/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=HIGHLEXORDER --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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 18:48:08,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 18:48:08,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 18:48:08,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 18:48:08,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 18:48:08,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 18:48:08,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 18:48:08,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 18:48:08,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 18:48:08,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 18:48:08,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 18:48:08,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 18:48:08,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 18:48:08,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 18:48:08,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 18:48:08,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 18:48:08,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 18:48:08,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 18:48:08,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 18:48:08,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 18:48:08,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 18:48:08,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 18:48:08,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 18:48:08,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 18:48:08,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 18:48:08,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 18:48:08,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 18:48:08,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 18:48:08,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 18:48:08,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 18:48:08,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 18:48:08,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 18:48:08,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 18:48:08,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 18:48:08,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 18:48:08,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 18:48:08,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 18:48:08,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 18:48:08,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 18:48:08,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 18:48:08,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 18:48:08,138 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 [2020-08-21 18:48:08,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 18:48:08,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 18:48:08,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 18:48:08,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 18:48:08,194 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 18:48:08,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 18:48:08,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 18:48:08,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 18:48:08,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 18:48:08,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 18:48:08,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 18:48:08,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 18:48:08,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 18:48:08,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 18:48:08,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 18:48:08,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 18:48:08,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 18:48:08,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 18:48:08,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 18:48:08,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 18:48:08,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 18:48:08,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 18:48:08,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 18:48:08,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 18:48:08,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 18:48:08,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 18:48:08,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 18:48:08,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 18:48:08,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 18:48:08,202 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=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-08-21 18:48:08,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 18:48:08,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 18:48:08,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 18:48:08,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 18:48:08,545 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 18:48:08,546 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-08-21 18:48:08,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfb491948/bbf37fa7ff8a4cefb71b82f853386238/FLAGaf9a4eaf3 [2020-08-21 18:48:09,152 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 18:48:09,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-08-21 18:48:09,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfb491948/bbf37fa7ff8a4cefb71b82f853386238/FLAGaf9a4eaf3 [2020-08-21 18:48:09,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfb491948/bbf37fa7ff8a4cefb71b82f853386238 [2020-08-21 18:48:09,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 18:48:09,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 18:48:09,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 18:48:09,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 18:48:09,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 18:48:09,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:48:09" (1/1) ... [2020-08-21 18:48:09,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53baac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:09, skipping insertion in model container [2020-08-21 18:48:09,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:48:09" (1/1) ... [2020-08-21 18:48:09,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 18:48:09,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 18:48:09,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:48:09,850 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 18:48:10,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:48:10,055 INFO L208 MainTranslator]: Completed translation [2020-08-21 18:48:10,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10 WrapperNode [2020-08-21 18:48:10,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 18:48:10,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 18:48:10,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 18:48:10,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 18:48:10,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (1/1) ... [2020-08-21 18:48:10,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (1/1) ... [2020-08-21 18:48:10,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (1/1) ... [2020-08-21 18:48:10,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (1/1) ... [2020-08-21 18:48:10,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (1/1) ... [2020-08-21 18:48:10,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (1/1) ... [2020-08-21 18:48:10,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (1/1) ... [2020-08-21 18:48:10,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 18:48:10,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 18:48:10,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 18:48:10,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 18:48:10,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (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 [2020-08-21 18:48:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 18:48:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 18:48:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 18:48:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 18:48:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 18:48:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 