/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:53:53,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:53:53,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:53:53,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:53:53,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:53:53,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:53:53,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:53:53,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:53:53,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:53:53,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:53:53,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:53:53,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:53:53,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:53:53,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:53:53,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:53:53,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:53:53,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:53:53,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:53:53,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:53:53,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:53:53,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:53:53,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:53:53,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:53:53,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:53:53,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:53:53,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:53:53,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:53:53,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:53:53,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:53:53,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:53:53,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:53:53,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:53:53,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:53:53,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:53:53,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:53:53,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:53:53,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:53:53,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:53:53,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:53:53,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:53:53,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:53:53,206 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 [2020-08-18 11:53:53,250 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:53:53,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:53:53,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:53:53,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:53:53,253 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:53:53,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:53:53,253 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:53:53,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:53:53,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:53:53,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:53:53,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:53:53,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:53:53,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:53:53,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:53:53,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:53:53,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:53:53,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:53:53,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:53:53,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:53:53,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:53:53,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:53:53,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:53:53,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:53:53,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:53:53,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:53:53,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:53:53,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:53:53,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:53:53,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:53:53,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 11:53:53,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:53:53,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:53:53,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:53:53,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:53:53,617 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:53:53,618 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2020-08-18 11:53:53,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4755745c8/7f22918ac7344ddaa73c67e8a05d398a/FLAG2daf285f1 [2020-08-18 11:53:54,157 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:53:54,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2020-08-18 11:53:54,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4755745c8/7f22918ac7344ddaa73c67e8a05d398a/FLAG2daf285f1 [2020-08-18 11:53:54,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4755745c8/7f22918ac7344ddaa73c67e8a05d398a [2020-08-18 11:53:54,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:53:54,527 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:53:54,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:53:54,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:53:54,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:53:54,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:53:54" (1/1) ... [2020-08-18 11:53:54,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29df31b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:54, skipping insertion in model container [2020-08-18 11:53:54,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:53:54" (1/1) ... [2020-08-18 11:53:54,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:53:54,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:53:55,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:53:55,042 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:53:55,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:53:55,151 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:53:55,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55 WrapperNode [2020-08-18 11:53:55,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:53:55,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:53:55,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:53:55,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:53:55,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (1/1) ... [2020-08-18 11:53:55,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (1/1) ... [2020-08-18 11:53:55,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (1/1) ... [2020-08-18 11:53:55,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (1/1) ... [2020-08-18 11:53:55,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (1/1) ... [2020-08-18 11:53:55,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (1/1) ... [2020-08-18 11:53:55,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (1/1) ... [2020-08-18 11:53:55,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:53:55,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:53:55,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:53:55,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:53:55,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (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 [2020-08-18 11:53:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:53:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:53:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 11:53:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 11:53:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 11:53:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 11:53:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 11:53:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 11:53:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 11:53:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 11:53:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 11:53:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 11:53:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 11:53:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 11:53:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 11:53:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 11:53:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 11:53:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 11:53:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 11:53:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 11:53:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 11:53:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 11:53:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 11:53:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 11:53:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 11:53:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 11:53:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 