/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:05:10,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:05:10,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:05:10,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:05:10,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:05:10,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:05:10,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:05:10,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:05:10,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:05:10,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:05:10,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:05:10,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:05:10,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:05:10,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:05:10,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:05:10,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:05:10,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:05:10,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:05:10,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:05:11,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:05:11,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:05:11,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:05:11,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:05:11,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:05:11,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:05:11,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:05:11,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:05:11,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:05:11,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:05:11,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:05:11,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:05:11,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:05:11,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:05:11,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:05:11,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:05:11,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:05:11,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:05:11,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:05:11,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:05:11,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:05:11,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:05:11,049 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 [2020-08-22 02:05:11,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:05:11,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:05:11,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:05:11,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:05:11,092 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:05:11,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:05:11,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:05:11,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:05:11,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:05:11,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:05:11,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:05:11,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:05:11,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:05:11,094 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:05:11,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:05:11,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:05:11,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:05:11,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:05:11,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:05:11,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:05:11,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:05:11,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:05:11,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:05:11,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:05:11,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:05:11,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:05:11,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:05:11,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:05:11,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:05:11,097 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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-08-22 02:05:11,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:05:11,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:05:11,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:05:11,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:05:11,421 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:05:11,421 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-08-22 02:05:11,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4482ea3da/887f5d421cdc4724959423f2b1c48df9/FLAGa6418964a [2020-08-22 02:05:11,996 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:05:11,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-08-22 02:05:12,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4482ea3da/887f5d421cdc4724959423f2b1c48df9/FLAGa6418964a [2020-08-22 02:05:12,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4482ea3da/887f5d421cdc4724959423f2b1c48df9 [2020-08-22 02:05:12,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:05:12,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:05:12,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:05:12,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:05:12,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:05:12,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:05:12" (1/1) ... [2020-08-22 02:05:12,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e065585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:12, skipping insertion in model container [2020-08-22 02:05:12,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:05:12" (1/1) ... [2020-08-22 02:05:12,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:05:12,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:05:12,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:05:12,921 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:05:13,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:05:13,065 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:05:13,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13 WrapperNode [2020-08-22 02:05:13,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:05:13,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:05:13,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:05:13,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:05:13,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (1/1) ... [2020-08-22 02:05:13,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (1/1) ... [2020-08-22 02:05:13,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (1/1) ... [2020-08-22 02:05:13,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (1/1) ... [2020-08-22 02:05:13,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (1/1) ... [2020-08-22 02:05:13,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (1/1) ... [2020-08-22 02:05:13,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (1/1) ... [2020-08-22 02:05:13,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:05:13,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:05:13,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:05:13,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:05:13,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (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 [2020-08-22 02:05:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:05:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:05:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:05:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:05:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:05:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:05:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:05:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:05:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:05:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:05:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:05:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 02:05:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:05:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-22 02:05:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:05:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:05:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:05:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:05:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:05:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 02:05:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 02:05:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-22 