18:48:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 18:48:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 18:48:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 18:48:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 18:48:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 18:48:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 18:48:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 18:48:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-21 18:48:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 18:48:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 18:48:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 18:48:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 18:48:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 18:48:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 18:48:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 18:48:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 18:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 18:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 18:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 18:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 18:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 18:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 18:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 18:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 18:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 18:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 18:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 18:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 18:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 18:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 18:48:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 18:48:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 18:48:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 18:48:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 18:48:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 18:48:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 18:48:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 18:48:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 18:48:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 18:48:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 18:48:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 18:48:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 18:48:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 18:48:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 18:48:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 18:48:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 18:48:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 18:48:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 18:48:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 18:48:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 18:48:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 18:48:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 18:48:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 18:48:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-21 18:48:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 18:48:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 18:48:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 18:48:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 18:48:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 18:48:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 18:48:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 18:48:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 18:48:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 18:48:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 18:48:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 18:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 18:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 18:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 18:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 18:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 18:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 18:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 18:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 18:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 18:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 18:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 18:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 18:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 18:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 18:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 18:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 18:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 18:48:11,316 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 18:48:11,317 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 18:48:11,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:48:11 BoogieIcfgContainer [2020-08-21 18:48:11,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 18:48:11,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 18:48:11,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 18:48:11,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 18:48:11,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 06:48:09" (1/3) ... [2020-08-21 18:48:11,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de931b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:48:11, skipping insertion in model container [2020-08-21 18:48:11,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:48:10" (2/3) ... [2020-08-21 18:48:11,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de931b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:48:11, skipping insertion in model container [2020-08-21 18:48:11,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:48:11" (3/3) ... [2020-08-21 18:48:11,330 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2020-08-21 18:48:11,340 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 18:48:11,348 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 18:48:11,362 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 18:48:11,384 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 18:48:11,384 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 18:48:11,384 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 18:48:11,384 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 18:48:11,385 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 18:48:11,385 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 18:48:11,385 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 18:48:11,385 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 18:48:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-08-21 18:48:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 18:48:11,415 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:48:11,416 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] [2020-08-21 18:48:11,416 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:48:11,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:48:11,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1570984683, now seen corresponding path program 1 times [2020-08-21 18:48:11,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:48:11,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417536457] [2020-08-21 18:48:11,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:48:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:12,158 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:48:12,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:48:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:48:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:12,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:48:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:48:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:12,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:48:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:12,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 18:48:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:12,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 18:48:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:48:12,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417536457] [2020-08-21 