11:53:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 11:53:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 11:53:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 11:53:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 11:53:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:53:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 11:53:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 11:53:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 11:53:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 11:53:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 11:53:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 11:53:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:53:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:53:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 11:53:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 11:53:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 11:53:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 11:53:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 11:53:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 11:53:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 11:53:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 11:53:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 11:53:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 11:53:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 11:53:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 11:53:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 11:53:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 11:53:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 11:53:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 11:53:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 11:53:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 11:53:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 11:53:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 11:53:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 11:53:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 11:53:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 11:53:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 11:53:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 11:53:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 11:53:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 11:53:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 11:53:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 11:53:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 11:53:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 11:53:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 11:53:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 11:53:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 11:53:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 11:53:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 11:53:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 11:53:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 11:53:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:53:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 11:53:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:53:56,428 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:53:56,429 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 11:53:56,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:53:56 BoogieIcfgContainer [2020-08-18 11:53:56,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:53:56,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:53:56,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:53:56,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:53:56,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:53:54" (1/3) ... [2020-08-18 11:53:56,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc30caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:53:56, skipping insertion in model container [2020-08-18 11:53:56,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:53:55" (2/3) ... [2020-08-18 11:53:56,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc30caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:53:56, skipping insertion in model container [2020-08-18 11:53:56,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:53:56" (3/3) ... [2020-08-18 11:53:56,442 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2020-08-18 11:53:56,453 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:53:56,461 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:53:56,476 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:53:56,500 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:53:56,500 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:53:56,500 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:53:56,501 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:53:56,502 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:53:56,502 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:53:56,502 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:53:56,502 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:53:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-08-18 11:53:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 11:53:56,533 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:53:56,534 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] [2020-08-18 11:53:56,535 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:53:56,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:53:56,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1484220246, now seen corresponding path program 1 times [2020-08-18 11:53:56,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:53:56,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740044546] [2020-08-18 11:53:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:53:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:57,215 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 11:53:57,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:53:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:57,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:53:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:53:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:57,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:53:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:57,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:53:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:57,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 11:53:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:57,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 11:53:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:53:57,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740044546] [2020-08-18 11:53:57,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:53:57,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 11:53:57,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033566552] [2020-08-18 11:53:57,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 11:53:57,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:53:57,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 11:53:57,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 11:53:57,367 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-08-18 11:53:58,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:53:58,461 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-08-18 11:53:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 11:53:58,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 11:53:58,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:53:58,477 INFO L225 Difference]: With dead ends: 247 [2020-08-18 11:53:58,478 INFO L226 Difference]: Without dead ends: 134 [2020-08-18 11:53:58,482 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 [2020-08-18 11:53:58,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-18 11:53:58,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-08-18 11:53:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-18 11:53:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-08-18 11:53:58,571 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-08-18 11:53:58,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:53:58,571 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-08-18 11:53:58,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 11:53:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-08-18 11:53:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 11:53:58,575 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:53:58,576 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] [2020-08-18 11:53:58,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:53:58,576 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:53:58,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:53:58,577 INFO L82 PathProgramCache]: Analyzing trace with hash -94502595, now seen corresponding path program 1 times [2020-08-18 11:53:58,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:53:58,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305648953] [2020-08-18 11:53:58,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:53:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:58,950 