/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:17:03,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:17:04,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:17:04,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:17:04,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:17:04,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:17:04,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:17:04,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:17:04,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:17:04,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:17:04,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:17:04,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:17:04,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:17:04,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:17:04,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:17:04,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:17:04,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:17:04,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:17:04,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:17:04,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:17:04,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:17:04,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:17:04,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:17:04,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:17:04,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:17:04,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:17:04,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:17:04,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:17:04,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:17:04,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:17:04,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:17:04,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:17:04,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:17:04,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:17:04,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:17:04,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:17:04,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:17:04,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:17:04,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:17:04,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:17:04,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:17:04,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:17:04,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:17:04,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:17:04,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:17:04,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:17:04,165 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:17:04,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:17:04,166 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:17:04,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:17:04,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:17:04,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:17:04,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:17:04,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:17:04,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:17:04,167 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:17:04,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:17:04,168 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:17:04,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:17:04,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:17:04,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:17:04,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:17:04,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:17:04,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:17:04,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:17:04,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:17:04,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:17:04,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:17:04,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:17:04,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:17:04,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:17:04,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:17:04,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:17:04,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:17:04,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:17:04,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:17:04,672 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:17:04,673 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2020-09-21 12:17:04,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/956a6155b/4614f7d9da284c9ebe80184f5d9bef8f/FLAG8dff8fb4d [2020-09-21 12:17:05,430 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:17:05,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2020-09-21 12:17:05,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/956a6155b/4614f7d9da284c9ebe80184f5d9bef8f/FLAG8dff8fb4d [2020-09-21 12:17:05,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/956a6155b/4614f7d9da284c9ebe80184f5d9bef8f [2020-09-21 12:17:05,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:17:05,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:17:05,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:05,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:17:05,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:17:05,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:05" (1/1) ... [2020-09-21 12:17:05,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:05, skipping insertion in model container [2020-09-21 12:17:05,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:05" (1/1) ... [2020-09-21 12:17:05,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:17:05,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:17:06,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:06,264 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:17:06,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:06,405 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:17:06,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06 WrapperNode [2020-09-21 12:17:06,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:06,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:17:06,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:17:06,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:17:06,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (1/1) ... [2020-09-21 12:17:06,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (1/1) ... [2020-09-21 12:17:06,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (1/1) ... [2020-09-21 12:17:06,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (1/1) ... [2020-09-21 12:17:06,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (1/1) ... [2020-09-21 12:17:06,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (1/1) ... [2020-09-21 12:17:06,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (1/1) ... [2020-09-21 12:17:06,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:17:06,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:17:06,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:17:06,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:17:06,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:17:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:17:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:17:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:17:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:17:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:17:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:17:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:17:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:17:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:17:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:17:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:17:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:17:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:17:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:17:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:17:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:17:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:17:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:17:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:17:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:17:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:17:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:17:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:17:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:17:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:17:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:17:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:17:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:17:