18:48:12,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:48:12,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 18:48:12,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647697409] [2020-08-21 18:48:12,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 18:48:12,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:48:12,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 18:48:12,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:48:12,301 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-08-21 18:48:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:48:13,242 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-08-21 18:48:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 18:48:13,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 18:48:13,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:48:13,258 INFO L225 Difference]: With dead ends: 228 [2020-08-21 18:48:13,258 INFO L226 Difference]: Without dead ends: 125 [2020-08-21 18:48:13,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:48:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-21 18:48:13,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-08-21 18:48:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-21 18:48:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-08-21 18:48:13,340 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-08-21 18:48:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:48:13,340 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-08-21 18:48:13,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 18:48:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-08-21 18:48:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 18:48:13,344 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:48:13,344 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] [2020-08-21 18:48:13,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 18:48:13,345 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:48:13,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:48:13,345 INFO L82 PathProgramCache]: Analyzing trace with hash 492897412, now seen corresponding path program 1 times [2020-08-21 18:48:13,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:48:13,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310808639] [2020-08-21 18:48:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:48:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:13,699 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:48:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:48:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:48:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:13,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:48:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:13,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:48:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:48:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:13,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 18:48:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 18:48:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:48:13,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310808639] [2020-08-21 18:48:13,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:48:13,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 18:48:13,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010852066] [2020-08-21 18:48:13,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 18:48:13,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:48:13,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 18:48:13,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 18:48:13,749 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-08-21 18:48:14,222 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:48:14,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:48:14,753 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-08-21 18:48:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 18:48:14,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 18:48:14,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:48:14,757 INFO L225 Difference]: With dead ends: 148 [2020-08-21 18:48:14,757 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 18:48:14,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 18:48:14,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 18:48:14,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-08-21 18:48:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-21 18:48:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-08-21 18:48:14,787 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-08-21 18:48:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:48:14,788 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-08-21 18:48:14,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 18:48:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-08-21 18:48:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 18:48:14,790 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:48:14,790 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] [2020-08-21 18:48:14,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 18:48:14,790 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:48:14,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:48:14,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1711482820, now seen corresponding path program 1 times [2020-08-21 18:48:14,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:48:14,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726789272] [2020-08-21 18:48:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:48:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:15,117 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:48:15,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:48:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:48:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:15,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:48:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:15,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:48:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:15,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:48:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:15,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 18:48:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 18:48:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:48:15,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726789272] [2020-08-21 18:48:15,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:48:15,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 18:48:15,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748473468] [2020-08-21 18:48:15,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 18:48:15,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:48:15,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 18:48:15,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 18:48:15,224 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-08-21 18:48:15,620 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:48:15,926 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:48:16,175 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:48:16,429 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:48:17,139 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:48:18,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:48:18,155 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-08-21 18:48:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 18:48:18,156 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 18:48:18,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:48:18,159 INFO L225 Difference]: With dead ends: 302 [2020-08-21 18:48:18,159 INFO L226 Difference]: Without dead ends: 241 [2020-08-21 18:48:18,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 18:48:18,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-08-21 18:48:18,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-08-21 18:48:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-08-21 18:48:18,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-08-21 18:48:18,231 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-08-21 18:48:18,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:48:18,232 