/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 01:00:13,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 01:00:13,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 01:00:14,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 01:00:14,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 01:00:14,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 01:00:14,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 01:00:14,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 01:00:14,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 01:00:14,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 01:00:14,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 01:00:14,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 01:00:14,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 01:00:14,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 01:00:14,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 01:00:14,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 01:00:14,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 01:00:14,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 01:00:14,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 01:00:14,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 01:00:14,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 01:00:14,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 01:00:14,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 01:00:14,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 01:00:14,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 01:00:14,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 01:00:14,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 01:00:14,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 01:00:14,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 01:00:14,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 01:00:14,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 01:00:14,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 01:00:14,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 01:00:14,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 01:00:14,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 01:00:14,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 01:00:14,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 01:00:14,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 01:00:14,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 01:00:14,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 01:00:14,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 01:00:14,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 01:00:14,109 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 01:00:14,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 01:00:14,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 01:00:14,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 01:00:14,114 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 01:00:14,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 01:00:14,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 01:00:14,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 01:00:14,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 01:00:14,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 01:00:14,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 01:00:14,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 01:00:14,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 01:00:14,117 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 01:00:14,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 01:00:14,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 01:00:14,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 01:00:14,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 01:00:14,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 01:00:14,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 01:00:14,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 01:00:14,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 01:00:14,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 01:00:14,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 01:00:14,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 01:00:14,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 01:00:14,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 01:00:14,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 01:00:14,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 01:00:14,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6; [2020-08-19 01:00:14,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 01:00:14,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 01:00:14,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 01:00:14,471 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 01:00:14,471 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 01:00:14,472 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-08-19 01:00:14,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ad0aa3a9/727589cc036b41068784391a831b39bd/FLAG17ebc6b18 [2020-08-19 01:00:15,114 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 01:00:15,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-08-19 01:00:15,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ad0aa3a9/727589cc036b41068784391a831b39bd/FLAG17ebc6b18 [2020-08-19 01:00:15,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ad0aa3a9/727589cc036b41068784391a831b39bd [2020-08-19 01:00:15,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 01:00:15,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 01:00:15,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 01:00:15,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 01:00:15,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 01:00:15,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:00:15" (1/1) ... [2020-08-19 01:00:15,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cc7f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:15, skipping insertion in model container [2020-08-19 01:00:15,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:00:15" (1/1) ... [2020-08-19 01:00:15,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 01:00:15,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 01:00:15,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:00:16,014 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 01:00:16,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:00:16,129 INFO L208 MainTranslator]: Completed translation [2020-08-19 01:00:16,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16 WrapperNode [2020-08-19 01:00:16,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 01:00:16,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 01:00:16,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 01:00:16,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 01:00:16,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (1/1) ... [2020-08-19 01:00:16,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (1/1) ... [2020-08-19 01:00:16,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (1/1) ... [2020-08-19 01:00:16,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (1/1) ... [2020-08-19 01:00:16,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (1/1) ... [2020-08-19 01:00:16,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (1/1) ... [2020-08-19 01:00:16,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (1/1) ... [2020-08-19 01:00:16,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 01:00:16,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 01:00:16,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 01:00:16,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 01:00:16,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 01:00:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 01:00:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 01:00:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 01:00:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 01:00:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 01:00:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 01:00:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 01:00:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 01:00:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 01:00:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 01:00:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 01:00:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 