/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:36:23,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:36:23,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:36:23,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:36:23,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:36:23,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:36:23,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:36:23,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:36:23,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:36:23,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:36:23,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:36:23,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:36:23,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:36:23,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:36:23,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:36:23,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:36:23,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:36:23,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:36:23,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:36:23,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:36:23,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:36:23,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:36:23,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:36:23,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:36:23,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:36:23,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:36:23,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:36:23,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:36:23,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:36:23,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:36:23,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:36:23,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:36:23,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:36:23,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:36:23,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:36:23,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:36:23,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:36:23,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:36:23,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:36:23,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:36:23,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:36:23,143 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 [2020-07-21 10:36:23,167 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:36:23,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:36:23,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:36:23,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:36:23,168 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:36:23,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:36:23,169 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:36:23,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:36:23,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:36:23,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:36:23,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:36:23,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:36:23,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:36:23,170 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:36:23,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:36:23,170 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:36:23,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:36:23,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:36:23,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:36:23,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:36:23,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:36:23,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:36:23,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:36:23,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:36:23,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:36:23,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:36:23,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:23,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:36:23,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:36:23,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:36:23,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:36:23,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:36:23,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:36:23,503 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:36:23,503 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:36:23,504 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-21 10:36:23,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b92b7aea7/afcdb5f89f90488b953078166df60fe3/FLAG7ef2ce0b4 [2020-07-21 10:36:24,107 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:36:24,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-21 10:36:24,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b92b7aea7/afcdb5f89f90488b953078166df60fe3/FLAG7ef2ce0b4 [2020-07-21 10:36:24,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b92b7aea7/afcdb5f89f90488b953078166df60fe3 [2020-07-21 10:36:24,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:36:24,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:36:24,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:24,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:36:24,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:36:24,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33761369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24, skipping insertion in model container [2020-07-21 10:36:24,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:36:24,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:36:24,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:24,818 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:36:25,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:25,111 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:36:25,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25 WrapperNode [2020-07-21 10:36:25,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:25,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:36:25,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:36:25,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:36:25,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (1/1) ... [2020-07-21 10:36:25,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (1/1) ... [2020-07-21 10:36:25,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (1/1) ... [2020-07-21 10:36:25,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (1/1) ... [2020-07-21 10:36:25,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (1/1) ... [2020-07-21 10:36:25,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (1/1) ... [2020-07-21 10:36:25,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (1/1) ... [2020-07-21 10:36:25,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:36:25,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:36:25,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:36:25,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:36:25,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (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 [2020-07-21 10:36:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:36:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:36:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:36:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:36:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:36:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:36:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:36:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:36:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:36:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:36:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:36:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:36:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:36:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:36:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:36:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:36:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:36:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:36:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:36:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:36:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:36:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:36:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:36:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:36:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:36:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:36:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:36:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:36:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:36:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:36:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:36:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:36:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:36:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:36:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:36:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:36:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:36:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:36:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:36:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:36:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:36:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:36:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:36:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:36:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:36:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:36:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:36:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:36:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:36:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:36:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:36:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:36:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:36:26,530 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:36:26,531 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:36:26,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:26 BoogieIcfgContainer [2020-07-21 10:36:26,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:36:26,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:36:26,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:36:26,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:36:26,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:36:24" (1/3) ... [2020-07-21 10:36:26,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c82c846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:26, skipping insertion in model container [2020-07-21 10:36:26,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:25" (2/3) ... [2020-07-21 10:36:26,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c82c846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:26, skipping insertion in model container [2020-07-21 10:36:26,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:26" (3/3) ... [2020-07-21 10:36:26,548 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-07-21 10:36:26,559 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:36:26,568 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:36:26,583 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:36:26,609 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:36:26,609 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:36:26,609 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:36:26,609 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:36:26,610 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:36:26,610 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:36:26,610 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:36:26,610 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:36:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-21 10:36:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:36:26,649 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:26,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:26,651 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:26,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:26,657 INFO L82 PathProgramCache]: Analyzing trace with hash 805370938, now seen corresponding path program 1 times [2020-07-21 10:36:26,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:26,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831095079] [2020-07-21 10:36:26,667 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:26,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:36:26,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:26,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:26,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831095079] [2020-07-21 10:36:26,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:26,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:36:26,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100287370] [2020-07-21 10:36:26,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:36:26,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:27,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:36:27,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:27,004 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-07-21 10:36:27,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:27,052 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2020-07-21 10:36:27,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:36:27,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 10:36:27,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:27,068 INFO L225 Difference]: With dead ends: 292 [2020-07-21 10:36:27,068 INFO L226 Difference]: Without dead ends: 148 [2020-07-21 10:36:27,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:27,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-21 10:36:27,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-21 10:36:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-21 10:36:27,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2020-07-21 10:36:27,136 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2020-07-21 10:36:27,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:27,137 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2020-07-21 10:36:27,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:36:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2020-07-21 10:36:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:36:27,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:27,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:27,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:27,356 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:27,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:27,357 INFO L82 PathProgramCache]: Analyzing trace with hash -239223915, now seen corresponding path program 1 times [2020-07-21 10:36:27,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:27,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979359926] [2020-07-21 10:36:27,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:27,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:36:27,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:27,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:27,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979359926] [2020-07-21 10:36:27,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:27,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:27,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004730616] [2020-07-21 10:36:27,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:27,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:27,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:27,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:27,614 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2020-07-21 10:36:27,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:27,650 INFO L93 Difference]: Finished difference Result 268 states and 327 transitions. [2020-07-21 10:36:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:27,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:36:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:27,658 INFO L225 Difference]: With dead ends: 268 [2020-07-21 10:36:27,659 INFO L226 Difference]: Without dead ends: 148 [2020-07-21 10:36:27,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:27,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-21 10:36:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-21 10:36:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-21 10:36:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2020-07-21 10:36:27,701 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 52 [2020-07-21 10:36:27,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:27,701 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2020-07-21 10:36:27,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2020-07-21 10:36:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:36:27,709 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:27,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:27,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:27,923 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:27,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:27,924 INFO L82 PathProgramCache]: Analyzing trace with hash 828279611, now seen corresponding