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:17:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:17:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:17:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:17:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:17:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:17:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:17:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:17:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:17:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:17:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:17:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:17:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:17:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:17:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:17:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:17:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:17:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:17:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:17:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:17:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:17:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:17:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:17:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:17:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:17:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:17:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:17:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:17:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:17:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:17:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:17:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:17:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:17:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:17:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:17:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:17:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:17:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:17:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:17:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:17:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:17:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:17:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:17:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:17:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:17:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:17:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:17:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:17:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:17:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:17:07,790 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:17:07,790 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:17:07,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:07 BoogieIcfgContainer [2020-09-21 12:17:07,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:17:07,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:17:07,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:17:07,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:17:07,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:17:05" (1/3) ... [2020-09-21 12:17:07,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b1932e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:07, skipping insertion in model container [2020-09-21 12:17:07,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:06" (2/3) ... [2020-09-21 12:17:07,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b1932e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:07, skipping insertion in model container [2020-09-21 12:17:07,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:07" (3/3) ... [2020-09-21 12:17:07,809 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2020-09-21 12:17:07,820 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:17:07,831 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:17:07,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:17:07,886 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:17:07,887 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:17:07,887 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:17:07,887 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:17:07,887 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:17:07,887 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:17:07,887 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:17:07,887 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:17:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-09-21 12:17:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:17:07,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:07,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:07,928 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:07,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:07,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2005015922, now seen corresponding path program 1 times [2020-09-21 12:17:07,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:07,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440531695] [2020-09-21 12:17:07,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:08,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:08,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:17:09,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:17:09,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:17:09,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:17:09,727 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:09,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:09,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 12:17:09,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:09,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:09,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:09,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:09,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:09,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:09,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:09,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:09,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:09,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:09,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:09,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:09,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:09,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:09,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:09,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:09,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:09,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:17:09,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:17:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:09,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:17:09,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:09,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:09,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:09,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:09,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:17:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:09,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:09,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:09,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:09,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:09,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:09,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:17:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:09,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440531695] [2020-09-21 12:17:09,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:09,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:17:09,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922624021] [2020-09-21 12:17:09,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:17:09,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:09,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:17:10,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:10,002 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-09-21 12:17:10,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:10,965 INFO L93 Difference]: Finished difference Result 259 states and 334 transitions. [2020-09-21 12:17:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:17:10,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 12:17:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:10,985 INFO L225 Difference]: With dead ends: 259 [2020-09-21 12:17:10,986 INFO L226 Difference]: Without dead ends: 144 [2020-09-21 12:17:10,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-09-21 12:17:11,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 