01:00:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 01:00:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 01:00:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 01:00:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 01:00:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-19 01:00:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-19 01:00:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 01:00:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 01:00:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 01:00:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 01:00:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 01:00:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 01:00:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-19 01:00:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-19 01:00:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 01:00:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 01:00:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 01:00:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 01:00:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 01:00:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 01:00:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 01:00:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-19 01:00:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-19 01:00:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 01:00:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 01:00:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 01:00:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 01:00:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 01:00:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 01:00:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 01:00:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 01:00:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 01:00:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 01:00:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 01:00:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 01:00:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 01:00:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 01:00:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 01:00:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 01:00:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 01:00:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 01:00:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 01:00:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 01:00:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 01:00:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 01:00:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 01:00:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 01:00:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 01:00:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 01:00:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 01:00:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 01:00:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 01:00:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 01:00:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 01:00:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 01:00:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 01:00:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 01:00:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 01:00:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 01:00:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 01:00:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 01:00:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 01:00:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-19 01:00:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 01:00:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 01:00:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 01:00:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-19 01:00:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 01:00:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 01:00:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 01:00:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-19 01:00:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 01:00:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-19 01:00:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-19 01:00:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-19 01:00:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 01:00:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 01:00:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 01:00:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 01:00:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 01:00:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 01:00:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 01:00:17,446 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 01:00:17,447 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 01:00:17,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:00:17 BoogieIcfgContainer [2020-08-19 01:00:17,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 01:00:17,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 01:00:17,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 01:00:17,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 01:00:17,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 01:00:15" (1/3) ... [2020-08-19 01:00:17,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588fc4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:00:17, skipping insertion in model container [2020-08-19 01:00:17,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:00:16" (2/3) ... [2020-08-19 01:00:17,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588fc4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:00:17, skipping insertion in model container [2020-08-19 01:00:17,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:00:17" (3/3) ... [2020-08-19 01:00:17,470 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-08-19 01:00:17,481 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 01:00:17,491 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 01:00:17,506 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 01:00:17,530 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 01:00:17,530 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 01:00:17,530 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 01:00:17,530 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 01:00:17,531 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 01:00:17,531 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 01:00:17,531 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 01:00:17,531 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 01:00:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-08-19 01:00:17,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-19 01:00:17,563 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:00:17,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:00:17,565 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:00:17,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:00:17,571 INFO L82 PathProgramCache]: Analyzing trace with hash -62573292, now seen corresponding path program 1 times [2020-08-19 01:00:17,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:00:17,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68027947] [2020-08-19 01:00:17,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:00:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:18,248 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:00:18,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:00:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:18,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:00:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:00:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:18,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:00:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:18,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:00:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:18,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 01:00:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:18,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 01:00:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:00:18,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68027947] [2020-08-19 