/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:35,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:35,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:35,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:35,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:35,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:35,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:35,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:35,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:35,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:35,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:35,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:35,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:35,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:35,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:35,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:35,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:35,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:35,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:35,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:35,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:35,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:35,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:35,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:35,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:35,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:35,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:35,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:35,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:35,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:35,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:35,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:35,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:35,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:35,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:35,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:35,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:35,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:35,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:35,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:35,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:35,556 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 11:03:35,583 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:35,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:35,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:35,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:35,585 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:35,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:35,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:35,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:35,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:35,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:35,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:35,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:35,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:35,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:35,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:35,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:35,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:35,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:35,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:35,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:35,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:35,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:35,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:35,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:35,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:35,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:35,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:35,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:35,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:35,590 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:03:36,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:36,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:36,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:36,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:36,065 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:36,066 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-21 11:03:36,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/181c9b40d/1abf0cc537aa4194bccfd2edcb2c6e63/FLAG314134d45 [2020-09-21 11:03:36,714 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:36,715 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-21 11:03:36,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/181c9b40d/1abf0cc537aa4194bccfd2edcb2c6e63/FLAG314134d45 [2020-09-21 11:03:37,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/181c9b40d/1abf0cc537aa4194bccfd2edcb2c6e63 [2020-09-21 11:03:37,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:37,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:37,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:37,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:37,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:37,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638c4c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37, skipping insertion in model container [2020-09-21 11:03:37,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:37,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:37,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:37,580 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:37,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:37,700 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:37,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37 WrapperNode [2020-09-21 11:03:37,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:37,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:37,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:37,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:37,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (1/1) ... [2020-09-21 11:03:37,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:37,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:37,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:37,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:37,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (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 11:03:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:03:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:03:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:03:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:03:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:03:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:03:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:03:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:03:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:38,950 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:38,950 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:38,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:38 BoogieIcfgContainer [2020-09-21 11:03:38,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:38,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:38,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:38,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:38,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:37" (1/3) ... [2020-09-21 11:03:38,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54750407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:38, skipping insertion in model container [2020-09-21 11:03:38,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:37" (2/3) ... [2020-09-21 11:03:38,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54750407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:38, skipping insertion in model container [2020-09-21 11:03:38,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:38" (3/3) ... [2020-09-21 11:03:38,966 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-09-21 11:03:38,977 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:38,987 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:39,007 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:39,033 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:39,034 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:39,034 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:39,034 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:39,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:39,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:39,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:39,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-09-21 11:03:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:39,067 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:39,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:39,069 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:39,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:39,075 INFO L82 PathProgramCache]: Analyzing trace with hash 841763169, now seen corresponding path program 1 times [2020-09-21 11:03:39,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:39,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706353160] [2020-09-21 11:03:39,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:39,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:39,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:39,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:39,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:39,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:39,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:39,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:03:39,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:39,845 