02:05:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:05:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:05:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:05:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:05:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:05:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:05:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:05:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-22 02:05:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:05:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 02:05:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:05:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-22 02:05:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:05:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:05:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:05:14,262 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:05:14,263 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:05:14,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:05:14 BoogieIcfgContainer [2020-08-22 02:05:14,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:05:14,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:05:14,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:05:14,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:05:14,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:05:12" (1/3) ... [2020-08-22 02:05:14,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5434a29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:05:14, skipping insertion in model container [2020-08-22 02:05:14,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:05:13" (2/3) ... [2020-08-22 02:05:14,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5434a29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:05:14, skipping insertion in model container [2020-08-22 02:05:14,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:05:14" (3/3) ... [2020-08-22 02:05:14,277 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-08-22 02:05:14,289 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:05:14,298 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:05:14,313 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:05:14,338 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:05:14,339 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:05:14,339 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:05:14,339 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:05:14,339 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:05:14,340 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:05:14,340 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:05:14,340 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:05:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-08-22 02:05:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 02:05:14,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:05:14,375 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] [2020-08-22 02:05:14,376 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:05:14,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:05:14,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1532249009, now seen corresponding path program 1 times [2020-08-22 02:05:14,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:05:14,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180219217] [2020-08-22 02:05:14,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:05:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:15,068 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:05:15,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:05:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:15,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:05:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:15,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:05:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:15,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:05:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:15,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:05:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:15,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 02:05:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:15,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 02:05:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:05:15,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180219217] [2020-08-22 02:05:15,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:05:15,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 02:05:15,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780560029] [2020-08-22 02:05:15,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 02:05:15,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:05:15,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 02:05:15,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 02:05:15,183 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 3 states. [2020-08-22 02:05:16,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:05:16,238 INFO L93 Difference]: Finished difference Result 266 states and 350 transitions. [2020-08-22 02:05:16,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 02:05:16,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-22 02:05:16,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:05:16,256 INFO L225 Difference]: With dead ends: 266 [2020-08-22 02:05:16,256 INFO L226 Difference]: Without dead ends: 145 [2020-08-22 02:05:16,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 02:05:16,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-22 02:05:16,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2020-08-22 02:05:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-08-22 02:05:16,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-08-22 02:05:16,355 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2020-08-22 02:05:16,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:05:16,356 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-08-22 02:05:16,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 02:05:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-08-22 02:05:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-22 02:05:16,360 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:05:16,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:05:16,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:05:16,361 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:05:16,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:05:16,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1264772962, now seen corresponding path program 1 times [2020-08-22 02:05:16,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:05:16,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014096477] [2020-08-22 02:05:16,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:05:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:16,801 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:05:16,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:05:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:16,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:05:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:05:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:16,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:05:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:16,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:05:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:16,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 02:05:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:16,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 02:05:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:05:16,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014096477] [2020-08-22 02:05:16,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:05:16,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:05:16,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533473502] [2020-08-22 02:05:16,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:05:16,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:05:16,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:05:16,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:05:16,849 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 4 states. [2020-08-22 02:05:17,270 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:05:18,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:05:18,025 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2020-08-22 02:05:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 02:05:18,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-22 02:05:18,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:05:18,030 INFO L225 Difference]: With dead ends: 189 [2020-08-22 02:05:18,030 INFO L226 Difference]: Without dead ends: 129 [2020-08-22 02:05:18,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:05:18,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-22 02:05:18,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 103. [2020-08-22 02:05:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-22 02:05:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2020-08-22 02:05:18,087 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2020-08-22 