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 11:53:58,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:53:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:58,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:53:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:53:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:58,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:53:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:58,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:53:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:58,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 11:53:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:58,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 11:53:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:53:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:53:58,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305648953] [2020-08-18 11:53:58,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:53:58,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 11:53:58,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730523122] [2020-08-18 11:53:59,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 11:53:59,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:53:59,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 11:53:59,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:53:59,001 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-08-18 11:53:59,477 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:54:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:54:00,072 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-08-18 11:54:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 11:54:00,073 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 11:54:00,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:54:00,075 INFO L225 Difference]: With dead ends: 180 [2020-08-18 11:54:00,076 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 11:54:00,079 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 [2020-08-18 11:54:00,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 11:54:00,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-08-18 11:54:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-18 11:54:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-08-18 11:54:00,121 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-08-18 11:54:00,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:54:00,122 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-08-18 11:54:00,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 11:54:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-08-18 11:54:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 11:54:00,124 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:54:00,124 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] [2020-08-18 11:54:00,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:54:00,124 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:54:00,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:54:00,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1923392666, now seen corresponding path program 1 times [2020-08-18 11:54:00,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:54:00,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100339234] [2020-08-18 11:54:00,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:54:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:00,479 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 11:54:00,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:54:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:54:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:00,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:54:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:54:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:00,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:54:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:00,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:54:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:00,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:54:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:54:00,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100339234] [2020-08-18 11:54:00,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:54:00,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 11:54:00,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297769546] [2020-08-18 11:54:00,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:54:00,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:54:00,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:54:00,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:54:00,598 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 8 states. [2020-08-18 11:54:00,987 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 11:54:01,286 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:01,534 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:01,807 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:54:02,689 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-08-18 11:54:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 11:54:02,690 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 11:54:02,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:54:02,694 INFO L225 Difference]: With dead ends: 189 [2020-08-18 11:54:02,694 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 11:54:02,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:54:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 11:54:02,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-08-18 11:54:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-18 11:54:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-08-18 11:54:02,746 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-08-18 11:54:02,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:54:02,746 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-08-18 11:54:02,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:54:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-08-18 11:54:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 11:54:02,748 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:54:02,748 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] [2020-08-18 11:54:02,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:54:02,749 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:54:02,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:54:02,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1814316309, now seen corresponding path program 1 times [2020-08-18 11:54:02,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:54:02,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844877053] [2020-08-18 11:54:02,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:54:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,109 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 11:54:03,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:54:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:54:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:54:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:54:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:54:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 11:54:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 11:54:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 11:54:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 11:54:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:54:03,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844877053] [2020-08-18 11:54:03,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:54:03,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 11:54:03,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559127137] [2020-08-18 11:54:03,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:54:03,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:54:03,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:54:03,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:54:03,195 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-08-18 11:54:03,596 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 11:54:04,510 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:04,793 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:05,032 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:05,283 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 11:54:05,607 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:54:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:54:06,195 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-08-18 11:54:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:54:06,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 11:54:06,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:54:06,202 INFO L225 Difference]: With dead ends: 294 [2020-08-18 11:54:06,202 INFO L226 Difference]: Without dead ends: 223 [2020-08-18 11:54:06,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 11:54:06,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-08-18 