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-08-21 18:48:18,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 18:48:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-08-21 18:48:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 18:48:18,234 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:48:18,234 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] [2020-08-21 18:48:18,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 18:48:18,235 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:48:18,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:48:18,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1961603229, now seen corresponding path program 1 times [2020-08-21 18:48:18,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:48:18,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585294384] [2020-08-21 18:48:18,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:48:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,574 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:48:18,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:48:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:48:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:48:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:48:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:48:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 18:48:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 18:48:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 18:48:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:18,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:48:18,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585294384] [2020-08-21 18:48:18,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:48:18,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 18:48:18,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616054673] [2020-08-21 18:48:18,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 18:48:18,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:48:18,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 18:48:18,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 18:48:18,688 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 11 states. [2020-08-21 18:48:19,103 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:48:19,402 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:48:19,674 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:48:19,920 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:48:20,420 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:48:21,120 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:48:21,419 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 18:48:21,672 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 18:48:21,902 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 18:48:22,144 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:48:22,398 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 18:48:22,648 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 18:48:22,909 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:48:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:48:23,418 INFO L93 Difference]: Finished difference Result 611 states and 797 transitions. [2020-08-21 18:48:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 18:48:23,419 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-08-21 18:48:23,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:48:23,424 INFO L225 Difference]: With dead ends: 611 [2020-08-21 18:48:23,425 INFO L226 Difference]: Without dead ends: 463 [2020-08-21 18:48:23,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-08-21 18:48:23,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-08-21 18:48:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 434. [2020-08-21 18:48:23,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-08-21 18:48:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 532 transitions. [2020-08-21 18:48:23,553 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 532 transitions. Word has length 55 [2020-08-21 18:48:23,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:48:23,554 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 532 transitions. [2020-08-21 18:48:23,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 18:48:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 532 transitions. [2020-08-21 18:48:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 18:48:23,557 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:48:23,557 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] [2020-08-21 18:48:23,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 18:48:23,558 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:48:23,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:48:23,558 INFO L82 PathProgramCache]: Analyzing trace with hash 43544445, now seen corresponding path program 1 times [2020-08-21 18:48:23,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:48:23,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320816581] [2020-08-21 18:48:23,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:48:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,789 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:48:23,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:48:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:48:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:48:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:48:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:48:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 18:48:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 18:48:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 18:48:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 18:48:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:48:23,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320816581] [2020-08-21 18:48:23,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:48:23,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 18:48:23,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446072907] [2020-08-21 18:48:23,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 18:48:23,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:48:23,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 18:48:23,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 18:48:23,848 INFO L87 Difference]: Start difference. First operand 434 states and 532 transitions. Second operand 5 states. [2020-08-21 18:48:24,168 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:48:24,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:48:24,762 INFO L93 Difference]: Finished difference Result 796 states and 999 transitions. [2020-08-21 18:48:24,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 18:48:24,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-08-21 18:48:24,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:48:24,770 INFO L225 Difference]: With dead ends: 796 [2020-08-21 18:48:24,770 INFO L226 Difference]: Without dead ends: 386 [2020-08-21 18:48:24,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 18:48:24,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-08-21 18:48:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 372. [2020-08-21 18:48:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-08-21 18:48:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 431 transitions. [2020-08-21 18:48:24,839 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 431 transitions. Word has length 59 [2020-08-21 18:48:24,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:48:24,840 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 431 transitions. [2020-08-21 18:48:24,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 18:48:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 431 transitions. [2020-08-21 18:48:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-21 18:48:24,843 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:48:24,843 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] [2020-08-21 18:48:24,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 18:48:24,844 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:48:24,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:48:24,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1431905770, now seen corresponding path program 1 times [2020-08-21 