02:05:18,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:05:18,088 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2020-08-22 02:05:18,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:05:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2020-08-22 02:05:18,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 02:05:18,098 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:05:18,099 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] [2020-08-22 02:05:18,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:05:18,099 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:05:18,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:05:18,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1057002583, now seen corresponding path program 1 times [2020-08-22 02:05:18,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:05:18,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519969340] [2020-08-22 02:05:18,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:05:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:18,440 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:05:18,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:05:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:18,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:05:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:05:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:18,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:05:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:18,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:05:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:18,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 02:05:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:18,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 02:05:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:05:18,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519969340] [2020-08-22 02:05:18,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:05:18,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 02:05:18,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120208406] [2020-08-22 02:05:18,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 02:05:18,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:05:18,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 02:05:18,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 02:05:18,551 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 8 states. [2020-08-22 02:05:18,913 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:05:19,232 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:05:19,499 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:05:19,719 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:05:20,435 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:05:21,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:05:21,860 INFO L93 Difference]: Finished difference Result 360 states and 445 transitions. [2020-08-22 02:05:21,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 02:05:21,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-22 02:05:21,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:05:21,864 INFO L225 Difference]: With dead ends: 360 [2020-08-22 02:05:21,865 INFO L226 Difference]: Without dead ends: 281 [2020-08-22 02:05:21,866 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 [2020-08-22 02:05:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-08-22 02:05:21,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 220. [2020-08-22 02:05:21,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-22 02:05:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2020-08-22 02:05:21,946 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2020-08-22 02:05:21,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:05:21,947 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2020-08-22 02:05:21,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 02:05:21,947 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2020-08-22 02:05:21,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 02:05:21,949 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:05:21,949 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] [2020-08-22 02:05:21,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:05:21,949 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:05:21,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:05:21,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1843591259, now seen corresponding path program 1 times [2020-08-22 02:05:21,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:05:21,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949215761] [2020-08-22 02:05:21,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:05:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,269 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:05:22,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:05:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:05:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:05:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:05:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:05:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 02:05:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:05:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 02:05:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:05:22,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949215761] [2020-08-22 02:05:22,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:05:22,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 02:05:22,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401900157] [2020-08-22 02:05:22,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 02:05:22,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:05:22,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 02:05:22,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:05:22,404 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 12 states. [2020-08-22 02:05:22,859 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:05:23,212 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:05:23,450 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:05:23,690 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:05:24,243 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:05:25,062 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:05:25,449 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:05:25,741 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:05:26,030 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:05:26,296 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:05:26,667 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:05:26,962 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:05:27,245 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:05:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:05:28,239 INFO L93 Difference]: Finished difference Result 875 states and 1174 transitions. [2020-08-22 02:05:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 02:05:28,240 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-22 02:05:28,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:05:28,247 INFO L225 Difference]: With dead ends: 875 [2020-08-22 02:05:28,247 INFO L226 Difference]: Without dead ends: 679 [2020-08-22 02:05:28,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-22 02:05:28,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-08-22 02:05:28,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 582. [2020-08-22 02:05:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-08-22 02:05:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2020-08-22 02:05:28,381 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 57 [2020-08-22 02:05:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:05:28,384 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2020-08-22 02:05:28,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 02:05:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2020-08-22 02:05:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-22 02:05:28,395 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:05:28,395 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] [2020-08-22 02:05:28,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:05:28,396 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:05:28,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:05:28,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1600095125, now seen corresponding path program 1 times [2020-08-22 02:05:28,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:05:28,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917971397] [2020-08-22 02:05:28,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:05:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,694 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:05:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:05:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:05:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:05:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:05:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:05:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 