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:39,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:39,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:39,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:39,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:39,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:39,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:39,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:39,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:39,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:39,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:39,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:39,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:39,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:39,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:39,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:39,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:39,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:39,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:39,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:39,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:39,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:39,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:39,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:39,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:39,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:39,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:39,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:39,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:39,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:39,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:39,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:39,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:39,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:39,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:39,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:39,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:39,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:39,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:39,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:39,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:39,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:39,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:39,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:39,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:39,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:39,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:39,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:39,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:39,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:39,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:39,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:39,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:39,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:39,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:39,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:39,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:39,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:39,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:39,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:39,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:39,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:39,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:39,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:39,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:39,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:39,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:39,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:39,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:39,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706353160] [2020-09-21 11:03:39,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:39,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:39,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584993821] [2020-09-21 11:03:39,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:39,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:40,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:40,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:40,016 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-09-21 11:03:41,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:41,080 INFO L93 Difference]: Finished difference Result 260 states and 346 transitions. [2020-09-21 11:03:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:41,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:41,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:41,100 INFO L225 Difference]: With dead ends: 260 [2020-09-21 11:03:41,101 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 11:03:41,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:41,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 11:03:41,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2020-09-21 11:03:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-21 11:03:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2020-09-21 11:03:41,214 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2020-09-21 11:03:41,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:41,215 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2020-09-21 11:03:41,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:41,215 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2020-09-21 11:03:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:41,222 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:41,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:41,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:41,223 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:41,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:41,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1716807413, now seen corresponding path program 1 times [2020-09-21 11:03:41,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:41,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396045131] [2020-09-21 11:03:41,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:41,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:41,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:41,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:41,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:41,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:41,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:03:41,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:41,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:41,601 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:41,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:41,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:41,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:41,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:41,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:41,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:41,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:41,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:41,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:41,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:41,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:41,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:41,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:41,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:41,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:41,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:41,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:41,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:41,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:41,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:41,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:41,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:41,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:41,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:41,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:41,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:41,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:41,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:41,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:41,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:41,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:41,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:41,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:41,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:41,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:41,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:41,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:41,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:41,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:41,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:41,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:41,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:41,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:41,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:41,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:41,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:41,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:41,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:41,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:41,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:41,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:41,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:41,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:41,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:41,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:41,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:41,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:41,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:41,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:41,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:41,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:41,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:41,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:41,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:41,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:41,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:41,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:41,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:41,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:41,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:41,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:41,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:41,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396045131] [2020-09-21 11:03:41,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:41,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:41,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031735397] [2020-09-21 11:03:41,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:41,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:41,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:41,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:41,710 