18:48:24,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:48:24,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163568158] [2020-08-21 18:48:24,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:48:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,149 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:48:25,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:48:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:48:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:48:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:48:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:48:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 18:48:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 18:48:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 18:48:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 18:48:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:48:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-21 18:48:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-21 18:48:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-21 18:48:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:48:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-21 18:48:25,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163568158] [2020-08-21 18:48:25,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 18:48:25,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 18:48:25,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700912662] [2020-08-21 18:48:25,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 18:48:25,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:48:25,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 18:48:25,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 18:48:25,292 INFO L87 Difference]: Start difference. First operand 372 states and 431 transitions. Second operand 9 states. [2020-08-21 18:48:25,935 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 18:48:26,581 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:48:27,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:48:27,422 INFO L93 Difference]: Finished difference Result 525 states and 635 transitions. [2020-08-21 18:48:27,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 18:48:27,423 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-08-21 18:48:27,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:48:27,424 INFO L225 Difference]: With dead ends: 525 [2020-08-21 18:48:27,424 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 18:48:27,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2020-08-21 18:48:27,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 18:48:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 18:48:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 18:48:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 18:48:27,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-21 18:48:27,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:48:27,427 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 18:48:27,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 18:48:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 18:48:27,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 18:48:27,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 18:48:27,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 18:48:27,792 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 17 [2020-08-21 18:48:30,984 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 18:48:31,473 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 18:48:31,880 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 18:48:32,253 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 18:48:32,693 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-21 18:48:32,948 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:48:33,271 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 18:48:33,596 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 18:48:33,788 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-21 18:48:34,424 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-08-21 18:48:35,131 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-21 18:48:35,289 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-21 18:48:35,794 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 20 [2020-08-21 18:48:36,432 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 16 [2020-08-21 18:48:37,091 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-21 18:48:37,438 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 18:48:37,687 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-21 18:48:38,135 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-08-21 18:48:38,321 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-21 18:48:38,648 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 18:48:38,653 INFO L268 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-08-21 18:48:38,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 564 619) no Hoare annotation was computed. [2020-08-21 18:48:38,653 INFO L268 CegarLoopResult]: For program point L595-1(lines 595 599) no Hoare annotation was computed. [2020-08-21 18:48:38,653 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-08-21 18:48:38,653 INFO L268 CegarLoopResult]: For program point L589-2(lines 589 610) no Hoare annotation was computed. [2020-08-21 18:48:38,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 564 619) no Hoare annotation was computed. [2020-08-21 18:48:38,654 INFO L268 CegarLoopResult]: For program point L611(lines 588 612) no Hoare annotation was computed. [2020-08-21 18:48:38,654 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 564 619) no Hoare annotation was computed. [2020-08-21 18:48:38,654 INFO L268 CegarLoopResult]: For program point L672(lines 645 673) no Hoare annotation was computed. [2020-08-21 18:48:38,654 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-08-21 18:48:38,654 INFO L268 CegarLoopResult]: For program point L665-1(line 665) no Hoare annotation was computed. [2020-08-21 18:48:38,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 620 679) no Hoare annotation was computed. [2020-08-21 18:48:38,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 620 679) no Hoare annotation was computed. [2020-08-21 18:48:38,655 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-08-21 18:48:38,655 INFO L268 CegarLoopResult]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2020-08-21 18:48:38,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 620 679) no Hoare annotation was computed. [2020-08-21 18:48:38,655 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-08-21 18:48:38,656 INFO L268 CegarLoopResult]: For program point L646-2(lines 646 671) no Hoare annotation was computed. [2020-08-21 18:48:38,656 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 399 405) the Hoare annotation is: true [2020-08-21 18:48:38,656 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 399 405) no Hoare annotation was computed. [2020-08-21 18:48:38,656 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 406 414) no Hoare annotation was computed. [2020-08-21 18:48:38,656 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 406 414) the Hoare annotation is: true [2020-08-21 18:48:38,657 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 406 414) no Hoare annotation was computed. [2020-08-21 18:48:38,657 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-08-21 18:48:38,657 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-08-21 18:48:38,657 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-21 18:48:38,657 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-08-21 18:48:38,657 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-21 18:48:38,657 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-08-21 18:48:38,657 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-08-21 18:48:38,658 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-08-21 18:48:38,658 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-08-21 18:48:38,658 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-08-21 18:48:38,658 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) 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))) [2020-08-21 18:48:38,658 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-08-21 18:48:38,658 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:48:38,658 