path program 1 times [2020-07-21 10:36:27,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:27,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620447855] [2020-07-21 10:36:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:28,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:36:28,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:28,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:28,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620447855] [2020-07-21 10:36:28,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:28,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:28,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197971507] [2020-07-21 10:36:28,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:28,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:28,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:28,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:28,136 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand 3 states. [2020-07-21 10:36:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:28,152 INFO L93 Difference]: Finished difference Result 241 states and 285 transitions. [2020-07-21 10:36:28,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:28,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-21 10:36:28,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:28,155 INFO L225 Difference]: With dead ends: 241 [2020-07-21 10:36:28,155 INFO L226 Difference]: Without dead ends: 139 [2020-07-21 10:36:28,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:28,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-21 10:36:28,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-21 10:36:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-21 10:36:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2020-07-21 10:36:28,170 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 70 [2020-07-21 10:36:28,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:28,170 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2020-07-21 10:36:28,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2020-07-21 10:36:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-21 10:36:28,176 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:28,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:28,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:28,391 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:28,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:28,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1519881096, now seen corresponding path program 1 times [2020-07-21 10:36:28,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:28,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424701619] [2020-07-21 10:36:28,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:28,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:28,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:28,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:28,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424701619] [2020-07-21 10:36:28,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:28,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:28,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142422760] [2020-07-21 10:36:28,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:28,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:28,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:28,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:28,644 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 3 states. [2020-07-21 10:36:28,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:28,691 INFO L93 Difference]: Finished difference Result 250 states and 302 transitions. [2020-07-21 10:36:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:28,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-21 10:36:28,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:28,700 INFO L225 Difference]: With dead ends: 250 [2020-07-21 10:36:28,705 INFO L226 Difference]: Without dead ends: 247 [2020-07-21 10:36:28,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:28,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-07-21 10:36:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2020-07-21 10:36:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-07-21 10:36:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 299 transitions. [2020-07-21 10:36:28,760 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 299 transitions. Word has length 74 [2020-07-21 10:36:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:28,760 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 299 transitions. [2020-07-21 10:36:28,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 299 transitions. [2020-07-21 10:36:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 10:36:28,764 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:28,765 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 10:36:28,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:28,977 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:28,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:28,978 INFO L82 PathProgramCache]: Analyzing trace with hash -559464710, now seen corresponding path program 1 times [2020-07-21 10:36:28,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:28,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687665872] [2020-07-21 10:36:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:29,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:29,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 10:36:29,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:29,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687665872] [2020-07-21 10:36:29,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:29,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 10:36:29,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000378328] [2020-07-21 10:36:29,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:36:29,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:29,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:36:29,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:29,308 INFO L87 Difference]: Start difference. First operand 247 states and 299 transitions. Second operand 7 states. [2020-07-21 10:36:30,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:30,106 INFO L93 Difference]: Finished difference Result 595 states and 773 transitions. [2020-07-21 10:36:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:36:30,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-07-21 10:36:30,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:30,113 INFO L225 Difference]: With dead ends: 595 [2020-07-21 10:36:30,114 INFO L226 Difference]: Without dead ends: 376 [2020-07-21 10:36:30,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:36:30,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-07-21 10:36:30,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 345. [2020-07-21 10:36:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-21 10:36:30,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 422 transitions. [2020-07-21 10:36:30,155 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 422 transitions. Word has length 122 [2020-07-21 10:36:30,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:30,156 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 422 transitions. [2020-07-21 10:36:30,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:36:30,156 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 422 transitions. [2020-07-21 10:36:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 10:36:30,159 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:30,159 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:30,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:30,373 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:30,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:30,374 INFO L82 PathProgramCache]: Analyzing trace with hash 695171237, now seen corresponding path program 1 times [2020-07-21 10:36:30,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:30,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015942055] [2020-07-21 10:36:30,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:30,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:36:30,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 10:36:30,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:30,904 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:30,950 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-21 10:36:31,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015942055] [2020-07-21 10:36:31,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:31,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-21 10:36:31,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558164843] [2020-07-21 