01:00:18,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:00:18,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 01:00:18,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859829769] [2020-08-19 01:00:18,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 01:00:18,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:00:18,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 01:00:18,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 01:00:18,374 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states. [2020-08-19 01:00:19,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:00:19,631 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2020-08-19 01:00:19,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 01:00:19,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-19 01:00:19,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:00:19,649 INFO L225 Difference]: With dead ends: 308 [2020-08-19 01:00:19,649 INFO L226 Difference]: Without dead ends: 167 [2020-08-19 01:00:19,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 01:00:19,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-08-19 01:00:19,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-08-19 01:00:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-08-19 01:00:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-08-19 01:00:19,751 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2020-08-19 01:00:19,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:00:19,752 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-08-19 01:00:19,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 01:00:19,752 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-08-19 01:00:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-19 01:00:19,759 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:00:19,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:00:19,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 01:00:19,760 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:00:19,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:00:19,760 INFO L82 PathProgramCache]: Analyzing trace with hash 374870047, now seen corresponding path program 1 times [2020-08-19 01:00:19,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:00:19,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266728309] [2020-08-19 01:00:19,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:00:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:20,147 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:00:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:00:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:20,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:00:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:20,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:00:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:20,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:00:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:20,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:00:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:20,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 01:00:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 01:00:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:00:20,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266728309] [2020-08-19 01:00:20,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:00:20,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 01:00:20,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170937220] [2020-08-19 01:00:20,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 01:00:20,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:00:20,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 01:00:20,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 01:00:20,207 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2020-08-19 01:00:20,658 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 01:00:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:00:21,565 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2020-08-19 01:00:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 01:00:21,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-19 01:00:21,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:00:21,568 INFO L225 Difference]: With dead ends: 231 [2020-08-19 01:00:21,569 INFO L226 Difference]: Without dead ends: 151 [2020-08-19 01:00:21,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 01:00:21,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-19 01:00:21,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2020-08-19 01:00:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-08-19 01:00:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-08-19 01:00:21,620 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-08-19 01:00:21,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:00:21,620 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-08-19 01:00:21,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 01:00:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-08-19 01:00:21,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 01:00:21,631 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:00:21,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:00:21,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 01:00:21,632 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:00:21,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:00:21,633 INFO L82 PathProgramCache]: Analyzing trace with hash 727440706, now seen corresponding path program 1 times [2020-08-19 01:00:21,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:00:21,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019082320] [2020-08-19 01:00:21,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:00:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:21,947 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:00:21,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:00:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:00:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:21,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:00:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:00:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:00:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:22,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 01:00:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:22,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 01:00:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:00:22,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019082320] [2020-08-19 01:00:22,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:00:22,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 01:00:22,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345436395] [2020-08-19 01:00:22,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:00:22,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:00:22,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:00:22,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:00:22,046 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2020-08-19 01:00:22,456 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:00:22,792 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:00:23,033 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:00:23,291 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:00:24,004 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 01:00:25,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:00:25,849 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2020-08-19 01:00:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 01:00:25,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 01:00:25,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:00:25,856 INFO L225 Difference]: With dead ends: 424 [2020-08-19 01:00:25,856 INFO L226 Difference]: Without dead ends: 325 [2020-08-19 01:00:25,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-19 01:00:25,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-08-19 01:00:25,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2020-08-19 01:00:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-08-19 01:00:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2020-08-19 01:00:25,931 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2020-08-19 01:00:25,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:00:25,932 