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:48:38,659 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-08-21 18:48:38,659 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-08-21 18:48:38,659 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 18:48:38,659 INFO L264 CegarLoopResult]: At program point L495(line 495) 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))) [2020-08-21 18:48:38,659 INFO L264 CegarLoopResult]: At program point L494(line 494) 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))) [2020-08-21 18:48:38,659 INFO L264 CegarLoopResult]: At program point L494-1(line 494) 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))) [2020-08-21 18:48:38,660 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-08-21 18:48:38,660 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 447 470) no Hoare annotation was computed. [2020-08-21 18:48:38,660 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 447 470) no Hoare annotation was computed. [2020-08-21 18:48:38,660 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 447 470) no Hoare annotation was computed. [2020-08-21 18:48:38,660 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-08-21 18:48:38,660 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-21 18:48:38,660 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 18:48:38,660 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 18:48:38,661 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-08-21 18:48:38,662 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-21 18:48:38,662 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2020-08-21 18:48:38,662 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-21 18:48:38,662 INFO L268 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2020-08-21 18:48:38,662 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 354 368) 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))))) [2020-08-21 18:48:38,662 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2020-08-21 18:48:38,662 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 264 271) no Hoare annotation was computed. [2020-08-21 18:48:38,662 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 264 271) no Hoare annotation was computed. [2020-08-21 18:48:38,662 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 264 271) no Hoare annotation was computed. [2020-08-21 18:48:38,662 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 309 317) no Hoare annotation was computed. [2020-08-21 18:48:38,663 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 309 317) the Hoare annotation is: true [2020-08-21 18:48:38,663 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 309 317) no Hoare annotation was computed. [2020-08-21 18:48:38,663 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-08-21 18:48:38,663 INFO L268 CegarLoopResult]: For program point L348-1(line 348) no Hoare annotation was computed. [2020-08-21 18:48:38,663 INFO L268 CegarLoopResult]: For program point L337(lines 337 345) no Hoare annotation was computed. [2020-08-21 18:48:38,663 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2020-08-21 18:48:38,663 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 318 353) no Hoare annotation was computed. [2020-08-21 18:48:38,663 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 318 353) no Hoare annotation was computed. [2020-08-21 18:48:38,663 INFO L268 CegarLoopResult]: For program point L325(lines 325 333) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point L325-2(lines 325 333) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 318 353) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 392 398) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 392 398) the Hoare annotation is: true [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 518 563) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 518 563) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 518 563) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 831 876) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point L851(lines 851 858) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point L845(lines 845 865) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point L845-1(lines 845 865) no Hoare annotation was computed. [2020-08-21 18:48:38,664 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 831 876) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 831 876) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 478 487) 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))) [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 478 487) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 478 487) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 298 308) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 298 308) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 298 308) no Hoare annotation was computed. [2020-08-21 18:48:38,665 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2020-08-21 18:48:38,665 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2020-08-21 18:48:38,666 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2020-08-21 18:48:38,666 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 257 263) no Hoare annotation was computed. [2020-08-21 18:48:38,666 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 257 263) the Hoare annotation is: true [2020-08-21 18:48:38,666 INFO L264 CegarLoopResult]: At program point testENTRY(lines 158 225) 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))) [2020-08-21 18:48:38,666 INFO L264 CegarLoopResult]: At program point L190(line 190) 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))) [2020-08-21 18:48:38,666 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-08-21 18:48:38,666 INFO L268 CegarLoopResult]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2020-08-21 18:48:38,667 INFO L264 CegarLoopResult]: At program point L215(lines 168 217) 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))) [2020-08-21 18:48:38,667 INFO L268 CegarLoopResult]: For program point testFINAL(lines 158 225) no Hoare annotation was computed. [2020-08-21 18:48:38,667 INFO L264 CegarLoopResult]: At program point L180(line 180) 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))) [2020-08-21 18:48:38,667 INFO L268 CegarLoopResult]: For program point L178(lines 178 184) no Hoare annotation was computed. [2020-08-21 18:48:38,667 INFO L268 CegarLoopResult]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2020-08-21 18:48:38,667 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-08-21 18:48:38,667 INFO L264 CegarLoopResult]: At program point L218(lines 167 219) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:48:38,667 INFO L264 CegarLoopResult]: At program point L208(line 208) 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))) [2020-08-21 18:48:38,667 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-08-21 18:48:38,667 INFO L264 CegarLoopResult]: At program point L206-1(lines 198 213) 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))) [2020-08-21 18:48:38,668 INFO L268 CegarLoopResult]: For program point L169(lines 168 217) no Hoare annotation was computed. [2020-08-21 18:48:38,668 INFO L264 CegarLoopResult]: At program point L200(line 200) 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))) [2020-08-21 18:48:38,668 INFO L268 CegarLoopResult]: For program point L198(lines 198 213) no Hoare annotation was computed. [2020-08-21 18:48:38,668 INFO L268 CegarLoopResult]: For program point testEXIT(lines 158 225) no Hoare annotation was computed. [2020-08-21 18:48:38,668 INFO L268 CegarLoopResult]: For program point L799(lines 799 819) no Hoare annotation was computed. [2020-08-21 18:48:38,668 INFO L268 CegarLoopResult]: For program point L799-1(lines 799 819) no Hoare annotation was computed. [2020-08-21 18:48:38,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 785 830) no Hoare annotation was computed. [2020-08-21 18:48:38,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 785 830) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 785 830) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point L805(lines 805 812) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 382 391) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 382 391) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 382 391) no Hoare annotation was computed. [2020-08-21 