10:36:31,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:36:31,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:31,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:36:31,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:31,075 INFO L87 Difference]: Start difference. First operand 345 states and 422 transitions. Second operand 5 states. [2020-07-21 10:36:31,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:31,589 INFO L93 Difference]: Finished difference Result 912 states and 1219 transitions. [2020-07-21 10:36:31,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:36:31,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-07-21 10:36:31,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:31,597 INFO L225 Difference]: With dead ends: 912 [2020-07-21 10:36:31,601 INFO L226 Difference]: Without dead ends: 595 [2020-07-21 10:36:31,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 321 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:31,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-07-21 10:36:31,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 574. [2020-07-21 10:36:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2020-07-21 10:36:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 767 transitions. [2020-07-21 10:36:31,699 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 767 transitions. Word has length 167 [2020-07-21 10:36:31,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:31,700 INFO L479 AbstractCegarLoop]: Abstraction has 574 states and 767 transitions. [2020-07-21 10:36:31,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:36:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 767 transitions. [2020-07-21 10:36:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 10:36:31,704 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:31,704 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:31,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:31,919 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:31,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:31,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1583850460, now seen corresponding path program 1 times [2020-07-21 10:36:31,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:31,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345607976] [2020-07-21 10:36:31,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:32,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:32,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 10:36:32,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:32,454 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:32,477 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-07-21 10:36:32,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345607976] [2020-07-21 10:36:32,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:32,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2020-07-21 10:36:32,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564484805] [2020-07-21 10:36:32,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:36:32,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:32,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:36:32,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:36:32,588 INFO L87 Difference]: Start difference. First operand 574 states and 767 transitions. Second operand 7 states. [2020-07-21 10:36:33,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:33,246 INFO L93 Difference]: Finished difference Result 1451 states and 2114 transitions. [2020-07-21 10:36:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:36:33,248 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-07-21 10:36:33,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:33,255 INFO L225 Difference]: With dead ends: 1451 [2020-07-21 10:36:33,256 INFO L226 Difference]: Without dead ends: 905 [2020-07-21 10:36:33,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 319 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-07-21 10:36:33,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-07-21 10:36:33,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 890. [2020-07-21 10:36:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-07-21 10:36:33,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1212 transitions. [2020-07-21 10:36:33,329 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1212 transitions. Word has length 167 [2020-07-21 10:36:33,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:33,330 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1212 transitions. [2020-07-21 10:36:33,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:36:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1212 transitions. [2020-07-21 10:36:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 10:36:33,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:33,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:33,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:33,549 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:33,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:33,550 INFO L82 PathProgramCache]: Analyzing trace with hash 2035469564, now seen corresponding path program 1 times [2020-07-21 10:36:33,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:33,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712102758] [2020-07-21 10:36:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:33,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 10:36:33,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:33,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:33,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712102758] [2020-07-21 10:36:33,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:33,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:33,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912512282] [2020-07-21 10:36:33,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:33,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:33,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:33,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:33,806 INFO L87 Difference]: Start difference. First operand 890 states and 1212 transitions. Second operand 3 states. [2020-07-21 10:36:33,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:33,946 INFO L93 Difference]: Finished difference Result 1562 states and 2196 transitions. [2020-07-21 10:36:33,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:33,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-07-21 10:36:33,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:33,952 INFO L225 Difference]: With dead ends: 1562 [2020-07-21 10:36:33,952 INFO L226 Difference]: Without dead ends: 700 [2020-07-21 10:36:33,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:33,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-07-21 10:36:33,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 634. [2020-07-21 10:36:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-07-21 10:36:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 782 transitions. [2020-07-21 10:36:34,003 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 782 transitions. Word has length 156 [2020-07-21 10:36:34,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:34,004 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 782 transitions. [2020-07-21 10:36:34,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:34,004 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 782 transitions. [2020-07-21 10:36:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-21 10:36:34,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:34,008 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:34,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:34,223 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:34,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:34,223 INFO L82 PathProgramCache]: Analyzing trace with hash -693206111, now seen corresponding path program 1 times [2020-07-21 10:36:34,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:34,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817140681] [2020-07-21 10:36:34,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:34,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 10:36:34,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-21 10:36:34,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-21 10:36:34,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817140681] [2020-07-21 10:36:34,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:34,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-21 10:36:34,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852008581] [2020-07-21 10:36:34,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:34,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:34,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:34,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:34,805 INFO L87 Difference]: Start difference. First