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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:38:12,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:38:12,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:38:12,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:38:12,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:38:12,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:38:12,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:38:12,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:38:12,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:38:12,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:38:12,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:38:12,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:38:12,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:38:12,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:38:12,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:38:12,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:38:12,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:38:12,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:38:12,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:38:12,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:38:12,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:38:12,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:38:12,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:38:12,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:38:12,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:38:12,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:38:12,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:38:12,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:38:12,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:38:12,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:38:12,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:38:12,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:38:12,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:38:12,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:38:12,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:38:12,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:38:12,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:38:12,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:38:12,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:38:12,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:38:12,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:38:12,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:38:12,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:38:12,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:38:12,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:38:12,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:38:12,143 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:38:12,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:38:12,143 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:38:12,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:38:12,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:38:12,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:38:12,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:38:12,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:38:12,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:38:12,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:38:12,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:38:12,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:38:12,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:38:12,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:38:12,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:38:12,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:38:12,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:38:12,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:12,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:38:12,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:38:12,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:38:12,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:38:12,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:38:12,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:38:12,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:38:12,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:38:12,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:38:12,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:38:12,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:38:12,509 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:38:12,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-14 23:38:12,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08c09b207/966dda4427e340eb86011d340fc95325/FLAGf96a0a0eb [2019-10-14 23:38:13,111 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:38:13,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-14 23:38:13,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08c09b207/966dda4427e340eb86011d340fc95325/FLAGf96a0a0eb [2019-10-14 23:38:13,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08c09b207/966dda4427e340eb86011d340fc95325 [2019-10-14 23:38:13,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:38:13,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:38:13,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:13,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:38:13,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:38:13,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:13" (1/1) ... [2019-10-14 23:38:13,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cde57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:13, skipping insertion in model container [2019-10-14 23:38:13,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:13" (1/1) ... [2019-10-14 23:38:13,495 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:38:13,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:38:13,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:14,011 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:38:14,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:14,135 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:38:14,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14 WrapperNode [2019-10-14 23:38:14,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:14,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:38:14,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:38:14,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:38:14,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:38:14,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:38:14,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:38:14,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:38:14,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-14 23:38:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:38:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:38:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:38:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:38:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:38:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:38:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:38:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:38:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:38:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:38:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:38:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:38:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:38:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:38:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:38:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:38:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:38:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:38:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:38:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:38:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-14 23:38:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:38:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:38:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:38:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:38:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:38:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:38:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:38:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 23:38:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:38:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:38:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:38:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:38:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:38:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:38:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:38:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:38:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:38:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:38:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:38:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:38:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:38:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:38:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:38:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:38:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:38:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:38:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:38:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:38:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:38:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 