11:54:06,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 157. [2020-08-18 11:54:06,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-08-18 11:54:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-08-18 11:54:06,261 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-08-18 11:54:06,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:54:06,262 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-08-18 11:54:06,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:54:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-08-18 11:54:06,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 11:54:06,264 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:54:06,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:54:06,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:54:06,265 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:54:06,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:54:06,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1962478831, now seen corresponding path program 1 times [2020-08-18 11:54:06,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:54:06,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33432079] [2020-08-18 11:54:06,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:54:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,551 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 11:54:06,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:54:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:54:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:54:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:54:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:54:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 11:54:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 11:54:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 11:54:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 11:54:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 11:54:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:54:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:54:06,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33432079] [2020-08-18 11:54:06,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:54:06,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:54:06,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619322874] [2020-08-18 11:54:06,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:54:06,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:54:06,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:54:06,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:54:06,643 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 9 states. [2020-08-18 11:54:07,063 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 11:54:07,823 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:08,070 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:08,291 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 11:54:08,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:54:08,447 INFO L93 Difference]: Finished difference Result 273 states and 338 transitions. [2020-08-18 11:54:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 11:54:08,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-18 11:54:08,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:54:08,453 INFO L225 Difference]: With dead ends: 273 [2020-08-18 11:54:08,453 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:54:08,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-18 11:54:08,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:54:08,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:54:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:54:08,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:54:08,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-18 11:54:08,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:54:08,456 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:54:08,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:54:08,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:54:08,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:54:08,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:54:08,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:54:08,705 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-08-18 11:54:10,303 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 11:54:10,456 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 11:54:10,646 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 11:54:10,810 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 11:54:10,960 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 11:54:11,196 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 11:54:11,562 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 11:54:11,903 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 11:54:12,222 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-18 11:54:12,542 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 11:54:12,867 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 11:54:13,047 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 11:54:13,222 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 11:54:13,386 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 11:54:13,563 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 11:54:13,728 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 11:54:13,893 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 11:54:14,074 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 11:54:14,227 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 11:54:14,559 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 11:54:14,563 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-08-18 11:54:14,564 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 634) no Hoare annotation was computed. [2020-08-18 11:54:14,564 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 599 654) no Hoare annotation was computed. [2020-08-18 11:54:14,564 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-08-18 11:54:14,564 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 645) no Hoare annotation was computed. [2020-08-18 11:54:14,564 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 599 654) no Hoare annotation was computed. [2020-08-18 11:54:14,564 INFO L268 CegarLoopResult]: For program point L646(lines 623 647) no Hoare annotation was computed. [2020-08-18 11:54:14,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 599 654) no Hoare annotation was computed. [2020-08-18 11:54:14,565 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-08-18 11:54:14,565 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-08-18 11:54:14,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 655 714) no Hoare annotation was computed. [2020-08-18 11:54:14,565 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-08-18 11:54:14,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 655 714) no Hoare annotation was computed. [2020-08-18 11:54:14,566 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 691) no Hoare annotation was computed. [2020-08-18 11:54:14,566 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-08-18 11:54:14,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 655 714) no Hoare annotation was computed. [2020-08-18 11:54:14,566 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 706) no Hoare annotation was computed. [2020-08-18 11:54:14,566 INFO L268 CegarLoopResult]: For program point L707(lines 680 708) no Hoare annotation was computed. [2020-08-18 11:54:14,566 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2020-08-18 11:54:14,566 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2020-08-18 11:54:14,566 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2020-08-18 11:54:14,567 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2020-08-18 11:54:14,567 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2020-08-18 11:54:14,567 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 11:54:14,567 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-08-18 11:54:14,567 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:54:14,567 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:54:14,567 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-08-18 11:54:14,568 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-08-18 11:54:14,568 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-18 11:54:14,568 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 11:54:14,568 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 11:54:14,568 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 11:54:14,569 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-08-18 11:54:14,569 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 482 505) no Hoare annotation was computed. [2020-08-18 11:54:14,569 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 482 505) no Hoare annotation was computed. [2020-08-18 11:54:14,569 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 482 505) no Hoare annotation was computed. [2020-08-18 11:54:14,569 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-18 11:54:14,569 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-18 11:54:14,569 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-08-18 