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2020-09-21 11:03:42,157 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:42,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:42,812 INFO L93 Difference]: Finished difference Result 183 states and 225 transitions. [2020-09-21 11:03:42,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:42,813 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:42,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:42,816 INFO L225 Difference]: With dead ends: 183 [2020-09-21 11:03:42,816 INFO L226 Difference]: Without dead ends: 126 [2020-09-21 11:03:42,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:42,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-21 11:03:42,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 100. [2020-09-21 11:03:42,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 11:03:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-09-21 11:03:42,849 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2020-09-21 11:03:42,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:42,850 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-09-21 11:03:42,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-09-21 11:03:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:03:42,852 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:42,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:42,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:42,853 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:42,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:42,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1646650364, now seen corresponding path program 1 times [2020-09-21 11:03:42,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:42,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067605413] [2020-09-21 11:03:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:43,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:03:43,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-21 11:03:43,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:03:43,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,554 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:43,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:43,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 11:03:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:43,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:43,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:43,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:43,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:43,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:43,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:43,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:03:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:43,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:43,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:43,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067605413] [2020-09-21 11:03:43,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:43,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:43,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729673054] [2020-09-21 11:03:43,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:43,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:43,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:43,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:43,719 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 4 states. [2020-09-21 11:03:44,091 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:45,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:45,342 INFO L93 Difference]: Finished difference Result 288 states and 358 transitions. [2020-09-21 11:03:45,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:45,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:03:45,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:45,347 INFO L225 Difference]: With dead ends: 288 [2020-09-21 11:03:45,347 INFO L226 Difference]: Without dead ends: 212 [2020-09-21 11:03:45,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:45,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-21 11:03:45,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 166. [2020-09-21 11:03:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-09-21 11:03:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 199 transitions. [2020-09-21 11:03:45,402 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 199 transitions. Word has length 52 [2020-09-21 11:03:45,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:45,403 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 199 transitions. [2020-09-21 11:03:45,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 199 transitions. [2020-09-21 11:03:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:03:45,405 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:45,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:45,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:45,406 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:45,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:45,406 INFO L82 PathProgramCache]: Analyzing trace with hash 385460171, now seen corresponding path program 1 times [2020-09-21 11:03:45,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:45,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699717611] [2020-09-21 11:03:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:45,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:45,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:45,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:45,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:45,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:03:45,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-09-21 11:03:45,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:03:45,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,061 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:46,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:03:46,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:46,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:46,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:46,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:46,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:46,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:46,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:46,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:46,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:03:46,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:03:46,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:03:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:46,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:46,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699717611] [2020-09-21 11:03:46,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:46,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:46,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192082387] [2020-09-21 11:03:46,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:46,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:46,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:46,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:46,318 INFO L87 Difference]: Start difference. First operand 166 states and 199 transitions. Second operand 8 states. [2020-09-21 11:03:46,810 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:47,927 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:48,349 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:48,644 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:48,968 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:49,391 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:50,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:50,167 INFO L93 Difference]: Finished difference Result 539 states and 712 transitions. [2020-09-21 11:03:50,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:03:50,168 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:03:50,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:50,174 INFO L225 Difference]: With dead ends: 539 [2020-09-21 11:03:50,174 INFO L226 Difference]: Without dead ends: 397 [2020-09-21 11:03:50,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:03:50,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-09-21 11:03:50,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 293. [2020-09-21 11:03:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-21 11:03:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2020-09-21 11:03:50,261 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 57 [2020-09-21 11:03:50,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:50,261 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2020-09-21 11:03:50,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2020-09-21 11:03:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:03:50,264 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:50,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:50,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:50,264 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1496116017, now seen corresponding path program 1 times [2020-09-21 11:03:50,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:50,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452180368] [2020-09-21 11:03:50,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:50,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:50,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:50,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:50,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:50,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:03:50,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:50,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-09-21 11:03:50,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:03:50,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:50,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:03:50,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,114 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:51,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 