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2020-08-19 01:00:25,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:00:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2020-08-19 01:00:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-19 01:00:25,934 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:00:25,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:00:25,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 01:00:25,934 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:00:25,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:00:25,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1814289492, now seen corresponding path program 1 times [2020-08-19 01:00:25,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:00:25,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247013520] [2020-08-19 01:00:25,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:00:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,258 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:00:26,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:00:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:00:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:00:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:00:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:00:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 01:00:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-19 01:00:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-19 01:00:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:00:26,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247013520] [2020-08-19 01:00:26,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:00:26,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-19 01:00:26,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640214130] [2020-08-19 01:00:26,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 01:00:26,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:00:26,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 01:00:26,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-19 01:00:26,372 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2020-08-19 01:00:26,819 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:00:27,154 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:00:27,421 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:00:27,648 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:00:28,175 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 01:00:28,968 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:00:29,335 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 01:00:29,620 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 01:00:29,938 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 01:00:30,198 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:00:30,573 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 01:00:30,891 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 01:00:31,270 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:00:32,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:00:32,864 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2020-08-19 01:00:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 01:00:32,865 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-19 01:00:32,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:00:32,877 INFO L225 Difference]: With dead ends: 1047 [2020-08-19 01:00:32,877 INFO L226 Difference]: Without dead ends: 811 [2020-08-19 01:00:32,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-19 01:00:32,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-08-19 01:00:33,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2020-08-19 01:00:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-08-19 01:00:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2020-08-19 01:00:33,082 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2020-08-19 01:00:33,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:00:33,083 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2020-08-19 01:00:33,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 01:00:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2020-08-19 01:00:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-19 01:00:33,086 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:00:33,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:00:33,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 01:00:33,087 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:00:33,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:00:33,087 INFO L82 PathProgramCache]: Analyzing trace with hash 176933658, now seen corresponding path program 1 times [2020-08-19 01:00:33,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:00:33,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38785669] [2020-08-19 01:00:33,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:00:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,372 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:00:33,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:00:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:00:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:00:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:00:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:00:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 01:00:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-19 01:00:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 01:00:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-19 01:00:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:00:33,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38785669] [2020-08-19 01:00:33,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:00:33,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 01:00:33,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135508304] [2020-08-19 01:00:33,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 01:00:33,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:00:33,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 01:00:33,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 01:00:33,469 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2020-08-19 01:00:33,813 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:00:34,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:00:34,698 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2020-08-19 01:00:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 01:00:34,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-19 01:00:34,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:00:34,710 INFO L225 Difference]: With dead ends: 1181 [2020-08-19 01:00:34,710 INFO L226 Difference]: Without dead ends: 499 [2020-08-19 01:00:34,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:00:34,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-08-19 01:00:34,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2020-08-19 01:00:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-08-19 01:00:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2020-08-19 01:00:34,806 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2020-08-19 01:00:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:00:34,806 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2020-08-19 01:00:34,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 01:00:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2020-08-19 01:00:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-19 01:00:34,808 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:00:34,809 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-19 01:00:34,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 01:00:34,809 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:00:34,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:00:34,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1524461315, now seen corresponding path program 1 times [2020-08-19 01:00:34,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:00:34,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648244730] [2020-08-19 01:00:34,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:00:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,100 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:00:35,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:00:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:00:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:00:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:00:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:00:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-19 