020-09-21 12:17:24,304 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 162) no Hoare annotation was computed. [2020-09-21 12:17:24,304 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 162) no Hoare annotation was computed. [2020-09-21 12:17:24,304 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 337 366) no Hoare annotation was computed. [2020-09-21 12:17:24,304 INFO L268 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-09-21 12:17:24,305 INFO L271 CegarLoopResult]: At program point L351-1(lines 351 355) the Hoare annotation is: true [2020-09-21 12:17:24,305 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 337 366) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,305 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-21 12:17:24,305 INFO L271 CegarLoopResult]: At program point L347-2(lines 347 361) the Hoare annotation is: true [2020-09-21 12:17:24,305 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,305 INFO L268 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-09-21 12:17:24,305 INFO L271 CegarLoopResult]: At program point L362(lines 337 366) the Hoare annotation is: true [2020-09-21 12:17:24,305 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-21 12:17:24,306 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 12:17:24,306 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:17:24,306 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:17:24,306 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 391 397) no Hoare annotation was computed. [2020-09-21 12:17:24,306 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 391 397) the Hoare annotation is: true [2020-09-21 12:17:24,306 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:24,306 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 12:17:24,307 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:17:24,307 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:24,307 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:17:24,307 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:17:24,307 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:17:24,307 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 327 334) no Hoare annotation was computed. [2020-09-21 12:17:24,308 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2020-09-21 12:17:24,308 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 327 334) the Hoare annotation is: true [2020-09-21 12:17:24,308 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 327 334) no Hoare annotation was computed. [2020-09-21 12:17:24,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:17:24 BoogieIcfgContainer [2020-09-21 12:17:24,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:17:24,324 INFO L168 Benchmark]: Toolchain (without parser) took 22394.98 ms. Allocated memory was 139.5 MB in the beginning and 496.5 MB in the end (delta: 357.0 MB). Free memory was 101.5 MB in the beginning and 165.6 MB in the end (delta: -64.1 MB). Peak memory consumption was 318.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:24,325 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:17:24,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.80 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 172.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:24,327 INFO L168 Benchmark]: Boogie Preprocessor took 92.81 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:24,328 INFO L168 Benchmark]: RCFGBuilder took 1131.26 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 201.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:24,329 INFO L168 Benchmark]: TraceAbstraction took 20413.46 ms. Allocated memory was 237.5 MB in the beginning and 496.5 MB in the end (delta: 259.0 MB). Free memory was 201.3 MB in the beginning and 165.6 MB in the end (delta: 35.6 MB). Peak memory consumption was 320.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:24,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.80 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 172.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.81 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1131.26 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 201.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20413.46 ms. Allocated memory was 237.5 MB in the beginning and 496.5 MB in the end (delta: 259.0 MB). Free memory was 201.3 MB in the beginning and 165.6 MB in the end (delta: 35.6 MB). Peak memory consumption was 320.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 331]: 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: 272]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 313 SDslu, 188 SDs, 0 SdLazy, 518 SolverSat, 179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 48 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 156 PreInvPairs, 186 NumberOfFragments, 555 HoareAnnotationTreeSize, 156 FomulaSimplifications, 3345 FormulaSimplificationTreeSizeReduction, 6.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5127 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 54851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...