11:03:51,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:51,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:51,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:51,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:51,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:51,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:03:51,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:51,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:03:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:51,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:03:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:51,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:51,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452180368] [2020-09-21 11:03:51,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:51,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:03:51,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221407260] [2020-09-21 11:03:51,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:03:51,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:51,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:03:51,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:03:51,399 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand 9 states. [2020-09-21 11:03:51,922 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:52,950 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:53,288 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:53,584 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:54,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:54,025 INFO L93 Difference]: Finished difference Result 582 states and 773 transitions. [2020-09-21 11:03:54,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:03:54,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 11:03:54,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:54,027 INFO L225 Difference]: With dead ends: 582 [2020-09-21 11:03:54,027 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:03:54,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:03:54,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:03:54,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:03:54,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:03:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:03:54,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:03:54,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:54,032 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:03:54,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:03:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:03:54,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:03:54,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:03:54,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:03:54,518 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:03:54,711 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:54,872 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:55,026 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:55,174 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:55,330 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:55,664 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:03:55,994 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:03:56,325 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:03:56,565 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-09-21 11:03:56,882 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:03:57,141 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:57,399 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:57,657 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:57,915 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:58,174 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:58,319 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:58,467 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:58,621 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:58,769 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:58,921 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:59,194 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:59,361 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:59,687 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:03:59,837 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:59,987 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:00,284 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:00,573 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:04:00,867 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:01,164 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:01,460 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:01,777 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:02,068 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:04:02,206 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:02,354 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:02,501 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:02,648 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:02,792 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:02,941 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:03,094 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,247 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,399 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,551 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,704 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,857 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,009 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:04,156 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:04,309 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,461 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,604 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:04,755 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,903 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:05,051 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:05,199 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:05,351 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,499 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:05,651 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,804 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,962 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,111 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:06,254 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:06,402 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:06,551 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:06,703 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,850 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:07,002 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,156 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,309 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,461 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,612 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,936 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:04:08,343 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:08,751 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:09,064 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:09,208 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:09,527 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:09,800 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:10,064 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:10,336 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:10,601 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:10,865 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:11,025 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:11,177 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:11,327 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:11,476 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:11,629 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:11,795 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,113 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:04:12,268 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:12,440 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,585 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:12,732 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:12,883 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:13,035 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,192 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:13,335 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:13,654 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:04:13,807 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,959 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,111 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,275 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:14,424 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:14,576 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,724 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:14,872 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:15,019 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:15,167 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:15,319 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:15,471 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:15,623 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:15,776 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:15,920 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:16,073 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:16,220 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:16,600 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:16,817 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:17,216 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:17,419 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:17,692 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:17,926 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 11:04:18,308 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-09-21 11:04:18,549 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:18,948 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:19,160 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 11:04:19,582 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:04:19,966 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:04:20,183 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:20,393 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:20,687 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-09-21 11:04:20,845 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:21,024 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:21,253 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:21,484 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:21,866 