23:38:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:38:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:38:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:38:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:38:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:38:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:38:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:38:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:38:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:38:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:38:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-14 23:38:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:38:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:38:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:38:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:38:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:38:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:38:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:38:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:38:15,449 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:38:15,449 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:38:15,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:15 BoogieIcfgContainer [2019-10-14 23:38:15,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:38:15,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:38:15,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:38:15,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:38:15,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:38:13" (1/3) ... [2019-10-14 23:38:15,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffe6ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:15, skipping insertion in model container [2019-10-14 23:38:15,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (2/3) ... [2019-10-14 23:38:15,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffe6ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:15, skipping insertion in model container [2019-10-14 23:38:15,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:15" (3/3) ... [2019-10-14 23:38:15,461 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-10-14 23:38:15,472 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:38:15,481 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:38:15,493 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:38:15,520 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:38:15,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:38:15,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:38:15,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:38:15,521 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:38:15,522 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:38:15,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:38:15,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:38:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-10-14 23:38:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:38:15,556 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:15,557 INFO L380 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] [2019-10-14 23:38:15,559 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:15,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:15,565 INFO L82 PathProgramCache]: Analyzing trace with hash -635159435, now seen corresponding path program 1 times [2019-10-14 23:38:15,573 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:15,574 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385647177] [2019-10-14 23:38:15,574 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:15,574 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:15,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,294 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:16,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385647177] [2019-10-14 23:38:16,375 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:16,378 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:38:16,379 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14481553] [2019-10-14 23:38:16,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:38:16,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:16,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:38:16,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:16,410 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 3 states. [2019-10-14 23:38:17,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:17,684 INFO L93 Difference]: Finished difference Result 299 states and 393 transitions. [2019-10-14 23:38:17,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:38:17,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:38:17,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:17,702 INFO L225 Difference]: With dead ends: 299 [2019-10-14 23:38:17,702 INFO L226 Difference]: Without dead ends: 162 [2019-10-14 23:38:17,707 INFO L600 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 [2019-10-14 23:38:17,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-10-14 23:38:17,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 128. [2019-10-14 23:38:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-14 23:38:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-10-14 23:38:17,798 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2019-10-14 23:38:17,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:17,799 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-10-14 23:38:17,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:38:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-10-14 23:38:17,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:38:17,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:17,803 INFO L380 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] [2019-10-14 23:38:17,803 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:17,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:17,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1199676654, now seen corresponding path program 1 times [2019-10-14 23:38:17,804 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:17,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396159932] [2019-10-14 23:38:17,805 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:17,805 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:17,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,189 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:18,240 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396159932] [2019-10-14 23:38:18,240 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:18,240 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:38:18,241 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631932932] [2019-10-14 23:38:18,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:38:18,243 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:18,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:38:18,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:38:18,244 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 4 states. [2019-10-14 23:38:18,806 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:19,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:19,691 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2019-10-14 23:38:19,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:38:19,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:38:19,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:19,696 INFO L225 Difference]: With dead ends: 226 [2019-10-14 23:38:19,696 INFO L226 Difference]: Without dead ends: 146 [2019-10-14 23:38:19,698 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:38:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-14 23:38:19,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 119. [2019-10-14 23:38:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-14 23:38:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-10-14 23:38:19,736 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2019-10-14 23:38:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:19,737 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-10-14 23:38:19,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:38:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-10-14 23:38:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-14 23:38:19,739 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:19,740 INFO L380 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] [2019-10-14 23:38:19,740 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:19,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1199325015, now seen corresponding path program 1 times [2019-10-14 23:38:19,741 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:19,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057750137] [2019-10-14 23:38:19,741 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:19,741 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:19,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,092 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:20,197 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057750137] [2019-10-14 23:38:20,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:20,198 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:38:20,198 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088921030] [2019-10-14 23:38:20,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:38:20,199 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:20,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:38:20,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:38:20,200 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 8 states. [2019-10-14 23:38:20,661 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:21,012 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:21,310 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:21,588 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:22,443 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:24,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:24,309 INFO L93 Difference]: Finished difference Result 409 states and 509 transitions. [2019-10-14 23:38:24,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:38:24,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-14 