116. [2020-09-21 12:17:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-21 12:17:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-09-21 12:17:11,106 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2020-09-21 12:17:11,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:11,106 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-09-21 12:17:11,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:17:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-09-21 12:17:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:17:11,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:11,118 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:11,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:17:11,119 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:11,139 INFO L82 PathProgramCache]: Analyzing trace with hash 462950838, now seen corresponding path program 1 times [2020-09-21 12:17:11,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:11,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107659467] [2020-09-21 12:17:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:11,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:11,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 12:17:12,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-21 12:17:12,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:17:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:17:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:12,603 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:12,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:12,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:17:12,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:12,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:12,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:12,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:12,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:12,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:12,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:12,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:12,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:12,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:12,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:17:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:12,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:12,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:12,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:12,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:17:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:12,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:12,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:17:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:12,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:12,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:12,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:12,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:12,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:12,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:12,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:12,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:12,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:12,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107659467] [2020-09-21 12:17:12,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:12,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:17:12,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186397194] [2020-09-21 12:17:12,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:17:12,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:12,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:17:12,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:17:12,787 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 5 states. [2020-09-21 12:17:13,254 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:17:13,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:13,912 INFO L93 Difference]: Finished difference Result 200 states and 242 transitions. [2020-09-21 12:17:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:17:13,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 12:17:13,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:13,916 INFO L225 Difference]: With dead ends: 200 [2020-09-21 12:17:13,916 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 12:17:13,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:17:13,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 12:17:13,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 107. [2020-09-21 12:17:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-09-21 12:17:13,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2020-09-21 12:17:13,976 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 60 [2020-09-21 12:17:13,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:13,977 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2020-09-21 12:17:13,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:17:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2020-09-21 12:17:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:17:13,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:13,982 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:13,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:17:13,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:13,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:13,983 INFO L82 PathProgramCache]: Analyzing trace with hash -152361795, now seen corresponding path program 1 times [2020-09-21 12:17:13,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:13,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493688884] [2020-09-21 12:17:13,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:14,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:17:15,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:15,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-09-21 12:17:15,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:17:15,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-21 12:17:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:17:15,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:15,462 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:15,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:15,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 12:17:15,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:15,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:15,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:15,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:15,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:17:15,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:15,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:15,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:15,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:15,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:15,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:15,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:15,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:15,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:15,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:15,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:15,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:17:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:15,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:15,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:15,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:15,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:15,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:15,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:15,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:15,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:17:15,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:15,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:17:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:15,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:15,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:15,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:15,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:15,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:17:15,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:17:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:15,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:15,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:17:15,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493688884] [2020-09-21 12:17:15,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:15,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:17:15,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293130661] [2020-09-21 12:17:15,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:17:15,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:15,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:17:15,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:17:15,686 