operand 634 states and 782 transitions. Second operand 6 states. [2020-07-21 10:36:35,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:35,076 INFO L93 Difference]: Finished difference Result 1761 states and 2260 transitions. [2020-07-21 10:36:35,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:35,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-07-21 10:36:35,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:35,085 INFO L225 Difference]: With dead ends: 1761 [2020-07-21 10:36:35,085 INFO L226 Difference]: Without dead ends: 1155 [2020-07-21 10:36:35,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 325 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:36:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2020-07-21 10:36:35,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1065. [2020-07-21 10:36:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-07-21 10:36:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1310 transitions. [2020-07-21 10:36:35,161 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1310 transitions. Word has length 165 [2020-07-21 10:36:35,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:35,162 INFO L479 AbstractCegarLoop]: Abstraction has 1065 states and 1310 transitions. [2020-07-21 10:36:35,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1310 transitions. [2020-07-21 10:36:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-21 10:36:35,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:35,167 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:35,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:35,381 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:35,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:35,381 INFO L82 PathProgramCache]: Analyzing trace with hash 921324741, now seen corresponding path program 1 times [2020-07-21 10:36:35,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:35,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130316987] [2020-07-21 10:36:35,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:35,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:36:35,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 10:36:35,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:35,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130316987] [2020-07-21 10:36:35,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:35,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:36:35,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208805903] [2020-07-21 10:36:35,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:35,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:35,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:35,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:35,670 INFO L87 Difference]: Start difference. First operand 1065 states and 1310 transitions. Second operand 8 states. [2020-07-21 10:36:36,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:36,125 INFO L93 Difference]: Finished difference Result 2010 states and 2501 transitions. [2020-07-21 10:36:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:36,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-07-21 10:36:36,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:36,127 INFO L225 Difference]: With dead ends: 2010 [2020-07-21 10:36:36,128 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:36:36,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:36,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:36:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:36:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:36:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:36:36,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-07-21 10:36:36,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:36,134 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:36:36,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:36:36,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:36:36,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:36,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:36:37,980 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2020-07-21 10:36:38,277 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2020-07-21 10:36:38,432 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-07-21 10:36:38,639 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2020-07-21 10:36:38,993 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2020-07-21 10:36:39,116 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-07-21 10:36:39,364 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-07-21 10:36:39,557 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-07-21 10:36:40,195 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 58 [2020-07-21 10:36:40,768 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 59 [2020-07-21 10:36:40,930 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-07-21 10:36:41,352 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 32 [2020-07-21 10:36:41,545 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2020-07-21 10:36:41,703 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-07-21 10:36:41,887 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-07-21 10:36:42,268 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-07-21 10:36:42,403 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-07-21 10:36:42,611 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2020-07-21 10:36:42,832 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-21 10:36:43,136 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-21 10:36:43,304 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2020-07-21 10:36:43,490 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-21 10:36:43,714 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2020-07-21 10:36:44,124 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-21 10:36:44,382 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-07-21 10:36:45,098 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2020-07-21 10:36:45,383 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-07-21 10:36:45,619 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2020-07-21 10:36:46,012 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-07-21 10:36:46,195 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2020-07-21 10:36:46,239 INFO L268 CegarLoopResult]: For program point L195-2(lines 195 216) no Hoare annotation was computed. [2020-07-21 10:36:46,239 INFO L268 CegarLoopResult]: For program point L217(lines 194 218) no Hoare annotation was computed. [2020-07-21 10:36:46,239 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 170 225) no Hoare annotation was computed. [2020-07-21 10:36:46,240 INFO L268 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-07-21 10:36:46,240 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-07-21 10:36:46,240 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 170 225) no Hoare annotation was computed. [2020-07-21 10:36:46,240 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 10:36:46,240 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 170 225) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point L258-1(lines 258 262) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point L252-2(lines 252 277) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point L278(lines 251 279) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 226 285) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 226 285) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-21 10:36:46,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 226 285) no Hoare annotation was computed. [2020-07-21 10:36:46,242 INFO L268 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2020-07-21 10:36:46,242 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2020-07-21 10:36:46,242 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2020-07-21 10:36:46,242 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2020-07-21 10:36:46,242 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2020-07-21 10:36:46,242 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2020-07-21 10:36:46,243 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,243 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2020-07-21 10:36:46,243 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2020-07-21 10:36:46,243 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,243 INFO L264 CegarLoopResult]: At program point L844-1(line 844) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,243 INFO L268 CegarLoopResult]: For program point L842(lines 842 849) no Hoare annotation was computed. [2020-07-21 10:36:46,244 INFO L268 CegarLoopResult]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2020-07-21 10:36:46,244 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-21 10:36:46,244 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,244 