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:22,088 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:22,310 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:22,527 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:22,918 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:22,923 INFO L268 CegarLoopResult]: For program point L383(lines 383 387) no Hoare annotation was computed. [2020-09-21 11:04:22,923 INFO L268 CegarLoopResult]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2020-09-21 11:04:22,923 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-21 11:04:22,923 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 398) no Hoare annotation was computed. [2020-09-21 11:04:22,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 352 407) no Hoare annotation was computed. [2020-09-21 11:04:22,924 INFO L268 CegarLoopResult]: For program point L399(lines 376 400) no Hoare annotation was computed. [2020-09-21 11:04:22,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 352 407) no Hoare annotation was computed. [2020-09-21 11:04:22,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 352 407) no Hoare annotation was computed. [2020-09-21 11:04:22,924 INFO L268 CegarLoopResult]: For program point L440(lines 440 444) no Hoare annotation was computed. [2020-09-21 11:04:22,924 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 444) no Hoare annotation was computed. [2020-09-21 11:04:22,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 408 467) no Hoare annotation was computed. [2020-09-21 11:04:22,925 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-09-21 11:04:22,925 INFO L268 CegarLoopResult]: For program point L434-2(lines 434 459) no Hoare annotation was computed. [2020-09-21 11:04:22,925 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 408 467) no Hoare annotation was computed. [2020-09-21 11:04:22,925 INFO L268 CegarLoopResult]: For program point L460(lines 433 461) no Hoare annotation was computed. [2020-09-21 11:04:22,925 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 408 467) no Hoare annotation was computed. [2020-09-21 11:04:22,925 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-09-21 11:04:22,925 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-09-21 11:04:22,926 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 175 181) the Hoare annotation is: true [2020-09-21 11:04:22,926 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 175 181) no Hoare annotation was computed. [2020-09-21 11:04:22,926 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 182 190) no Hoare annotation was computed. [2020-09-21 11:04:22,926 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 182 190) the Hoare annotation is: true [2020-09-21 11:04:22,926 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 182 190) no Hoare annotation was computed. [2020-09-21 11:04:22,926 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 267 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,927 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 267 289) no Hoare annotation was computed. [2020-09-21 11:04:22,927 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,927 INFO L264 CegarLoopResult]: At program point L279-1(line 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,927 INFO L268 CegarLoopResult]: For program point L277(lines 277 284) no Hoare annotation was computed. [2020-09-21 11:04:22,927 INFO L268 CegarLoopResult]: For program point L277-1(lines 277 284) no Hoare annotation was computed. [2020-09-21 11:04:22,927 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 11:04:22,927 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,928 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,928 INFO L264 CegarLoopResult]: At program point L273-1(line 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,928 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 267 289) no Hoare annotation was computed. [2020-09-21 11:04:22,928 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-09-21 11:04:22,928 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-09-21 11:04:22,928 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-09-21 11:04:22,929 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-09-21 11:04:22,929 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-21 11:04:22,929 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-21 11:04:22,929 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-09-21 11:04:22,929 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-09-21 11:04:22,929 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-09-21 11:04:22,929 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-09-21 11:04:22,929 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-21 11:04:22,930 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-21 11:04:22,930 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-21 11:04:22,930 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-09-21 11:04:22,930 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-21 11:04:22,930 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 11:04:22,930 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-21 11:04:22,930 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 697 703) no Hoare annotation was computed. [2020-09-21 11:04:22,930 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 697 703) the Hoare annotation is: true [2020-09-21 11:04:22,931 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 819 833) no Hoare annotation was computed. [2020-09-21 11:04:22,931 INFO L264 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:22,931 INFO L268 CegarLoopResult]: For program point L823(lines 823 829) no Hoare annotation was computed. [2020-09-21 11:04:22,931 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 819 833) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:04:22,931 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 819 833) no Hoare annotation was computed. [2020-09-21 11:04:22,931 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 730 737) no Hoare annotation was computed. [2020-09-21 11:04:22,931 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 730 737) no Hoare annotation was computed. [2020-09-21 11:04:22,931 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 730 737) no Hoare annotation was computed. [2020-09-21 11:04:22,932 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-09-21 11:04:22,932 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-09-21 11:04:22,932 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-09-21 11:04:22,932 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-09-21 11:04:22,932 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-09-21 11:04:22,932 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-09-21 11:04:22,932 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-09-21 11:04:22,932 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-09-21 11:04:22,933 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-09-21 11:04:22,933 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-09-21 11:04:22,933 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-09-21 11:04:22,933 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-09-21 11:04:22,933 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 168 174) no Hoare annotation was computed. [2020-09-21 11:04:22,933 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 168 174) the Hoare annotation is: true [2020-09-21 11:04:22,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 306 351) no Hoare annotation was computed. [2020-09-21 11:04:22,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 306 351) no Hoare annotation was computed. [2020-09-21 11:04:22,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 306 351) no Hoare annotation was computed. [2020-09-21 11:04:22,934 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-09-21 11:04:22,934 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 619 664) no Hoare annotation was computed. [2020-09-21 11:04:22,934 INFO L268 CegarLoopResult]: For program point L633(lines 633 653) no Hoare annotation was computed. [2020-09-21 11:04:22,934 INFO L268 CegarLoopResult]: For program point L633-1(lines 633 653) no Hoare annotation was computed. [2020-09-21 11:04:22,934 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 619 664) no Hoare annotation was computed. [2020-09-21 11:04:22,934 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 619 664) no Hoare annotation was computed. [2020-09-21 11:04:22,934 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 266) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,935 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 266) no Hoare annotation was computed. [2020-09-21 11:04:22,935 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 266) no Hoare annotation was computed. [2020-09-21 11:04:22,935 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-09-21 11:04:22,935 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2020-09-21 11:04:22,935 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-09-21 11:04:22,935 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-09-21 11:04:22,935 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-09-21 11:04:22,935 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2020-09-21 11:04:22,936 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-09-21 11:04:22,936 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-09-21 11:04:22,936 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2020-09-21 11:04:22,936 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:22,936 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:22,936 INFO L268 CegarLoopResult]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2020-09-21 11:04:22,936 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:22,937 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:22,937 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-09-21 11:04:22,937 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:22,937 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-09-21 11:04:22,937 INFO L268 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-09-21 11:04:22,937 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:22,937 INFO L264 CegarLoopResult]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,938 INFO L268 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-09-21 11:04:22,938 INFO L268 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-09-21 11:04:22,938 INFO L268 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-09-21 11:04:22,938 INFO L268 CegarLoopResult]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2020-09-21 11:04:22,938 INFO L264 