23:38:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:24,314 INFO L225 Difference]: With dead ends: 409 [2019-10-14 23:38:24,314 INFO L226 Difference]: Without dead ends: 314 [2019-10-14 23:38:24,315 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:38:24,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-10-14 23:38:24,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 256. [2019-10-14 23:38:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-10-14 23:38:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2019-10-14 23:38:24,403 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2019-10-14 23:38:24,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:24,403 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2019-10-14 23:38:24,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:38:24,404 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2019-10-14 23:38:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-14 23:38:24,407 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:24,407 INFO L380 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] [2019-10-14 23:38:24,407 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:24,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:24,408 INFO L82 PathProgramCache]: Analyzing trace with hash -274049321, now seen corresponding path program 1 times [2019-10-14 23:38:24,408 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:24,408 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404173245] [2019-10-14 23:38:24,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,812 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:24,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404173245] [2019-10-14 23:38:24,962 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:24,962 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:38:24,962 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563462896] [2019-10-14 23:38:24,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:38:24,963 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:24,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:38:24,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:24,964 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 12 states. [2019-10-14 23:38:25,522 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:25,882 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:26,179 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:26,463 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:27,053 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:28,036 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:28,494 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:28,892 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:29,160 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:38:29,461 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:29,900 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:30,295 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:30,672 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:32,282 INFO L93 Difference]: Finished difference Result 1027 states and 1368 transitions. [2019-10-14 23:38:32,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:38:32,283 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-14 23:38:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:32,291 INFO L225 Difference]: With dead ends: 1027 [2019-10-14 23:38:32,291 INFO L226 Difference]: Without dead ends: 795 [2019-10-14 23:38:32,294 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-14 23:38:32,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2019-10-14 23:38:32,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 694. [2019-10-14 23:38:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2019-10-14 23:38:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 862 transitions. [2019-10-14 23:38:32,463 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 862 transitions. Word has length 57 [2019-10-14 23:38:32,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:32,463 INFO L462 AbstractCegarLoop]: Abstraction has 694 states and 862 transitions. [2019-10-14 23:38:32,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:38:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 862 transitions. [2019-10-14 23:38:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-14 23:38:32,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:32,468 INFO L380 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] [2019-10-14 23:38:32,470 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:32,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:32,471 INFO L82 PathProgramCache]: Analyzing trace with hash 2094502109, now seen corresponding path program 1 times [2019-10-14 23:38:32,471 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:32,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067344890] [2019-10-14 23:38:32,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:32,472 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:32,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,834 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:32,916 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067344890] [2019-10-14 23:38:32,916 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:32,916 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:38:32,917 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930396525] [2019-10-14 23:38:32,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:38:32,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:32,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:38:32,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:38:32,918 INFO L87 Difference]: Start difference. First operand 694 states and 862 transitions. Second operand 6 states. [2019-10-14 23:38:33,316 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:34,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:34,116 INFO L93 Difference]: Finished difference Result 1115 states and 1437 transitions. [2019-10-14 23:38:34,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:38:34,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-14 23:38:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:34,122 INFO L225 Difference]: With dead ends: 1115 [2019-10-14 23:38:34,122 INFO L226 Difference]: Without dead ends: 445 [2019-10-14 23:38:34,125 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:38:34,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-14 23:38:34,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 420. [2019-10-14 23:38:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2019-10-14 23:38:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 479 transitions. [2019-10-14 23:38:34,199 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 479 transitions. Word has length 61 [2019-10-14 23:38:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:34,199 INFO L462 AbstractCegarLoop]: Abstraction has 420 states and 479 transitions. [2019-10-14 23:38:34,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:38:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 479 transitions. [2019-10-14 23:38:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:38:34,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:34,202 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:34,202 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:34,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:34,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1427524119, now seen corresponding path program 1 times [2019-10-14 23:38:34,203 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:34,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917715719] [2019-10-14 23:38:34,203 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:34,204 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:34,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,491 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:38:34,615 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917715719] [2019-10-14 23:38:34,616 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148735131] [2019-10-14 23:38:34,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:38:34,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:38:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:38:35,089 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:38:35,089 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-14 23:38:35,089 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386032276] [2019-10-14 23:38:35,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-14 23:38:35,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:35,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-14 23:38:35,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:38:35,091 INFO L87 Difference]: Start difference. First operand 420 states and 479 transitions. Second operand 15 states. [2019-10-14 23:38:35,763 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:36,522 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:37,733 INFO L93 Difference]: Finished difference Result 562 states and 654 transitions. [2019-10-14 23:38:37,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:38:37,734 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2019-10-14 23:38:37,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:37,735 INFO L225 Difference]: With dead ends: 562 [2019-10-14 23:38:37,735 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:38:37,738 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:38:37,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:38:37,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:38:37,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:38:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:38:37,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-14 23:38:37,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:37,742 