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,244 INFO L264 CegarLoopResult]: At program point L838-1(line 838) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,245 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-21 10:36:46,245 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-21 10:36:46,245 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 787 810) no Hoare annotation was computed. [2020-07-21 10:36:46,245 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-21 10:36:46,245 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-21 10:36:46,245 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-21 10:36:46,245 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 787 810) no Hoare annotation was computed. [2020-07-21 10:36:46,245 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-21 10:36:46,246 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 787 810) no Hoare annotation was computed. [2020-07-21 10:36:46,246 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-21 10:36:46,246 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-21 10:36:46,246 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-21 10:36:46,246 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-21 10:36:46,246 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-21 10:36:46,246 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-21 10:36:46,246 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-21 10:36:46,247 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-21 10:36:46,247 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-21 10:36:46,247 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-21 10:36:46,247 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-21 10:36:46,247 INFO L271 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: true [2020-07-21 10:36:46,247 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2020-07-21 10:36:46,247 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-07-21 10:36:46,247 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2020-07-21 10:36:46,248 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2020-07-21 10:36:46,248 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-21 10:36:46,248 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2020-07-21 10:36:46,248 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-21 10:36:46,248 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-21 10:36:46,248 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-21 10:36:46,248 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-21 10:36:46,248 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-21 10:36:46,249 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-21 10:36:46,249 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-21 10:36:46,249 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-21 10:36:46,249 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-21 10:36:46,249 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2020-07-21 10:36:46,249 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2020-07-21 10:36:46,249 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 124 169) no Hoare annotation was computed. [2020-07-21 10:36:46,249 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 124 169) no Hoare annotation was computed. [2020-07-21 10:36:46,250 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 124 169) no Hoare annotation was computed. [2020-07-21 10:36:46,250 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 437 482) no Hoare annotation was computed. [2020-07-21 10:36:46,250 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 437 482) no Hoare annotation was computed. [2020-07-21 10:36:46,250 INFO L268 CegarLoopResult]: For program point L457(lines 457 464) no Hoare annotation was computed. [2020-07-21 10:36:46,250 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 437 482) no Hoare annotation was computed. [2020-07-21 10:36:46,250 INFO L268 CegarLoopResult]: For program point L451(lines 451 471) no Hoare annotation was computed. [2020-07-21 10:36:46,250 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2020-07-21 10:36:46,251 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,251 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2020-07-21 10:36:46,251 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,251 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2020-07-21 10:36:46,251 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-21 10:36:46,251 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-21 10:36:46,251 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-21 10:36:46,251 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-21 10:36:46,252 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-21 10:36:46,252 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-07-21 10:36:46,252 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-21 10:36:46,252 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-21 10:36:46,252 INFO L268 CegarLoopResult]: For program point L940(lines 940 946) no Hoare annotation was computed. [2020-07-21 10:36:46,252 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2020-07-21 10:36:46,252 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2020-07-21 10:36:46,252 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2020-07-21 10:36:46,253 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse4 .cse7) (or .cse1 .cse8 .cse6 .cse7) (or .cse0 .cse1 .cse8 .cse2 .cse3 .cse5))) [2020-07-21 10:36:46,253 INFO L268 CegarLoopResult]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2020-07-21 10:36:46,253 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2020-07-21 10:36:46,253 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (< ~waterLevel~0 3))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse1 .cse4) (or .cse6 .cse0 .cse7 .cse8 .cse3 .cse9) (or .cse6 .cse0 .cse5 .cse7 .cse8 .cse9))) [2020-07-21 10:36:46,253 INFO L264 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse6) (or .cse1 .cse2 .cse5 .cse7))) [2020-07-21 10:36:46,254 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse7)) (or .cse1 .cse7 .cse5 .cse8 .cse6) (or .cse0 .cse1 .cse3 .cse4 .cse8))) [2020-07-21 10:36:46,254 INFO L268 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-07-21 10:36:46,254 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse3 .cse4 .cse7) (or .cse1 .cse2 .cse6 .cse5 .cse8))) [2020-07-21 10:36:46,254 INFO L268 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-07-21 10:36:46,254 INFO L268 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-07-21 10:36:46,254 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2020-07-21 10:36:46,255 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2020-07-21 10:36:46,255 INFO L264 CegarLoopResult]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse3 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3) (and .cse4 .cse6 .cse5 .cse1 .cse3) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 10:36:46,255 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-07-21 10:36:46,255 INFO L264 CegarLoopResult]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:36:46,255 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-07-21 10:36:46,255 INFO L268 CegarLoopResult]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2020-07-21 10:36:46,256 INFO L264 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse6 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 10:36:46,256 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 10:36:46,256 INFO L268 CegarLoopResult]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2020-07-21 10:36:46,256 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse6 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 10:36:46,256 INFO L264 CegarLoopResult]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse6 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 10:36:46,257 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-21 10:36:46,257 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2020-07-21 10:36:46,257 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-21 10:36:46,257 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:36:46,257 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-07-21 10:36:46,257 INFO L268 CegarLoopResult]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2020-07-21 10:36:46,257 INFO L268 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-07-21 10:36:46,257 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 391 436) no Hoare annotation was computed. [2020-07-21 10:36:46,258 INFO L268 CegarLoopResult]: For program point L405(lines 405 425) no Hoare annotation was computed. [2020-07-21 10:36:46,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 391 436) no Hoare annotation was computed. [2020-07-21 10:36:46,258 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 425) no Hoare annotation was computed. [2020-07-21 