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:22,938 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:22,938 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-09-21 11:04:22,938 INFO L264 CegarLoopResult]: At program point L891-1(lines 883 898) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:22,939 INFO L268 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2020-09-21 11:04:22,939 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:22,939 INFO L268 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2020-09-21 11:04:22,939 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:22,939 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-09-21 11:04:22,939 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2020-09-21 11:04:22,939 INFO L264 CegarLoopResult]: At program point L900(lines 853 902) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 573 618) no Hoare annotation was computed. [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 573 618) no Hoare annotation was computed. [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point L593(lines 593 600) no Hoare annotation was computed. [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 573 618) no Hoare annotation was computed. [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point L587(lines 587 607) no Hoare annotation was computed. [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 607) no Hoare annotation was computed. [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:04:22,940 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 158 167) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 158 167) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 158 167) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 470 572) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:04:22,941 INFO L268 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point L494(lines 494 498) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point L558(lines 558 569) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 470 572) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point L519-2(lines 519 539) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point L540(lines 518 541) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point L499(lines 499 515) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 470 572) no Hoare annotation was computed. [2020-09-21 11:04:22,942 INFO L268 CegarLoopResult]: For program point L559(lines 559 566) no Hoare annotation was computed. [2020-09-21 11:04:22,943 INFO L268 CegarLoopResult]: For program point L520(lines 519 539) no Hoare annotation was computed. [2020-09-21 11:04:22,943 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 11:04:22,943 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-09-21 11:04:22,943 INFO L268 CegarLoopResult]: For program point L516(lines 516 557) no Hoare annotation was computed. [2020-09-21 11:04:22,943 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:22,943 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~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~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point L749-1(lines 738 754) no Hoare annotation was computed. [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 738 754) no Hoare annotation was computed. [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 738 754) no Hoare annotation was computed. [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-09-21 11:04:22,944 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:04:22,945 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:04:22,945 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:04:22,945 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:04:22,945 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 11:04:22,945 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 11:04:22,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:22,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:04:22,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:22,945 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-09-21 11:04:22,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:04:22,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:04:22,946 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 673 696) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:22,946 INFO L264 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:22,946 INFO L264 CegarLoopResult]: At program point L684(lines 684 690) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:22,946 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 673 696) no Hoare annotation was computed. [2020-09-21 11:04:22,946 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:22,946 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 673 696) no Hoare annotation was computed. [2020-09-21 11:04:22,947 INFO L268 CegarLoopResult]: For program point L677(lines 676 695) no Hoare annotation was computed. [2020-09-21 11:04:22,947 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-09-21 11:04:22,947 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-09-21 11:04:22,947 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-09-21 11:04:22,947 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-09-21 11:04:22,947 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-09-21 11:04:22,947 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-09-21 11:04:22,947 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-09-21 11:04:22,947 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-09-21 11:04:22,948 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-09-21 11:04:22,948 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-09-21 11:04:22,948 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 11:04:22,948 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 11:04:22,948 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 11:04:22,948 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-09-21 11:04:22,948 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-09-21 11:04:22,948 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:22,949 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:04:22,949 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:04:22,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:22,949 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 834 841) no Hoare annotation was computed. [2020-09-21 11:04:22,949 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 834 841) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:04:22,949 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 834 841) no Hoare annotation was computed. [2020-09-21 11:04:22,949 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 11:04:22,949 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 11:04:22,949 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:04:22,950 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2020-09-21 11:04:22,950 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-21 11:04:22,950 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2020-09-21 11:04:22,950 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2020-09-21 11:04:22,950 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-09-21 11:04:22,950 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-09-21 11:04:22,950 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:04:22,951 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-09-21 11:04:22,951 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:04:22,951 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-09-21 11:04:22,951 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-09-21 11:04:22,951 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-09-21 11:04:22,951 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-09-21 11:04:22,951 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-21 11:04:22,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:04:22 BoogieIcfgContainer [2020-09-21 11:04:22,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:04:22,973 INFO L168 Benchmark]: Toolchain (without parser) took 45928.26 ms. Allocated memory was 137.9 MB in the beginning and 615.0 MB in the end (delta: 477.1 MB). Free memory was 100.1 MB in the beginning and 161.2 MB in the end (delta: -61.1 MB). Peak memory consumption was 502.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:22,974 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:04:22,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.60 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 99.4 MB in the beginning and 168.0 MB in the end (delta: -68.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:22,975 INFO L168 Benchmark]: Boogie Preprocessor took 96.47 ms. Allocated memory is still 200.3 MB. Free memory was 168.0 MB in the beginning and 163.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:22,976 INFO L168 Benchmark]: RCFGBuilder took 1158.09 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 163.9 MB in the beginning and 195.9 MB in the end (delta: -32.0 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:22,976 INFO L168 Benchmark]: TraceAbstraction took 44013.42 ms. Allocated memory was 230.7 MB in the beginning and 615.0 MB in the end (delta: 384.3 MB). Free memory was 195.9 MB in the beginning and 161.2 MB in the end (delta: 34.7 MB). Peak memory consumption was 505.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:22,979 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.60 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 99.4 MB in the beginning and 168.0 MB in the end (delta: -68.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.47 ms. Allocated memory is still 200.3 MB. Free memory was 168.0 MB in the beginning and 163.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.09 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 163.9 MB in the beginning and 195.9 MB in the end (delta: -32.0 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44013.42 ms. Allocated memory was 230.7 MB in the beginning and 615.0 MB in the end (delta: 384.3 MB). Free memory was 195.9 MB in the beginning and 161.2 MB in the end (delta: 34.7 MB). Peak memory consumption was 505.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 482 SDtfs, 633 SDslu, 336 SDs, 0 SdLazy, 1516 SolverSat, 439 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 209 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 423 PreInvPairs, 502 NumberOfFragments, 676 HoareAnnotationTreeSize, 423 FomulaSimplifications, 92495 FormulaSimplificationTreeSizeReduction, 22.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 13112 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...