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:38:37,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-14 23:38:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:38:37,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:38:37,989 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:37,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:38:38,240 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 207 [2019-10-14 23:38:40,797 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:40,959 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:41,062 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2019-10-14 23:38:41,243 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-14 23:38:41,711 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:42,221 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:42,761 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-14 23:38:42,935 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:43,113 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:43,353 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:43,528 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:44,042 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:44,542 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-14 23:38:44,715 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:45,205 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-14 23:38:45,846 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-14 23:38:46,040 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:46,713 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-14 23:38:46,938 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:47,133 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:47,396 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:47,644 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:47,810 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:48,337 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-14 23:38:48,381 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-14 23:38:48,381 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-14 23:38:48,381 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-14 23:38:48,381 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:38:48,381 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:38:48,381 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:38:48,382 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-14 23:38:48,383 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 532 538) the Hoare annotation is: true [2019-10-14 23:38:48,383 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 532 538) no Hoare annotation was computed. [2019-10-14 23:38:48,383 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 539 547) no Hoare annotation was computed. [2019-10-14 23:38:48,383 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 539 547) the Hoare annotation is: true [2019-10-14 23:38:48,383 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 539 547) no Hoare annotation was computed. [2019-10-14 23:38:48,383 INFO L439 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,383 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2019-10-14 23:38:48,383 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-10-14 23:38:48,383 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,384 INFO L443 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-10-14 23:38:48,384 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-10-14 23:38:48,384 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2019-10-14 23:38:48,384 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-14 23:38:48,384 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-14 23:38:48,384 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2019-10-14 23:38:48,384 INFO L439 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,384 INFO L439 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,384 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,385 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-10-14 23:38:48,385 INFO L443 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2019-10-14 23:38:48,385 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-14 23:38:48,385 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,385 INFO L439 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,385 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2019-10-14 23:38:48,386 INFO L439 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,386 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2019-10-14 23:38:48,386 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 874 897) no Hoare annotation was computed. [2019-10-14 23:38:48,386 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 874 897) no Hoare annotation was computed. [2019-10-14 23:38:48,386 INFO L443 ceAbstractionStarter]: For program point L892(line 892) no Hoare annotation was computed. [2019-10-14 23:38:48,386 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 874 897) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L891(line 891) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-14 23:38:48,387 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-10-14 23:38:48,388 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-14 23:38:48,388 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-10-14 23:38:48,388 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-14 23:38:48,388 INFO L443 ceAbstractionStarter]: For program point L879(line 879) no Hoare annotation was computed. [2019-10-14 23:38:48,388 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 801 815) no Hoare annotation was computed. [2019-10-14 23:38:48,388 INFO L439 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-14 23:38:48,388 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 801 815) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:48,388 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-10-14 23:38:48,389 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 801 815) no Hoare annotation was computed. [2019-10-14 23:38:48,389 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-14 23:38:48,389 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2019-10-14 23:38:48,389 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 737 745) no Hoare annotation was computed. [2019-10-14 23:38:48,389 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 782 800) the Hoare annotation is: true [2019-10-14 23:38:48,389 INFO L443 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2019-10-14 23:38:48,389 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 782 800) no Hoare annotation was computed. [2019-10-14 23:38:48,389 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-10-14 23:38:48,389 INFO L443 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 782 800) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 773) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 761) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 761) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 746 781) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 746 781) no Hoare annotation was computed. [2019-10-14 23:38:48,390 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 746 781) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 525 531) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 525 531) the Hoare annotation is: true [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:38:48,391 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:38:48,392 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-10-14 23:38:48,392 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 905 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,392 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 905 914) no Hoare annotation was computed. [2019-10-14 23:38:48,392 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 905 914) no Hoare annotation was computed. [2019-10-14 23:38:48,392 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 726 736) the Hoare annotation is: true [2019-10-14 23:38:48,392 INFO L446 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2019-10-14 23:38:48,392 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2019-10-14 23:38:48,392 INFO L443 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2019-10-14 23:38:48,392 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 726 736) no Hoare annotation was computed. [2019-10-14 23:38:48,392 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 718 725) the Hoare annotation is: true [2019-10-14 23:38:48,393 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2019-10-14 23:38:48,393 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2019-10-14 23:38:48,393 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:48,393 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 685 709) no Hoare annotation was computed. [2019-10-14 23:38:48,393 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,393 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,393 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 685 709) no Hoare annotation was computed. [2019-10-14 23:38:48,393 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2019-10-14 23:38:48,394 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 685 709) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:48,394 INFO L439 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,394 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-14 23:38:48,394 INFO L443 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2019-10-14 23:38:48,394 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 651 657) no Hoare annotation was computed. [2019-10-14 23:38:48,394 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 651 657) the Hoare annotation is: true [2019-10-14 23:38:48,394 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 552 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,394 INFO L439 ceAbstractionStarter]: At program point L607(lines 562 609) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:48,394 