10:36:46,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 391 436) no Hoare annotation was computed. [2020-07-21 10:36:46,258 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2020-07-21 10:36:46,258 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2020-07-21 10:36:46,258 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2020-07-21 10:36:46,258 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 .cse4 (not (= 0 ~pumpRunning~0))))) [2020-07-21 10:36:46,259 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-21 10:36:46,259 INFO L268 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2020-07-21 10:36:46,259 INFO L268 CegarLoopResult]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2020-07-21 10:36:46,259 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4))) [2020-07-21 10:36:46,259 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-21 10:36:46,259 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4))) [2020-07-21 10:36:46,260 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse5 (not (<= ~waterLevel~0 1)) .cse6) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse6))) [2020-07-21 10:36:46,260 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2020-07-21 10:36:46,260 INFO L268 CegarLoopResult]: For program point L739(lines 739 745) no Hoare annotation was computed. [2020-07-21 10:36:46,260 INFO L268 CegarLoopResult]: For program point L738(lines 738 748) no Hoare annotation was computed. [2020-07-21 10:36:46,260 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-21 10:36:46,260 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-21 10:36:46,260 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 904 926) no Hoare annotation was computed. [2020-07-21 10:36:46,260 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 904 926) no Hoare annotation was computed. [2020-07-21 10:36:46,261 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 904 926) no Hoare annotation was computed. [2020-07-21 10:36:46,261 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:36:46,261 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2020-07-21 10:36:46,261 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2020-07-21 10:36:46,261 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-07-21 10:36:46,261 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-07-21 10:36:46,261 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 288 390) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point L376(lines 376 387) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point L358(lines 336 359) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 288 390) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point L317(lines 317 333) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point L377(lines 377 384) no Hoare annotation was computed. [2020-07-21 10:36:46,262 INFO L268 CegarLoopResult]: For program point L338(lines 337 357) no Hoare annotation was computed. [2020-07-21 10:36:46,263 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 288 390) no Hoare annotation was computed. [2020-07-21 10:36:46,263 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-21 10:36:46,263 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-21 10:36:46,263 INFO L268 CegarLoopResult]: For program point L334(lines 334 375) no Hoare annotation was computed. [2020-07-21 10:36:46,263 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 961 970) no Hoare annotation was computed. [2020-07-21 10:36:46,263 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 961 970) no Hoare annotation was computed. [2020-07-21 10:36:46,263 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 961 970) no Hoare annotation was computed. [2020-07-21 10:36:46,263 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:46,264 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< 2 |old(~waterLevel~0)|) (< ~waterLevel~0 3)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) [2020-07-21 10:36:46,264 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:46,264 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2020-07-21 10:36:46,264 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2020-07-21 10:36:46,264 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4))) [2020-07-21 10:36:46,264 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-21 10:36:46,264 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-21 10:36:46,264 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-21 10:36:46,265 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-21 10:36:46,265 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-21 10:36:46,265 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-21 10:36:46,265 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-21 10:36:46,265 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 927 935) no Hoare annotation was computed. [2020-07-21 10:36:46,265 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 927 935) no Hoare annotation was computed. [2020-07-21 10:36:46,265 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 927 935) no Hoare annotation was computed. [2020-07-21 10:36:46,266 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (< ~waterLevel~0 3))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse7 .cse1 .cse8 .cse3) (or .cse5 .cse0 .cse7 .cse1 .cse8 .cse6))) [2020-07-21 10:36:46,266 INFO L268 CegarLoopResult]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2020-07-21 10:36:46,266 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2020-07-21 10:36:46,266 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:46,266 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:36:46,266 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:46,266 INFO L264 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 1))) (let ((.cse7 (< ~waterLevel~0 3)) (.cse5 (< 1 ~waterLevel~0)) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse12 (not (= 0 ~methaneLevelCritical~0))) (.cse14 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11)) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse10 .cse0 (and .cse4 .cse6 .cse11) .cse2 .cse3 .cse12) (or .cse0 .cse2 .cse3 .cse12 (and .cse4 (<= 1 ~waterLevel~0) .cse6 .cse7) (not (<= 1 |old(~waterLevel~0)|)) .cse9) (or .cse0 .cse5 .cse2 .cse3 .cse12 .cse8 .cse9) (or .cse0 .cse13 .cse12 .cse14 .cse9) (or .cse0 .cse1 .cse13 .cse14 .cse9) (or .cse10 .cse0 .cse1 (and .cse4 .cse6 .cse11 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse13 .cse2 .cse9)))) [2020-07-21 10:36:46,267 INFO L264 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse16 (< 1 ~waterLevel~0)) (.cse18 (< ~waterLevel~0 3)) (.cse17 (= 0 ~pumpRunning~0)) (.cse19 (= 0 ~methAndRunningLastTime~0)) (.cse14 (<= ~waterLevel~0 1)) (.cse20 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) (.cse15 (<= 1 ~pumpRunning~0))) (let ((.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (and .cse19 .cse14 .cse20 .cse15)) (.cse13 (and .cse17 .cse14 .cse20)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse17 .cse14)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and .cse19 .cse16 .cse15 .cse18)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse16 .cse17 .cse18)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse9 .cse10 .cse7) (or .cse11 .cse12 .cse0 .cse2 .cse3 .cse5 .cse13) (or .cse11 .cse12 .cse0 .cse8 .cse2 .cse3 .cse13) (or .cse0 .cse9 .cse5 (and .cse14 .cse15) .cse10 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7)))) [2020-07-21 10:36:46,267 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (let ((.cse8 (<= 1 ~systemActive~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not .cse8)) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)) .cse8 (< ~waterLevel~0 3))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse6 .cse5 .cse7 .cse4) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse5 .cse7 .cse1 .cse4) (or .cse0 .cse6 .cse7 .cse3 .cse4)))) [2020-07-21 10:36:46,267 INFO L268 CegarLoopResult]: For program point L501(lines 500 519) no Hoare annotation was computed. [2020-07-21 10:36:46,267 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse13 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) (.cse16 (<= 1 ~systemActive~0)) (.cse7 (< ~waterLevel~0 3))) (let ((.cse5 (< 1 ~waterLevel~0)) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13 .cse16 (<= 1 ~pumpRunning~0) .cse7)) (.cse12 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not .cse16)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse15 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse10 .cse0 (and .cse4 .cse6 .cse11) .cse2 .cse3 .cse12) (or .cse0 .cse2 .cse3 .cse12 (and .cse4 (<= 1 ~waterLevel~0) .cse6 .cse7) (not (<= 1 |old(~waterLevel~0)|)) .cse9) (or .cse0 .cse5 .cse2 .cse3 .cse12 .cse8 .cse9) (or .cse10 .cse0 .cse1 (and .cse4 .cse6 .cse11 .cse13) .cse2 .cse3) (or .cse0 .cse14 .cse1 .cse15 .cse9) (or .cse0 .cse14 .cse15 .cse12 .cse9) (or .cse0 .cse4 .cse1 .cse15 .cse2 .cse9)))) [2020-07-21 