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 8 states. [2020-09-21 12:17:16,103 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:16,877 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:17,491 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:17,787 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:17:17,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:17,853 INFO L93 Difference]: Finished difference Result 187 states and 234 transitions. [2020-09-21 12:17:17,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:17:17,854 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 12:17:17,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:17,855 INFO L225 Difference]: With dead ends: 187 [2020-09-21 12:17:17,855 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:17:17,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:17:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:17:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:17:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:17:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:17:17,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 12:17:17,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:17,865 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:17:17,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:17:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:17:17,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:17:17,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:17:17,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:17:18,079 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:18,294 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:18,464 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:18,639 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:18,802 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:18,961 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:19,119 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:19,278 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:19,441 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:19,595 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:19,757 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:19,909 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:20,060 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:20,213 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:20,382 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:20,533 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:20,683 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:20,832 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:20,981 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:21,130 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:21,278 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:21,384 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:17:21,547 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:21,697 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:21,852 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:22,007 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:22,451 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:22,605 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:22,764 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:22,916 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:23,067 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:23,218 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:23,370 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:23,518 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:23,773 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:23,926 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:24,103 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:24,292 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:24,532 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:24,744 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:24,968 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:25,249 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:25,439 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-09-21 12:17:25,677 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:25,902 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:26,107 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:26,320 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:26,562 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:26,751 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:26,982 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:27,221 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:27,433 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:27,660 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:27,663 INFO L268 CegarLoopResult]: For program point L280(lines 280 284) no Hoare annotation was computed. [2020-09-21 12:17:27,663 INFO L268 CegarLoopResult]: For program point L280-1(lines 280 284) no Hoare annotation was computed. [2020-09-21 12:17:27,663 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 12:17:27,663 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 249 304) no Hoare annotation was computed. [2020-09-21 12:17:27,663 INFO L268 CegarLoopResult]: For program point L274-2(lines 274 295) no Hoare annotation was computed. [2020-09-21 12:17:27,663 INFO L268 CegarLoopResult]: For program point L296(lines 273 297) no Hoare annotation was computed. [2020-09-21 12:17:27,663 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 249 304) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 249 304) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 305 364) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point L337-1(lines 337 341) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 305 364) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 305 364) no Hoare annotation was computed. [2020-09-21 12:17:27,664 INFO L268 CegarLoopResult]: For program point L331-2(lines 331 356) no Hoare annotation was computed. [2020-09-21 12:17:27,665 INFO L268 CegarLoopResult]: For program point L357(lines 330 358) no Hoare annotation was computed. [2020-09-21 12:17:27,665 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 895 901) the Hoare annotation is: true [2020-09-21 12:17:27,665 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 895 901) no Hoare annotation was computed. [2020-09-21 12:17:27,665 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 902 910) no Hoare annotation was computed. [2020-09-21 12:17:27,665 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 902 910) the Hoare annotation is: true [2020-09-21 12:17:27,665 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 902 910) no Hoare annotation was computed. [2020-09-21 12:17:27,666 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:27,666 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-09-21 12:17:27,666 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-09-21 12:17:27,666 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:27,666 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-09-21 12:17:27,666 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-21 12:17:27,666 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-09-21 12:17:27,666 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-09-21 12:17:27,667 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:17:27,667 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-09-21 12:17:27,667 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-09-21 12:17:27,667 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-09-21 12:17:27,667 INFO L271 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: true [2020-09-21 12:17:27,667 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-09-21 12:17:27,667 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-09-21 12:17:27,668 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-09-21 12:17:27,668 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-09-21 12:17:27,668 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-09-21 12:17:27,668 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:27,668 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:27,668 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2020-09-21 12:17:27,669 INFO L264 CegarLoopResult]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:27,669 INFO L268 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2020-09-21 12:17:27,669 INFO L268 CegarLoopResult]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2020-09-21 12:17:27,669 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 12:17:27,669 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:27,669 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:27,670 INFO L264 CegarLoopResult]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:27,670 