11:54:14,569 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-08-18 11:54:14,570 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 11:54:14,571 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 11:54:14,571 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 320 328) no Hoare annotation was computed. [2020-08-18 11:54:14,571 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 320 328) the Hoare annotation is: true [2020-08-18 11:54:14,571 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 320 328) no Hoare annotation was computed. [2020-08-18 11:54:14,571 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 365 383) the Hoare annotation is: true [2020-08-18 11:54:14,571 INFO L268 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-08-18 11:54:14,571 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 365 383) no Hoare annotation was computed. [2020-08-18 11:54:14,572 INFO L271 CegarLoopResult]: At program point L372(line 372) the Hoare annotation is: true [2020-08-18 11:54:14,572 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2020-08-18 11:54:14,572 INFO L268 CegarLoopResult]: For program point L372-1(line 372) no Hoare annotation was computed. [2020-08-18 11:54:14,572 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 365 383) no Hoare annotation was computed. [2020-08-18 11:54:14,572 INFO L268 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2020-08-18 11:54:14,572 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 356) no Hoare annotation was computed. [2020-08-18 11:54:14,572 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-08-18 11:54:14,572 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 329 364) no Hoare annotation was computed. [2020-08-18 11:54:14,573 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-08-18 11:54:14,573 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-08-18 11:54:14,573 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 329 364) no Hoare annotation was computed. [2020-08-18 11:54:14,573 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-08-18 11:54:14,573 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 329 364) no Hoare annotation was computed. [2020-08-18 11:54:14,573 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2020-08-18 11:54:14,573 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2020-08-18 11:54:14,573 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 553 598) no Hoare annotation was computed. [2020-08-18 11:54:14,573 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 553 598) no Hoare annotation was computed. [2020-08-18 11:54:14,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 553 598) no Hoare annotation was computed. [2020-08-18 11:54:14,574 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 866 911) no Hoare annotation was computed. [2020-08-18 11:54:14,574 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-08-18 11:54:14,574 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-08-18 11:54:14,574 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-08-18 11:54:14,574 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 866 911) no Hoare annotation was computed. [2020-08-18 11:54:14,574 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 866 911) no Hoare annotation was computed. [2020-08-18 11:54:14,574 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 11:54:14,575 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2020-08-18 11:54:14,575 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2020-08-18 11:54:14,575 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 309 319) no Hoare annotation was computed. [2020-08-18 11:54:14,575 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 309 319) no Hoare annotation was computed. [2020-08-18 11:54:14,575 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-08-18 11:54:14,575 INFO L268 CegarLoopResult]: For program point L314-1(line 314) no Hoare annotation was computed. [2020-08-18 11:54:14,575 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 309 319) no Hoare annotation was computed. [2020-08-18 11:54:14,575 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 301 308) the Hoare annotation is: true [2020-08-18 11:54:14,575 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2020-08-18 11:54:14,576 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2020-08-18 11:54:14,576 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,576 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-08-18 11:54:14,576 INFO L268 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-08-18 11:54:14,576 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2020-08-18 11:54:14,576 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,577 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,577 INFO L268 CegarLoopResult]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2020-08-18 11:54:14,577 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,577 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,577 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-08-18 11:54:14,577 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 242 248) no Hoare annotation was computed. [2020-08-18 11:54:14,577 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 242 248) the Hoare annotation is: true [2020-08-18 11:54:14,577 INFO L264 CegarLoopResult]: At program point testENTRY(lines 386 449) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 11:54:14,578 INFO L264 CegarLoopResult]: At program point L442(lines 395 443) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:54:14,578 INFO L268 CegarLoopResult]: For program point testFINAL(lines 386 449) no Hoare annotation was computed. [2020-08-18 11:54:14,578 INFO L268 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-08-18 11:54:14,578 INFO L264 CegarLoopResult]: At program point L432-2(lines 426 437) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 11:54:14,578 INFO L268 CegarLoopResult]: For program point L397(lines 396 441) no Hoare annotation was computed. [2020-08-18 11:54:14,578 INFO L268 CegarLoopResult]: For program point L426(lines 426 437) no Hoare annotation was computed. [2020-08-18 11:54:14,578 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 11:54:14,578 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-08-18 11:54:14,579 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-08-18 11:54:14,579 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 11:54:14,579 INFO L264 CegarLoopResult]: At program point L439(lines 396 441) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 11:54:14,579 INFO L268 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-08-18 11:54:14,579 INFO L268 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-08-18 11:54:14,579 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-08-18 11:54:14,579 INFO L268 CegarLoopResult]: For program point testEXIT(lines 386 449) no Hoare annotation was computed. [2020-08-18 11:54:14,579 INFO L268 CegarLoopResult]: For program point L834-1(lines 834 854) no Hoare annotation was computed. [2020-08-18 11:54:14,580 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 820 865) no Hoare annotation was computed. [2020-08-18 11:54:14,580 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 820 865) no Hoare annotation was computed. [2020-08-18 11:54:14,580 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 820 865) no Hoare annotation was computed. [2020-08-18 11:54:14,580 INFO L268 CegarLoopResult]: For program point L840(lines 840 847) no Hoare annotation was computed. [2020-08-18 11:54:14,580 INFO L268 CegarLoopResult]: For program point L834(lines 834 854) no Hoare annotation was computed. [2020-08-18 11:54:14,580 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 275 282) no Hoare annotation was computed. [2020-08-18 11:54:14,580 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 275 282) no Hoare annotation was computed. [2020-08-18 11:54:14,580 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 275 282) no Hoare annotation was computed. [2020-08-18 11:54:14,581 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-08-18 11:54:14,581 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-08-18 11:54:14,581 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-08-18 11:54:14,581 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-18 11:54:14,581 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-18 11:54:14,581 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-18 11:54:14,581 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-18 11:54:14,581 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-18 11:54:14,581 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2020-08-18 11:54:14,582 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2020-08-18 11:54:14,582 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2020-08-18 11:54:14,582 INFO L268 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2020-08-18 11:54:14,582 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 717 819) no Hoare annotation was computed. [2020-08-18 11:54:14,582 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 786) no Hoare annotation was computed. [2020-08-18 11:54:14,582 INFO L268 CegarLoopResult]: For program point L787(lines 765 788) no Hoare annotation was computed. [2020-08-18 11:54:14,582 INFO L268 CegarLoopResult]: For program point L746(lines 746 762) no Hoare annotation was computed. [2020-08-18 11:54:14,582 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 717 819) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point L767(lines 766 786) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point L763(lines 763 804) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 717 819) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point L741(lines 741 745) no Hoare annotation was computed. [2020-08-18 11:54:14,583 INFO L268 CegarLoopResult]: For program point L805(lines 805 816) no Hoare annotation was computed. [2020-08-18 11:54:14,584 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:54:14,584 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)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.