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:48,394 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2019-10-14 23:38:48,394 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2019-10-14 23:38:48,395 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 552 617) no Hoare annotation was computed. [2019-10-14 23:38:48,395 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-10-14 23:38:48,395 INFO L439 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:48,395 INFO L439 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:48,395 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2019-10-14 23:38:48,395 INFO L439 ceAbstractionStarter]: At program point L598-1(lines 592 605) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:48,395 INFO L443 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2019-10-14 23:38:48,395 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2019-10-14 23:38:48,395 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:48,395 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-10-14 23:38:48,395 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 552 617) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 485) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2019-10-14 23:38:48,396 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:38:48,397 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-14 23:38:48,398 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-14 23:38:48,398 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-14 23:38:48,398 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-10-14 23:38:48,398 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:38:48,398 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-14 23:38:48,398 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-14 23:38:48,398 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 515 524) no Hoare annotation was computed. [2019-10-14 23:38:48,398 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 515 524) no Hoare annotation was computed. [2019-10-14 23:38:48,399 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 515 524) no Hoare annotation was computed. [2019-10-14 23:38:48,399 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:48,399 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-10-14 23:38:48,399 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:48,399 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 710 717) no Hoare annotation was computed. [2019-10-14 23:38:48,400 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 717) no Hoare annotation was computed. [2019-10-14 23:38:48,400 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 710 717) no Hoare annotation was computed. [2019-10-14 23:38:48,400 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 492 500) the Hoare annotation is: true [2019-10-14 23:38:48,400 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2019-10-14 23:38:48,400 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-14 23:38:48,400 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:48,400 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:38:48,400 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:48,401 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,401 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2019-10-14 23:38:48,401 INFO L443 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2019-10-14 23:38:48,401 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2019-10-14 23:38:48,401 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2019-10-14 23:38:48,401 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2019-10-14 23:38:48,401 INFO L439 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2)))) [2019-10-14 23:38:48,402 INFO L439 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:48,402 INFO L439 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:48,402 INFO L443 ceAbstractionStarter]: For program point L631(lines 630 649) no Hoare annotation was computed. [2019-10-14 23:38:48,402 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:48,402 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2019-10-14 23:38:48,402 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2019-10-14 23:38:48,403 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-14 23:38:48,403 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 844 873) no Hoare annotation was computed. [2019-10-14 23:38:48,403 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 844 873) the Hoare annotation is: true [2019-10-14 23:38:48,403 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2019-10-14 23:38:48,403 INFO L446 ceAbstractionStarter]: At program point L858-1(lines 858 862) the Hoare annotation is: true [2019-10-14 23:38:48,403 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-14 23:38:48,403 INFO L446 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: true [2019-10-14 23:38:48,404 INFO L446 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2019-10-14 23:38:48,404 INFO L443 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-10-14 23:38:48,404 INFO L446 ceAbstractionStarter]: At program point L869(lines 844 873) the Hoare annotation is: true [2019-10-14 23:38:48,404 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2019-10-14 23:38:48,404 INFO L443 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2019-10-14 23:38:48,404 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2019-10-14 23:38:48,404 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 898 904) no Hoare annotation was computed. [2019-10-14 23:38:48,404 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 898 904) the Hoare annotation is: true [2019-10-14 23:38:48,404 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:48,405 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:38:48,405 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:38:48,405 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:48,405 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2019-10-14 23:38:48,405 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2019-10-14 23:38:48,405 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:48,406 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-14 23:38:48,406 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-14 23:38:48,406 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-14 23:38:48,406 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-14 23:38:48,406 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,406 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 659 683) no Hoare annotation was computed. [2019-10-14 23:38:48,406 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,407 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2019-10-14 23:38:48,407 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 659 683) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:48,407 INFO L439 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:48,407 INFO L443 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2019-10-14 23:38:48,407 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2019-10-14 23:38:48,407 INFO L439 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:48,407 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2019-10-14 23:38:48,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:48 BoogieIcfgContainer [2019-10-14 23:38:48,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:38:48,424 INFO L168 Benchmark]: Toolchain (without parser) took 34945.73 ms. Allocated memory was 136.3 MB in the beginning and 716.2 MB in the end (delta: 579.9 MB). Free memory was 99.8 MB in the beginning and 525.3 MB in the end (delta: -425.4 MB). Peak memory consumption was 573.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:48,425 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 23:38:48,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.64 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 167.9 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:48,426 INFO L168 Benchmark]: Boogie Preprocessor took 98.12 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:48,427 INFO L168 Benchmark]: RCFGBuilder took 1216.35 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 163.6 MB in the beginning and 194.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:48,428 INFO L168 Benchmark]: TraceAbstraction took 32969.92 ms. Allocated memory was 229.6 MB in the beginning and 716.2 MB in the end (delta: 486.5 MB). Free memory was 194.8 MB in the beginning and 525.3 MB in the end (delta: -330.4 MB). Peak memory consumption was 575.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:48,432 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.64 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 167.9 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.12 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1216.35 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 163.6 MB in the beginning and 194.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32969.92 ms. Allocated memory was 229.6 MB in the beginning and 716.2 MB in the end (delta: 486.5 MB). Free memory was 194.8 MB in the beginning and 525.3 MB in the end (delta: -330.4 MB). Peak memory consumption was 575.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 562]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Result: SAFE, OverallTime: 32.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, HoareTripleCheckerStatistics: 637 SDtfs, 1395 SDslu, 665 SDs, 0 SdLazy, 3598 SolverSat, 935 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=694occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 245 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 812 PreInvPairs, 863 NumberOfFragments, 1142 HoareAnnotationTreeSize, 812 FomulaSimplifications, 67992 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 18604 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 124861 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/46 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...