02:05:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 02:05:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:05:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 02:05:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:05:28,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917971397] [2020-08-22 02:05:28,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:05:28,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 02:05:28,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952693729] [2020-08-22 02:05:28,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 02:05:28,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:05:28,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 02:05:28,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 02:05:28,771 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 6 states. [2020-08-22 02:05:29,145 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:05:30,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:05:30,003 INFO L93 Difference]: Finished difference Result 1027 states and 1340 transitions. [2020-08-22 02:05:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 02:05:30,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-22 02:05:30,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:05:30,007 INFO L225 Difference]: With dead ends: 1027 [2020-08-22 02:05:30,008 INFO L226 Difference]: Without dead ends: 469 [2020-08-22 02:05:30,012 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 [2020-08-22 02:05:30,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-08-22 02:05:30,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-08-22 02:05:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-08-22 02:05:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-08-22 02:05:30,122 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-08-22 02:05:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:05:30,123 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-08-22 02:05:30,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 02:05:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-08-22 02:05:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-22 02:05:30,125 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:05:30,126 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] [2020-08-22 02:05:30,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:05:30,126 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:05:30,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:05:30,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2108479595, now seen corresponding path program 1 times [2020-08-22 02:05:30,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:05:30,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582406726] [2020-08-22 02:05:30,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:05:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,446 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:05:30,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:05:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:05:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:05:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:05:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:05:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 02:05:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:05:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 02:05:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:05:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:05:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 02:05:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-22 02:05:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 02:05:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:05:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 02:05:30,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582406726] [2020-08-22 02:05:30,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:05:30,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 02:05:30,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155189304] [2020-08-22 02:05:30,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:05:30,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:05:30,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:05:30,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:05:30,612 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 10 states. [2020-08-22 02:05:31,180 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-22 02:05:31,721 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:05:32,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:05:32,642 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-08-22 02:05:32,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 02:05:32,643 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-08-22 02:05:32,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:05:32,644 INFO L225 Difference]: With dead ends: 565 [2020-08-22 02:05:32,644 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:05:32,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-22 02:05:32,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:05:32,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:05:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:05:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:05:32,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-22 02:05:32,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:05:32,647 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:05:32,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:05:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:05:32,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:05:32,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 02:05:32,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:05:32,932 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 21 [2020-08-22 02:05:33,311 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 25 [2020-08-22 02:05:34,038 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 196 [2020-08-22 02:05:36,964 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 02:05:37,431 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:05:37,851 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-22 02:05:38,270 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-22 02:05:39,049 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 02:05:39,611 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-22 02:05:39,833 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 02:05:40,302 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-22 02:05:40,531 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:05:41,228 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-08-22 02:05:41,395 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 02:05:42,125 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-22 02:05:42,644 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:05:43,279 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2020-08-22 02:05:43,450 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 02:05:44,112 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:05:44,621 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-22 02:05:45,012 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:05:45,442 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:05:45,582 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-22 02:05:45,976 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 02:05:46,633 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-08-22 02:05:46,638 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-08-22 02:05:46,639 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-22 02:05:46,640 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-22 02:05:46,640 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-22 02:05:46,640 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-22 02:05:46,640 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-22 02:05:46,640 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 02:05:46,640 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2020-08-22 02:05:46,640 INFO L268 CegarLoopResult]: For program point L829(lines 829 835) no Hoare annotation was computed. [2020-08-22 02:05:46,640 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 02:05:46,640 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-08-22 02:05:46,641 INFO L268 CegarLoopResult]: For program point L825(lines 825 838) no Hoare annotation was computed. [2020-08-22 02:05:46,641 INFO L268 CegarLoopResult]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2020-08-22 02:05:46,641 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-08-22 02:05:46,641 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-08-22 02:05:46,641 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2020-08-22 02:05:46,641 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 605 627) 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))) [2020-08-22 