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~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~string60.offset| |old(#t~string60.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#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~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~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.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~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 11:54:14,584 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:54:14,584 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-08-18 11:54:14,584 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-08-18 11:54:14,584 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 284 300) no Hoare annotation was computed. [2020-08-18 11:54:14,585 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 284 300) no Hoare annotation was computed. [2020-08-18 11:54:14,585 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-08-18 11:54:14,585 INFO L268 CegarLoopResult]: For program point L295-1(lines 284 300) no Hoare annotation was computed. [2020-08-18 11:54:14,585 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-08-18 11:54:14,585 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-08-18 11:54:14,585 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-18 11:54:14,585 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-18 11:54:14,585 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-18 11:54:14,586 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 11:54:14,586 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-18 11:54:14,586 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:54:14,586 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 11:54:14,586 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:54:14,586 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-18 11:54:14,586 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-18 11:54:14,586 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-18 11:54:14,586 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,587 INFO L268 CegarLoopResult]: For program point L222(lines 221 240) no Hoare annotation was computed. [2020-08-18 11:54:14,587 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 218 241) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,587 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 218 241) no Hoare annotation was computed. [2020-08-18 11:54:14,587 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,587 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 218 241) no Hoare annotation was computed. [2020-08-18 11:54:14,587 INFO L264 CegarLoopResult]: At program point L229(lines 229 235) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:54:14,587 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 452 481) no Hoare annotation was computed. [2020-08-18 11:54:14,588 INFO L271 CegarLoopResult]: At program point L477(lines 452 481) the Hoare annotation is: true [2020-08-18 11:54:14,588 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 452 481) the Hoare annotation is: true [2020-08-18 11:54:14,588 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 11:54:14,588 INFO L268 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-08-18 11:54:14,588 INFO L271 CegarLoopResult]: At program point L466-1(lines 466 470) the Hoare annotation is: true [2020-08-18 11:54:14,588 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-18 11:54:14,588 INFO L271 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: true [2020-08-18 11:54:14,588 INFO L271 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: true [2020-08-18 11:54:14,588 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-08-18 11:54:14,589 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-08-18 11:54:14,589 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-18 11:54:14,589 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-18 11:54:14,589 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 506 512) no Hoare annotation was computed. [2020-08-18 11:54:14,589 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 506 512) the Hoare annotation is: true [2020-08-18 11:54:14,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:54:14,589 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 11:54:14,589 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:54:14,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:54:14,589 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-18 11:54:14,590 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-18 11:54:14,590 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:54:14,590 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-08-18 11:54:14,590 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-08-18 11:54:14,590 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-08-18 11:54:14,590 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-08-18 11:54:14,590 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:54:14,591 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2020-08-18 11:54:14,591 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-08-18 11:54:14,591 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:54:14,591 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-08-18 11:54:14,591 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-08-18 11:54:14,591 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2020-08-18 11:54:14,591 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2020-08-18 11:54:14,591 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-08-18 11:54:14,591 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-08-18 11:54:14,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:54:14 BoogieIcfgContainer [2020-08-18 11:54:14,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:54:14,608 INFO L168 Benchmark]: Toolchain (without parser) took 20080.97 ms. Allocated memory was 147.3 MB in the beginning and 535.3 MB in the end (delta: 388.0 MB). Free memory was 102.2 MB in the beginning and 305.8 MB in the end (delta: -203.6 MB). Peak memory consumption was 406.7 MB. Max. memory is 7.1 GB. [2020-08-18 11:54:14,608 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-08-18 11:54:14,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.77 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 172.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-08-18 11:54:14,610 INFO L168 Benchmark]: Boogie Preprocessor took 93.27 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 168.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-18 11:54:14,611 INFO L168 Benchmark]: RCFGBuilder took 1187.75 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 168.6 MB in the beginning and 201.6 MB in the end (delta: -33.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-08-18 11:54:14,612 INFO L168 Benchmark]: TraceAbstraction took 18170.79 ms. Allocated memory was 238.0 MB in the beginning and 535.3 MB in the end (delta: 297.3 MB). Free memory was 199.8 MB in the beginning and 305.8 MB in the end (delta: -106.0 MB). Peak memory consumption was 413.7 MB. Max. memory is 7.1 GB. [2020-08-18 11:54:14,616 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.77 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 172.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.27 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 168.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1187.75 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 168.6 MB in the beginning and 201.6 MB in the end (delta: -33.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18170.79 ms. Allocated memory was 238.0 MB in the beginning and 535.3 MB in the end (delta: 297.3 MB). Free memory was 199.8 MB in the beginning and 305.8 MB in the end (delta: -106.0 MB). Peak memory consumption was 413.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 658 SDslu, 262 SDs, 0 SdLazy, 1508 SolverSat, 404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 652 HoareAnnotationTreeSize, 235 FomulaSimplifications, 33793 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7142 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 74058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...