18:48:38,669 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 682 784) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L731-2(lines 731 751) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L752(lines 730 753) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L711(lines 711 727) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 682 784) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L771(lines 771 778) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L732(lines 731 751) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L728(lines 728 769) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 682 784) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L747(line 747) no Hoare annotation was computed. [2020-08-21 18:48:38,670 INFO L268 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-08-21 18:48:38,671 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-08-21 18:48:38,671 INFO L268 CegarLoopResult]: For program point L770(lines 770 781) no Hoare annotation was computed. [2020-08-21 18:48:38,671 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:48:38,671 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 18:48:38,671 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:48:38,671 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-08-21 18:48:38,671 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 273 289) no Hoare annotation was computed. [2020-08-21 18:48:38,671 INFO L268 CegarLoopResult]: For program point L284-1(lines 273 289) no Hoare annotation was computed. [2020-08-21 18:48:38,671 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 273 289) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point L278-1(line 278) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) 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))))) [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 18:48:38,672 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:48:38,673 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2020-08-21 18:48:38,673 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 18:48:38,673 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 18:48:38,673 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1))) [2020-08-21 18:48:38,673 INFO L264 CegarLoopResult]: At program point L244(lines 244 250) 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))) [2020-08-21 18:48:38,673 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 233 256) 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))) [2020-08-21 18:48:38,673 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-21 18:48:38,673 INFO L268 CegarLoopResult]: For program point L237(lines 236 255) no Hoare annotation was computed. [2020-08-21 18:48:38,673 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2020-08-21 18:48:38,674 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2020-08-21 18:48:38,674 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-08-21 18:48:38,674 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-08-21 18:48:38,674 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-08-21 18:48:38,674 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-08-21 18:48:38,674 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-08-21 18:48:38,674 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-08-21 18:48:38,674 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-21 18:48:38,674 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-08-21 18:48:38,674 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-08-21 18:48:38,674 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-08-21 18:48:38,675 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 18:48:38,675 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 18:48:38,675 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 18:48:38,675 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 471 477) no Hoare annotation was computed. [2020-08-21 18:48:38,675 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 471 477) the Hoare annotation is: true [2020-08-21 18:48:38,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:48:38,675 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 18:48:38,675 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 18:48:38,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:48:38,675 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 369 376) no Hoare annotation was computed. [2020-08-21 18:48:38,676 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 369 376) 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))))) [2020-08-21 18:48:38,676 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 369 376) no Hoare annotation was computed. [2020-08-21 18:48:38,676 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 18:48:38,676 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 18:48:38,676 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) 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))) [2020-08-21 18:48:38,676 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 878 885) no Hoare annotation was computed. [2020-08-21 18:48:38,676 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2020-08-21 18:48:38,677 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 878 885) the Hoare annotation is: true [2020-08-21 18:48:38,677 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 878 885) no Hoare annotation was computed. [2020-08-21 18:48:38,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 06:48:38 BoogieIcfgContainer [2020-08-21 18:48:38,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 18:48:38,694 INFO L168 Benchmark]: Toolchain (without parser) took 29229.59 ms. Allocated memory was 141.0 MB in the beginning and 645.4 MB in the end (delta: 504.4 MB). Free memory was 103.1 MB in the beginning and 217.7 MB in the end (delta: -114.7 MB). Peak memory consumption was 520.9 MB. Max. memory is 7.1 GB. [2020-08-21 18:48:38,695 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-21 18:48:38,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.68 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 175.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-08-21 18:48:38,696 INFO L168 Benchmark]: Boogie Preprocessor took 105.23 ms. Allocated memory is still 205.0 MB. Free memory was 175.4 MB in the beginning and 171.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-21 18:48:38,697 INFO L168 Benchmark]: RCFGBuilder took 1160.31 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 171.4 MB in the beginning and 201.9 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-08-21 18:48:38,698 INFO L168 Benchmark]: TraceAbstraction took 27368.98 ms. Allocated memory was 236.5 MB in the beginning and 645.4 MB in the end (delta: 408.9 MB). Free memory was 201.9 MB in the beginning and 217.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 524.3 MB. Max. memory is 7.1 GB. [2020-08-21 18:48:38,702 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 141.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 590.68 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 175.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.23 ms. Allocated memory is still 205.0 MB. Free memory was 175.4 MB in the beginning and 171.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1160.31 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 171.4 MB in the beginning and 201.9 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27368.98 ms. Allocated memory was 236.5 MB in the beginning and 645.4 MB in the end (delta: 408.9 MB). Free memory was 201.9 MB in the beginning and 217.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 524.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: 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: 167]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 168]: 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: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 505 SDtfs, 980 SDslu, 506 SDs, 0 SdLazy, 2064 SolverSat, 656 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 117 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 462 PreInvPairs, 530 NumberOfFragments, 906 HoareAnnotationTreeSize, 462 FomulaSimplifications, 87774 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 16408 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 103070 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...