02:05:46,641 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2020-08-22 02:05:46,642 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2020-08-22 02:05:46,642 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:05:46,642 INFO L264 CegarLoopResult]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:05:46,642 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-08-22 02:05:46,642 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2020-08-22 02:05:46,642 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-22 02:05:46,643 INFO L264 CegarLoopResult]: At program point L612(line 612) 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))) [2020-08-22 02:05:46,643 INFO L264 CegarLoopResult]: At program point L611(line 611) 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))) [2020-08-22 02:05:46,643 INFO L264 CegarLoopResult]: At program point L611-1(line 611) 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))) [2020-08-22 02:05:46,643 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 02:05:46,643 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-22 02:05:46,643 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 563 586) no Hoare annotation was computed. [2020-08-22 02:05:46,643 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 563 586) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 563 586) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-22 02:05:46,644 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 02:05:46,645 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-08-22 02:05:46,645 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-22 02:05:46,645 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-22 02:05:46,645 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-22 02:05:46,645 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 671 677) no Hoare annotation was computed. [2020-08-22 02:05:46,645 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 671 677) the Hoare annotation is: true [2020-08-22 02:05:46,645 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2020-08-22 02:05:46,645 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 02:05:46,646 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-08-22 02:05:46,646 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 793 807) 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))))) [2020-08-22 02:05:46,646 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2020-08-22 02:05:46,646 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 704 711) no Hoare annotation was computed. [2020-08-22 02:05:46,646 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 704 711) no Hoare annotation was computed. [2020-08-22 02:05:46,646 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 704 711) no Hoare annotation was computed. [2020-08-22 02:05:46,646 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2020-08-22 02:05:46,646 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2020-08-22 02:05:46,647 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2020-08-22 02:05:46,647 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-08-22 02:05:46,647 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-08-22 02:05:46,647 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-08-22 02:05:46,647 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-08-22 02:05:46,647 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2020-08-22 02:05:46,647 INFO L268 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-08-22 02:05:46,647 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2020-08-22 02:05:46,648 INFO L268 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-08-22 02:05:46,648 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2020-08-22 02:05:46,648 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-22 02:05:46,648 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-22 02:05:46,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-08-22 02:05:46,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-08-22 02:05:46,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-08-22 02:05:46,648 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-08-22 02:05:46,648 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-08-22 02:05:46,649 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-08-22 02:05:46,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-08-22 02:05:46,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-08-22 02:05:46,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-08-22 02:05:46,649 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 595 604) 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))) [2020-08-22 02:05:46,649 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2020-08-22 02:05:46,649 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2020-08-22 02:05:46,650 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2020-08-22 02:05:46,650 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2020-08-22 02:05:46,650 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2020-08-22 02:05:46,650 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-08-22 02:05:46,650 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-08-22 02:05:46,650 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2020-08-22 02:05:46,650 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2020-08-22 02:05:46,650 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2020-08-22 02:05:46,651 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-22 02:05:46,651 INFO L268 CegarLoopResult]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2020-08-22 02:05:46,651 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 679 703) no Hoare annotation was computed. [2020-08-22 02:05:46,651 INFO L264 CegarLoopResult]: At program point L693(line 693) 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))) [2020-08-22 02:05:46,651 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 679 703) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-22 02:05:46,651 INFO L264 CegarLoopResult]: At program point L689(line 689) 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))) [2020-08-22 02:05:46,651 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-08-22 02:05:46,652 INFO L264 CegarLoopResult]: At program point L685(line 685) 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))) [2020-08-22 02:05:46,652 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-08-22 02:05:46,652 INFO L268 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2020-08-22 02:05:46,652 INFO L264 CegarLoopResult]: At program point L865(line 865) 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))) [2020-08-22 02:05:46,652 INFO L264 CegarLoopResult]: At program point testENTRY(lines 843 910) 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))) [2020-08-22 02:05:46,652 INFO L268 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-08-22 02:05:46,652 INFO L268 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-08-22 02:05:46,652 INFO L268 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-08-22 02:05:46,653 INFO L268 CegarLoopResult]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2020-08-22 02:05:46,653 INFO L264 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:05:46,653 INFO L264 CegarLoopResult]: At program point L893(line 893) 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))) [2020-08-22 02:05:46,653 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-08-22 02:05:46,653 INFO L264 CegarLoopResult]: At program point L891-1(lines 883 898) 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))) [2020-08-22 02:05:46,653 INFO L268 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2020-08-22 02:05:46,653 INFO L264 CegarLoopResult]: At program point L885(line 885) 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))) [2020-08-22 02:05:46,654 INFO L268 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2020-08-22 02:05:46,654 INFO L264 CegarLoopResult]: At program point L875(line 875) 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))) [2020-08-22 02:05:46,654 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-08-22 02:05:46,654 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2020-08-22 02:05:46,654 INFO L264 CegarLoopResult]: At program point L900(lines 853 902) 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))) [2020-08-22 02:05:46,654 INFO L268 CegarLoopResult]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2020-08-22 02:05:46,655 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-08-22 02:05:46,655 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-08-22 02:05:46,655 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-08-22 02:05:46,655 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-08-22 02:05:46,655 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-08-22 02:05:46,655 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-08-22 02:05:46,655 INFO L268 CegarLoopResult]: For program point L505(lines 505 513) no Hoare annotation was computed. [2020-08-22 02:05:46,655 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-08-22 02:05:46,656 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-08-22 