01:00:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:00:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 01:00:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 01:00:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 01:00:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-19 01:00:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-19 01:00:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-19 01:00:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:00:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-19 01:00:35,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648244730] [2020-08-19 01:00:35,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:00:35,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 01:00:35,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192887319] [2020-08-19 01:00:35,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 01:00:35,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:00:35,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 01:00:35,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:00:35,248 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 10 states. [2020-08-19 01:00:35,902 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-19 01:00:36,517 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:00:37,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:00:37,488 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2020-08-19 01:00:37,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 01:00:37,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-08-19 01:00:37,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:00:37,490 INFO L225 Difference]: With dead ends: 605 [2020-08-19 01:00:37,490 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 01:00:37,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-19 01:00:37,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 01:00:37,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 01:00:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 01:00:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 01:00:37,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-19 01:00:37,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:00:37,495 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 01:00:37,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 01:00:37,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 01:00:37,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 01:00:37,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 01:00:37,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 01:00:37,698 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 36 [2020-08-19 01:00:38,236 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 30 [2020-08-19 01:00:41,681 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-19 01:00:42,047 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 01:00:42,248 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-19 01:00:42,960 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-19 01:00:43,543 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-19 01:00:44,162 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-19 01:00:44,619 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-19 01:00:44,826 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:00:45,262 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-19 01:00:45,863 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 21 [2020-08-19 01:00:45,989 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 01:00:46,382 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-19 01:00:47,078 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-19 01:00:47,874 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-19 01:00:48,005 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 01:00:48,534 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 01:00:49,135 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-19 01:00:49,526 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 01:00:49,985 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 01:00:50,539 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-19 01:00:50,931 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 01:00:51,063 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 01:00:51,657 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-19 01:00:52,086 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 01:00:52,091 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-19 01:00:52,092 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2020-08-19 01:00:52,092 INFO L268 CegarLoopResult]: For program point L243(lines 220 244) no Hoare annotation was computed. [2020-08-19 01:00:52,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2020-08-19 01:00:52,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2020-08-19 01:00:52,093 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-08-19 01:00:52,093 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2020-08-19 01:00:52,093 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-08-19 01:00:52,093 INFO L268 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-08-19 01:00:52,093 INFO L268 CegarLoopResult]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2020-08-19 01:00:52,093 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-19 01:00:52,093 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2020-08-19 01:00:52,093 INFO L268 CegarLoopResult]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2020-08-19 01:00:52,094 INFO L268 CegarLoopResult]: For program point L304(lines 277 305) no Hoare annotation was computed. [2020-08-19 01:00:52,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2020-08-19 01:00:52,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2020-08-19 01:00:52,094 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-08-19 01:00:52,094 INFO L268 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-08-19 01:00:52,094 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2020-08-19 01:00:52,094 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2020-08-19 01:00:52,095 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2020-08-19 01:00:52,095 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2020-08-19 01:00:52,095 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2020-08-19 01:00:52,095 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 01:00:52,095 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2020-08-19 01:00:52,096 INFO L268 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-08-19 01:00:52,096 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 01:00:52,096 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-08-19 01:00:52,096 INFO L268 CegarLoopResult]: For program point L889(lines 889 902) no Hoare annotation was computed. [2020-08-19 01:00:52,096 INFO L268 CegarLoopResult]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2020-08-19 01:00:52,096 INFO L271 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: true [2020-08-19 01:00:52,097 INFO L268 CegarLoopResult]: For program point L887-1(line 887) no Hoare annotation was computed. [2020-08-19 01:00:52,097 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2020-08-19 01:00:52,097 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-19 01:00:52,097 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-19 01:00:52,097 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,098 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,098 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,098 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,098 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-19 01:00:52,099 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-19 01:00:52,099 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,099 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,099 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-19 01:00:52,099 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-19 01:00:52,099 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-19 01:00:52,099 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-19 01:00:52,100 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-19 01:00:52,101 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-19 01:00:52,101 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-19 01:00:52,101 