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2020-09-21 12:17:27,670 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2020-09-21 12:17:27,670 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2020-09-21 12:17:27,670 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2020-09-21 12:17:27,670 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 12:17:27,670 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:17:27,671 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 12:17:27,672 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 599 605) no Hoare annotation was computed. [2020-09-21 12:17:27,672 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 599 605) the Hoare annotation is: true [2020-09-21 12:17:27,672 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2020-09-21 12:17:27,672 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2020-09-21 12:17:27,672 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 632 639) no Hoare annotation was computed. [2020-09-21 12:17:27,672 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 676 684) no Hoare annotation was computed. [2020-09-21 12:17:27,672 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 676 684) the Hoare annotation is: true [2020-09-21 12:17:27,672 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 676 684) no Hoare annotation was computed. [2020-09-21 12:17:27,672 INFO L268 CegarLoopResult]: For program point L704(lines 704 712) no Hoare annotation was computed. [2020-09-21 12:17:27,672 INFO L268 CegarLoopResult]: For program point L704-2(lines 704 712) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point L692(lines 692 700) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point L692-2(lines 692 700) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 685 720) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 685 720) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 685 720) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 888 894) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 888 894) the Hoare annotation is: true [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 203 248) no Hoare annotation was computed. [2020-09-21 12:17:27,673 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 203 248) no Hoare annotation was computed. [2020-09-21 12:17:27,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 203 248) no Hoare annotation was computed. [2020-09-21 12:17:27,674 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 516 561) no Hoare annotation was computed. [2020-09-21 12:17:27,674 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-09-21 12:17:27,674 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-09-21 12:17:27,674 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-09-21 12:17:27,674 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 516 561) no Hoare annotation was computed. [2020-09-21 12:17:27,674 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 516 561) no Hoare annotation was computed. [2020-09-21 12:17:27,674 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:27,675 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2020-09-21 12:17:27,675 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2020-09-21 12:17:27,675 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:27,675 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 665 675) the Hoare annotation is: true [2020-09-21 12:17:27,675 INFO L271 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: true [2020-09-21 12:17:27,675 INFO L268 CegarLoopResult]: For program point L670-1(line 670) no Hoare annotation was computed. [2020-09-21 12:17:27,675 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 665 675) no Hoare annotation was computed. [2020-09-21 12:17:27,676 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 665 675) no Hoare annotation was computed. [2020-09-21 12:17:27,676 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 657 664) the Hoare annotation is: true [2020-09-21 12:17:27,676 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 657 664) no Hoare annotation was computed. [2020-09-21 12:17:27,676 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 657 664) no Hoare annotation was computed. [2020-09-21 12:17:27,676 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 607 631) no Hoare annotation was computed. [2020-09-21 12:17:27,676 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 607 631) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:27,676 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:27,676 INFO L268 CegarLoopResult]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2020-09-21 12:17:27,677 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:27,677 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:27,677 INFO L268 CegarLoopResult]: For program point L615(lines 615 623) no Hoare annotation was computed. [2020-09-21 12:17:27,677 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:27,677 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-09-21 12:17:27,677 INFO L268 CegarLoopResult]: For program point L611(lines 611 628) no Hoare annotation was computed. [2020-09-21 12:17:27,677 INFO L264 CegarLoopResult]: At program point L865(lines 820 867) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:27,678 INFO L264 CegarLoopResult]: At program point L832(line 832) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:27,678 INFO L264 CegarLoopResult]: At program point testENTRY(lines 810 875) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:27,678 INFO L268 CegarLoopResult]: For program point L830(lines 830 836) no Hoare annotation was computed. [2020-09-21 12:17:27,678 INFO L268 CegarLoopResult]: For program point L830-1(lines 830 836) no Hoare annotation was computed. [2020-09-21 12:17:27,678 INFO L268 CegarLoopResult]: For program point testFINAL(lines 810 875) no Hoare annotation was computed. [2020-09-21 12:17:27,678 INFO L268 CegarLoopResult]: For program point L822(lines 822 826) no Hoare annotation was computed. [2020-09-21 12:17:27,678 INFO L264 CegarLoopResult]: At program point L868(lines 819 869) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:27,678 INFO L268 CegarLoopResult]: For program point L858(lines 858 862) no Hoare annotation was computed. [2020-09-21 12:17:27,679 INFO L264 CegarLoopResult]: At program point L858-2(lines 850 863) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:27,679 INFO L268 CegarLoopResult]: For program point L821(lines 820 867) no Hoare annotation was computed. [2020-09-21 12:17:27,679 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:27,679 INFO L268 CegarLoopResult]: For program point L850(lines 850 863) no Hoare annotation was computed. [2020-09-21 12:17:27,679 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:27,679 INFO L268 CegarLoopResult]: For program point L840(lines 840 846) no Hoare annotation was computed. [2020-09-21 12:17:27,679 INFO L268 CegarLoopResult]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point testEXIT(lines 810 875) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 470 515) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 470 515) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 470 515) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point L490(lines 490 497) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point L484(lines 484 504) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point L484-1(lines 484 504) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2020-09-21 12:17:27,680 INFO L268 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 777 799) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 777 799) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 777 799) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point L417(lines 416 436) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 367 469) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point L413(lines 413 454) no Hoare annotation was computed. [2020-09-21 12:17:27,681 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point L455(lines 455 466) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 367 469) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point L416-2(lines 416 436) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point L437(lines 415 438) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 367 469) no Hoare annotation was computed. [2020-09-21 12:17:27,682 INFO L268 CegarLoopResult]: For program point L396(lines 396 412) no Hoare annotation was computed. [2020-09-21 12:17:27,683 INFO L268 CegarLoopResult]: For program point L456(lines 456 463) no Hoare annotation was computed. [2020-09-21 12:17:27,683 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 878 887) no Hoare annotation was computed. [2020-09-21 12:17:27,683 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 878 887) no Hoare annotation was computed. [2020-09-21 12:17:27,683 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 878 887) no Hoare annotation was computed. [2020-09-21 12:17:27,683 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:27,683 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~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#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)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.