10:36:46,268 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2020-07-21 10:36:46,268 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2020-07-21 10:36:46,268 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-21 10:36:46,268 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2020-07-21 10:36:46,268 INFO L271 CegarLoopResult]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2020-07-21 10:36:46,268 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2020-07-21 10:36:46,268 INFO L271 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-07-21 10:36:46,268 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-21 10:36:46,268 INFO L271 CegarLoopResult]: At program point L782(lines 757 786) the Hoare annotation is: true [2020-07-21 10:36:46,268 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-21 10:36:46,269 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-21 10:36:46,269 INFO L271 CegarLoopResult]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2020-07-21 10:36:46,269 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2020-07-21 10:36:46,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2020-07-21 10:36:46,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2020-07-21 10:36:46,269 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: (let ((.cse4 (<= 1 ~systemActive~0))) (let ((.cse0 (not .cse4)) (.cse1 (and (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)) .cse4 (< ~waterLevel~0 3))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3)))) [2020-07-21 10:36:46,269 INFO L268 CegarLoopResult]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2020-07-21 10:36:46,270 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2020-07-21 10:36:46,270 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2020-07-21 10:36:46,270 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2020-07-21 10:36:46,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:46,270 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:36:46,270 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:36:46,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:46,270 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= ~waterLevel~0 1))) (or .cse2 .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5))) [2020-07-21 10:36:46,271 INFO L264 CegarLoopResult]: At program point L543(line 543) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-21 10:36:46,271 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2020-07-21 10:36:46,271 INFO L264 CegarLoopResult]: At program point L539(line 539) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-21 10:36:46,271 INFO L268 CegarLoopResult]: For program point L537(lines 537 545) no Hoare annotation was computed. [2020-07-21 10:36:46,271 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-21 10:36:46,271 INFO L268 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-07-21 10:36:46,271 INFO L268 CegarLoopResult]: For program point L533(lines 533 550) no Hoare annotation was computed. [2020-07-21 10:36:46,272 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:46,272 INFO L268 CegarLoopResult]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2020-07-21 10:36:46,272 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2020-07-21 10:36:46,272 INFO L268 CegarLoopResult]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2020-07-21 10:36:46,272 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1))) (let ((.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (and (< 1 ~waterLevel~0) (< ~waterLevel~0 3))) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse11 (and .cse9 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse9 .cse10) (or .cse7 .cse1 .cse8 (<= 1 ~waterLevel~0) .cse10 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse3 .cse10 .cse6 .cse5) (or .cse7 .cse0 .cse1 .cse11 .cse8 .cse4) (or .cse1 .cse8 .cse3 .cse10 .cse6 .cse5) (or .cse7 .cse0 .cse1 .cse11 .cse2 .cse4) (or .cse0 .cse1 .cse8 .cse3 .cse4 .cse6 .cse5) (or .cse7 .cse0 .cse1 .cse11 .cse2 .cse10)))) [2020-07-21 10:36:46,272 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 10:36:46,273 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 10:36:46,273 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 10:36:46,273 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 10:36:46,273 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-21 10:36:46,273 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2020-07-21 10:36:46,273 INFO L268 CegarLoopResult]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2020-07-21 10:36:46,273 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= ~waterLevel~0 1))) (or .cse2 .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5))) [2020-07-21 10:36:46,274 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:46,274 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:46,274 INFO L268 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-07-21 10:36:46,274 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:46,274 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-21 10:36:46,274 INFO L268 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-07-21 10:36:46,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:36:46 BoogieIcfgContainer [2020-07-21 10:36:46,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:36:46,296 INFO L168 Benchmark]: Toolchain (without parser) took 21883.59 ms. Allocated memory was 145.8 MB in the beginning and 478.7 MB in the end (delta: 332.9 MB). Free memory was 102.4 MB in the beginning and 352.3 MB in the end (delta: -249.9 MB). Peak memory consumption was 346.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:46,297 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 10:36:46,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.46 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 102.0 MB in the beginning and 173.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:46,298 INFO L168 Benchmark]: Boogie Preprocessor took 109.41 ms. Allocated memory is still 204.5 MB. Free memory was 173.7 MB in the beginning and 169.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:46,299 INFO L168 Benchmark]: RCFGBuilder took 1317.42 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 169.6 MB in the beginning and 194.6 MB in the end (delta: -25.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:46,300 INFO L168 Benchmark]: TraceAbstraction took 19753.90 ms. Allocated memory was 237.0 MB in the beginning and 478.7 MB in the end (delta: 241.7 MB). Free memory was 194.6 MB in the beginning and 352.3 MB in the end (delta: -157.7 MB). Peak memory consumption was 347.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:46,303 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.46 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 102.0 MB in the beginning and 173.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.41 ms. Allocated memory is still 204.5 MB. Free memory was 173.7 MB in the beginning and 169.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.42 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 169.6 MB in the beginning and 194.6 MB in the end (delta: -25.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19753.90 ms. Allocated memory was 237.0 MB in the beginning and 478.7 MB in the end (delta: 241.7 MB). Free memory was 194.6 MB in the beginning and 352.3 MB in the end (delta: -157.7 MB). Peak memory consumption was 347.7 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: 63]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= pumpRunning) && waterLevel < 3)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && splverifierCounter <= 0) && waterLevel < 3)) || (((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= pumpRunning) && waterLevel < 3)) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && waterLevel < 3)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= systemActive) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 250 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1925 SDtfs, 1370 SDslu, 2219 SDs, 0 SdLazy, 1272 SolverSat, 383 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1697 GetRequests, 1639 SyntacticMatches, 16 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1065occurred in iteration=9, 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, 10 MinimizatonAttempts, 223 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2331 PreInvPairs, 2474 NumberOfFragments, 3598 HoareAnnotationTreeSize, 2331 FomulaSimplifications, 4071 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 20104 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1193 NumberOfCodeBlocks, 1193 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1679 ConstructedInterpolants, 0 QuantifiedInterpolants, 470369 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8263 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 488/494 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...