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-19 01:00:52,101 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-19 01:00:52,101 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2020-08-19 01:00:52,101 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 01:00:52,101 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2020-08-19 01:00:52,102 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 01:00:52,102 INFO L268 CegarLoopResult]: For program point L770(lines 770 776) no Hoare annotation was computed. [2020-08-19 01:00:52,102 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2020-08-19 01:00:52,102 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2020-08-19 01:00:52,102 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2020-08-19 01:00:52,102 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-08-19 01:00:52,102 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2020-08-19 01:00:52,102 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2020-08-19 01:00:52,102 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L271 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: true [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 711 746) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point L718(lines 718 726) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-08-19 01:00:52,103 INFO L268 CegarLoopResult]: For program point L741-1(line 741) no Hoare annotation was computed. [2020-08-19 01:00:52,104 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2020-08-19 01:00:52,104 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2020-08-19 01:00:52,104 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2020-08-19 01:00:52,104 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2020-08-19 01:00:52,104 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2020-08-19 01:00:52,104 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2020-08-19 01:00:52,104 INFO L268 CegarLoopResult]: For program point L477(lines 477 497) no Hoare annotation was computed. [2020-08-19 01:00:52,105 INFO L268 CegarLoopResult]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2020-08-19 01:00:52,105 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2020-08-19 01:00:52,105 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2020-08-19 01:00:52,105 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2020-08-19 01:00:52,105 INFO L268 CegarLoopResult]: For program point L483(lines 483 490) no Hoare annotation was computed. [2020-08-19 01:00:52,105 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,105 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-19 01:00:52,106 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-19 01:00:52,106 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2020-08-19 01:00:52,106 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2020-08-19 01:00:52,106 INFO L271 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: true [2020-08-19 01:00:52,106 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-08-19 01:00:52,106 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2020-08-19 01:00:52,106 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2020-08-19 01:00:52,106 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2020-08-19 01:00:52,107 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2020-08-19 01:00:52,107 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 01:00:52,107 INFO L268 CegarLoopResult]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2020-08-19 01:00:52,107 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 01:00:52,107 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2020-08-19 01:00:52,107 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 01:00:52,108 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 01:00:52,108 INFO L268 CegarLoopResult]: For program point L658(lines 658 666) no Hoare annotation was computed. [2020-08-19 01:00:52,108 INFO L264 CegarLoopResult]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 01:00:52,108 INFO L268 CegarLoopResult]: For program point L656-1(line 656) no Hoare annotation was computed. [2020-08-19 01:00:52,108 INFO L268 CegarLoopResult]: For program point L654(lines 654 671) no Hoare annotation was computed. [2020-08-19 01:00:52,108 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2020-08-19 01:00:52,108 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2020-08-19 01:00:52,109 INFO L264 CegarLoopResult]: At program point testENTRY(lines 512 579) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,109 INFO L264 CegarLoopResult]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 01:00:52,109 INFO L268 CegarLoopResult]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2020-08-19 01:00:52,109 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-19 01:00:52,109 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-08-19 01:00:52,109 INFO L264 CegarLoopResult]: At program point L560-1(lines 552 567) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 01:00:52,110 INFO L268 CegarLoopResult]: For program point L523(lines 522 571) no Hoare annotation was computed. [2020-08-19 01:00:52,110 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 01:00:52,110 INFO L268 CegarLoopResult]: For program point L552(lines 552 567) no Hoare annotation was computed. [2020-08-19 01:00:52,110 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 01:00:52,110 INFO L268 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-08-19 01:00:52,110 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2020-08-19 01:00:52,111 INFO L264 CegarLoopResult]: At program point L569(lines 522 571) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 01:00:52,111 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 01:00:52,111 INFO L268 CegarLoopResult]: For program point L532(lines 532 538) no Hoare annotation was computed. [2020-08-19 01:00:52,111 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2020-08-19 01:00:52,111 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-08-19 01:00:52,111 INFO L268 CegarLoopResult]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2020-08-19 01:00:52,111 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2020-08-19 01:00:52,111 INFO L268 CegarLoopResult]: For program point L437(lines 437 444) no Hoare annotation was computed. [2020-08-19 01:00:52,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2020-08-19 01:00:52,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2020-08-19 01:00:52,112 INFO L268 CegarLoopResult]: For program point L431(lines 431 451) no Hoare annotation was computed. [2020-08-19 01:00:52,112 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2020-08-19 01:00:52,112 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2020-08-19 01:00:52,112 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2020-08-19 01:00:52,112 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2020-08-19 01:00:52,112 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-08-19 01:00:52,113 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-08-19 01:00:52,113 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-08-19 01:00:52,113 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-08-19 01:00:52,113 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-08-19 01:00:52,113 INFO L268 CegarLoopResult]: For program point L384(lines 362 385) no Hoare annotation was computed. [2020-08-19 01:00:52,113 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2020-08-19 01:00:52,113 INFO L268 CegarLoopResult]: For program point L343(lines 343 359) no Hoare annotation was computed. [2020-08-19 01:00:52,113 INFO L268 CegarLoopResult]: For program point L403(lines 403 410) no Hoare annotation was computed. [2020-08-19 01:00:52,114 INFO L268 CegarLoopResult]: For program point L364(lines 363 383) no Hoare annotation was computed. [2020-08-19 01:00:52,114 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-19 01:00:52,114 INFO L268 CegarLoopResult]: For program point L395-1(line 395) no Hoare annotation was computed. [2020-08-19 01:00:52,114 INFO L268 CegarLoopResult]: For program point L360(lines 360 401) no Hoare annotation was computed. [2020-08-19 01:00:52,114 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2020-08-19 01:00:52,114 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-08-19 01:00:52,114 INFO L268 CegarLoopResult]: For program point L379-1(line 379) no Hoare annotation was computed. [2020-08-19 01:00:52,114 INFO L268 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-08-19 01:00:52,115 