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~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.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~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:17:27,683 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:27,683 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 640 656) no Hoare annotation was computed. [2020-09-21 12:17:27,684 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-09-21 12:17:27,684 INFO L268 CegarLoopResult]: For program point L651-1(lines 640 656) no Hoare annotation was computed. [2020-09-21 12:17:27,684 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 640 656) no Hoare annotation was computed. [2020-09-21 12:17:27,684 INFO L268 CegarLoopResult]: For program point L647(lines 647 653) no Hoare annotation was computed. [2020-09-21 12:17:27,684 INFO L268 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-09-21 12:17:27,684 INFO L268 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-09-21 12:17:27,684 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 800 808) the Hoare annotation is: true [2020-09-21 12:17:27,684 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 800 808) no Hoare annotation was computed. [2020-09-21 12:17:27,684 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 800 808) no Hoare annotation was computed. [2020-09-21 12:17:27,685 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 756 767) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:17:27,685 INFO L268 CegarLoopResult]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2020-09-21 12:17:27,685 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 756 767) no Hoare annotation was computed. [2020-09-21 12:17:27,685 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:27,685 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:17:27,685 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:27,685 INFO L268 CegarLoopResult]: For program point L577(lines 575 597) no Hoare annotation was computed. [2020-09-21 12:17:27,685 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 572 598) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:27,685 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:27,685 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 572 598) no Hoare annotation was computed. [2020-09-21 12:17:27,685 INFO L264 CegarLoopResult]: At program point L586(lines 586 592) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:27,686 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 572 598) no Hoare annotation was computed. [2020-09-21 12:17:27,686 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:27,686 INFO L268 CegarLoopResult]: For program point L579(lines 575 597) no Hoare annotation was computed. [2020-09-21 12:17:27,686 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2020-09-21 12:17:27,686 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2020-09-21 12:17:27,686 INFO L271 CegarLoopResult]: At program point L119(lines 94 123) the Hoare annotation is: true [2020-09-21 12:17:27,686 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:17:27,686 INFO L268 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-09-21 12:17:27,686 INFO L271 CegarLoopResult]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2020-09-21 12:17:27,686 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-21 12:17:27,687 INFO L271 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2020-09-21 12:17:27,687 INFO L271 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: true [2020-09-21 12:17:27,687 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-09-21 12:17:27,687 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 768 776) the Hoare annotation is: true [2020-09-21 12:17:27,687 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 768 776) no Hoare annotation was computed. [2020-09-21 12:17:27,687 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 768 776) no Hoare annotation was computed. [2020-09-21 12:17:27,687 INFO L268 CegarLoopResult]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2020-09-21 12:17:27,687 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 732 743) the Hoare annotation is: true [2020-09-21 12:17:27,688 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 732 743) no Hoare annotation was computed. [2020-09-21 12:17:27,688 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2020-09-21 12:17:27,688 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2020-09-21 12:17:27,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:27,688 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-09-21 12:17:27,688 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:17:27,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:27,689 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 721 728) no Hoare annotation was computed. [2020-09-21 12:17:27,689 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 721 728) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:27,689 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 721 728) no Hoare annotation was computed. [2020-09-21 12:17:27,689 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 744 755) no Hoare annotation was computed. [2020-09-21 12:17:27,689 INFO L268 CegarLoopResult]: For program point L748-1(lines 744 755) no Hoare annotation was computed. [2020-09-21 12:17:27,689 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 744 755) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:27,689 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 912 919) no Hoare annotation was computed. [2020-09-21 12:17:27,690 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2020-09-21 12:17:27,690 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2020-09-21 12:17:27,690 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2020-09-21 12:17:27,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:17:27 BoogieIcfgContainer [2020-09-21 12:17:27,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:17:27,711 INFO L168 Benchmark]: Toolchain (without parser) took 22051.48 ms. Allocated memory was 137.9 MB in the beginning and 515.9 MB in the end (delta: 378.0 MB). Free memory was 99.5 MB in the beginning and 334.5 MB in the end (delta: -235.0 MB). Peak memory consumption was 334.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:27,711 INFO L168 Benchmark]: CDTParser took 0.23 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:17:27,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.01 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 98.9 MB in the beginning and 170.4 MB in the end (delta: -71.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:27,713 INFO L168 Benchmark]: Boogie Preprocessor took 97.18 ms. Allocated memory is still 201.3 MB. Free memory was 170.4 MB in the beginning and 166.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:27,714 INFO L168 Benchmark]: RCFGBuilder took 1295.48 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 166.2 MB in the beginning and 198.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:27,719 INFO L168 Benchmark]: TraceAbstraction took 19907.32 ms. Allocated memory was 231.7 MB in the beginning and 515.9 MB in the end (delta: 284.2 MB). Free memory was 198.3 MB in the beginning and 334.5 MB in the end (delta: -136.2 MB). Peak memory consumption was 339.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:27,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.01 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 98.9 MB in the beginning and 170.4 MB in the end (delta: -71.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.18 ms. Allocated memory is still 201.3 MB. Free memory was 170.4 MB in the beginning and 166.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1295.48 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 166.2 MB in the beginning and 198.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19907.32 ms. Allocated memory was 231.7 MB in the beginning and 515.9 MB in the end (delta: 284.2 MB). Free memory was 198.3 MB in the beginning and 334.5 MB in the end (delta: -136.2 MB). Peak memory consumption was 339.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: 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: 819]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 297 SDtfs, 308 SDslu, 207 SDs, 0 SdLazy, 609 SolverSat, 180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 160 PreInvPairs, 180 NumberOfFragments, 559 HoareAnnotationTreeSize, 160 FomulaSimplifications, 3546 FormulaSimplificationTreeSizeReduction, 6.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4821 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 47359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...