02:05:46,657 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-08-22 02:05:46,657 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-08-22 02:05:46,657 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-08-22 02:05:46,657 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-08-22 02:05:46,657 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-08-22 02:05:46,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-08-22 02:05:46,657 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-08-22 02:05:46,657 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-08-22 02:05:46,658 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-08-22 02:05:46,658 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-08-22 02:05:46,658 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-08-22 02:05:46,658 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-08-22 02:05:46,658 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-08-22 02:05:46,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:05:46,658 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:05:46,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:05:46,659 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-08-22 02:05:46,659 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-08-22 02:05:46,659 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-08-22 02:05:46,659 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 712 728) no Hoare annotation was computed. [2020-08-22 02:05:46,659 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 712 728) no Hoare annotation was computed. [2020-08-22 02:05:46,659 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-08-22 02:05:46,659 INFO L268 CegarLoopResult]: For program point L723-1(lines 712 728) no Hoare annotation was computed. [2020-08-22 02:05:46,660 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2020-08-22 02:05:46,660 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2020-08-22 02:05:46,660 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2020-08-22 02:05:46,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:05:46,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:05:46,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:05:46,660 INFO L268 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-08-22 02:05:46,660 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 476 487) 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))))) [2020-08-22 02:05:46,661 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2020-08-22 02:05:46,661 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2020-08-22 02:05:46,661 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2020-08-22 02:05:46,661 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2020-08-22 02:05:46,661 INFO L264 CegarLoopResult]: At program point L660(line 660) 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))) [2020-08-22 02:05:46,661 INFO L264 CegarLoopResult]: At program point L658(lines 658 664) 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))) [2020-08-22 02:05:46,662 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 647 670) 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))) [2020-08-22 02:05:46,662 INFO L264 CegarLoopResult]: At program point L653(line 653) 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))) [2020-08-22 02:05:46,662 INFO L268 CegarLoopResult]: For program point L651(lines 650 669) no Hoare annotation was computed. [2020-08-22 02:05:46,662 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2020-08-22 02:05:46,662 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2020-08-22 02:05:46,662 INFO L271 CegarLoopResult]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2020-08-22 02:05:46,662 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2020-08-22 02:05:46,662 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-08-22 02:05:46,663 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2020-08-22 02:05:46,663 INFO L271 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2020-08-22 02:05:46,663 INFO L271 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: true [2020-08-22 02:05:46,663 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-08-22 02:05:46,663 INFO L271 CegarLoopResult]: At program point L557(lines 532 561) the Hoare annotation is: true [2020-08-22 02:05:46,663 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 02:05:46,663 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-08-22 02:05:46,663 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-08-22 02:05:46,663 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-08-22 02:05:46,664 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-08-22 02:05:46,664 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2020-08-22 02:05:46,664 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2020-08-22 02:05:46,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:05:46,664 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 02:05:46,664 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:05:46,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:05:46,665 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2020-08-22 02:05:46,665 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 808 815) 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))))) [2020-08-22 02:05:46,665 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2020-08-22 02:05:46,665 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2020-08-22 02:05:46,665 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 464 475) 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))) [2020-08-22 02:05:46,665 INFO L268 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-08-22 02:05:46,665 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 629 636) no Hoare annotation was computed. [2020-08-22 02:05:46,666 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2020-08-22 02:05:46,666 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 629 636) the Hoare annotation is: true [2020-08-22 02:05:46,666 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 629 636) no Hoare annotation was computed. [2020-08-22 02:05:46,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:05:46 BoogieIcfgContainer [2020-08-22 02:05:46,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:05:46,686 INFO L168 Benchmark]: Toolchain (without parser) took 34371.65 ms. Allocated memory was 141.6 MB in the beginning and 683.1 MB in the end (delta: 541.6 MB). Free memory was 103.5 MB in the beginning and 268.7 MB in the end (delta: -165.2 MB). Peak memory consumption was 532.5 MB. Max. memory is 7.1 GB. [2020-08-22 02:05:46,687 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 02:05:46,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.05 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.3 MB in the beginning and 173.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-08-22 02:05:46,688 INFO L168 Benchmark]: Boogie Preprocessor took 89.81 ms. Allocated memory is still 205.5 MB. Free memory was 173.2 MB in the beginning and 169.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-22 02:05:46,689 INFO L168 Benchmark]: RCFGBuilder took 1112.09 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 169.3 MB in the beginning and 194.4 MB in the end (delta: -25.1 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-08-22 02:05:46,690 INFO L168 Benchmark]: TraceAbstraction took 32414.75 ms. Allocated memory was 235.9 MB in the beginning and 683.1 MB in the end (delta: 447.2 MB). Free memory was 194.4 MB in the beginning and 268.7 MB in the end (delta: -74.3 MB). Peak memory consumption was 529.1 MB. Max. memory is 7.1 GB. [2020-08-22 02:05:46,694 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.05 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.3 MB in the beginning and 173.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.81 ms. Allocated memory is still 205.5 MB. Free memory was 173.2 MB in the beginning and 169.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1112.09 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 169.3 MB in the beginning and 194.4 MB in the end (delta: -25.1 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32414.75 ms. Allocated memory was 235.9 MB in the beginning and 683.1 MB in the end (delta: 447.2 MB). Free memory was 194.4 MB in the beginning and 268.7 MB in the end (delta: -74.3 MB). Peak memory consumption was 529.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: 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: 853]: 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: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 594 SDtfs, 1307 SDslu, 598 SDs, 0 SdLazy, 2882 SolverSat, 936 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s 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=582occurred 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, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 176427 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 19645 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s 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...