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-19 01:00:52,115 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2020-08-19 01:00:52,115 INFO L268 CegarLoopResult]: For program point L365(lines 365 369) no Hoare annotation was computed. [2020-08-19 01:00:52,115 INFO L268 CegarLoopResult]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2020-08-19 01:00:52,115 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2020-08-19 01:00:52,115 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 908 917) no Hoare annotation was computed. [2020-08-19 01:00:52,115 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2020-08-19 01:00:52,115 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:00:52,116 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 01:00:52,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:00:52,116 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2020-08-19 01:00:52,116 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2020-08-19 01:00:52,116 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2020-08-19 01:00:52,116 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-08-19 01:00:52,117 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-08-19 01:00:52,117 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-08-19 01:00:52,117 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 01:00:52,117 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-08-19 01:00:52,117 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-08-19 01:00:52,117 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:00:52,117 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 01:00:52,117 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:00:52,118 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-19 01:00:52,118 INFO L264 CegarLoopResult]: At program point L603(lines 603 609) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-19 01:00:52,118 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-19 01:00:52,118 INFO L268 CegarLoopResult]: For program point L596(lines 595 614) no Hoare annotation was computed. [2020-08-19 01:00:52,119 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-19 01:00:52,119 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2020-08-19 01:00:52,119 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2020-08-19 01:00:52,119 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-19 01:00:52,119 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-19 01:00:52,119 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-19 01:00:52,119 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-19 01:00:52,120 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-19 01:00:52,120 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-19 01:00:52,120 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-19 01:00:52,120 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-19 01:00:52,120 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-19 01:00:52,120 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-19 01:00:52,121 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-08-19 01:00:52,121 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-08-19 01:00:52,121 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-08-19 01:00:52,121 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2020-08-19 01:00:52,121 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-08-19 01:00:52,121 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-08-19 01:00:52,122 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-19 01:00:52,122 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-19 01:00:52,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:00:52,122 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-19 01:00:52,122 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 01:00:52,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:00:52,122 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2020-08-19 01:00:52,123 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 01:00:52,123 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2020-08-19 01:00:52,123 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-08-19 01:00:52,123 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-08-19 01:00:52,123 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-19 01:00:52,124 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2020-08-19 01:00:52,124 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2020-08-19 01:00:52,124 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2020-08-19 01:00:52,124 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2020-08-19 01:00:52,124 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 01:00:52,125 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2020-08-19 01:00:52,125 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 01:00:52,125 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 01:00:52,125 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-08-19 01:00:52,125 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 01:00:52,125 INFO L268 CegarLoopResult]: For program point L630-1(line 630) no Hoare annotation was computed. [2020-08-19 01:00:52,126 INFO L268 CegarLoopResult]: For program point L628(lines 628 645) no Hoare annotation was computed. [2020-08-19 01:00:52,126 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 01:00:52,126 INFO L268 CegarLoopResult]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2020-08-19 01:00:52,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 01:00:52 BoogieIcfgContainer [2020-08-19 01:00:52,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 01:00:52,153 INFO L168 Benchmark]: Toolchain (without parser) took 36737.87 ms. Allocated memory was 142.1 MB in the beginning and 735.6 MB in the end (delta: 593.5 MB). Free memory was 103.0 MB in the beginning and 88.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 608.5 MB. Max. memory is 7.1 GB. [2020-08-19 01:00:52,154 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 122.4 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 01:00:52,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.94 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 102.8 MB in the beginning and 171.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-08-19 01:00:52,155 INFO L168 Benchmark]: Boogie Preprocessor took 90.81 ms. Allocated memory is still 205.0 MB. Free memory was 170.9 MB in the beginning and 167.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-08-19 01:00:52,156 INFO L168 Benchmark]: RCFGBuilder took 1235.11 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 167.1 MB in the beginning and 189.6 MB in the end (delta: -22.4 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-08-19 01:00:52,157 INFO L168 Benchmark]: TraceAbstraction took 34691.51 ms. Allocated memory was 234.9 MB in the beginning and 735.6 MB in the end (delta: 500.7 MB). Free memory was 188.2 MB in the beginning and 88.7 MB in the end (delta: 99.5 MB). Peak memory consumption was 600.9 MB. Max. memory is 7.1 GB. [2020-08-19 01:00:52,161 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 142.1 MB. Free memory was 122.4 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.94 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 102.8 MB in the beginning and 171.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.81 ms. Allocated memory is still 205.0 MB. Free memory was 170.9 MB in the beginning and 167.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1235.11 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 167.1 MB in the beginning and 189.6 MB in the end (delta: -22.4 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34691.51 ms. Allocated memory was 234.9 MB in the beginning and 735.6 MB in the end (delta: 500.7 MB). Free memory was 188.2 MB in the beginning and 88.7 MB in the end (delta: 99.5 MB). Peak memory consumption was 600.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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: 522]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 1480 SDslu, 621 SDs, 0 SdLazy, 3390 SolverSat, 1024 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1208 HoareAnnotationTreeSize, 838 FomulaSimplifications, 176038 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 21992 FormulaSimplificationTreeSizeReductionInter, 11.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 106070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/24 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...