/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_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:35:05,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:35:05,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:35:05,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:35:05,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:35:05,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:35:05,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:35:05,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:35:05,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:35:05,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:35:05,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:35:05,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:35:05,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:35:05,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:35:05,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:35:05,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:35:05,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:35:05,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:35:05,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:35:05,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:35:05,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:35:05,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:35:05,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:35:05,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:35:05,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:35:05,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:35:05,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:35:05,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:35:05,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:35:05,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:35:05,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:35:05,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:35:05,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:35:05,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:35:05,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:35:05,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:35:05,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:35:05,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:35:05,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:35:05,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:35:05,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:35:05,173 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 10:35:05,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:35:05,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:35:05,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:35:05,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:35:05,219 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:35:05,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:35:05,220 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:35:05,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:35:05,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:35:05,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:35:05,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:35:05,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:35:05,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:35:05,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:35:05,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:35:05,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:35:05,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:35:05,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:35:05,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:35:05,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:35:05,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:35:05,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:05,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:35:05,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:35:05,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:35:05,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:35:05,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:05,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:35:05,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:35:05,228 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 10:35:05,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:35:05,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:35:05,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:35:05,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:35:05,605 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:35:05,606 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-07-21 10:35:05,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb308a7a/897e7b73c64f48549b390d87c3d6fec9/FLAG73b4ee1f0 [2020-07-21 10:35:06,214 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:35:06,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-07-21 10:35:06,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb308a7a/897e7b73c64f48549b390d87c3d6fec9/FLAG73b4ee1f0 [2020-07-21 10:35:06,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb308a7a/897e7b73c64f48549b390d87c3d6fec9 [2020-07-21 10:35:06,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:35:06,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:35:06,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:06,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:35:06,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:35:06,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5f1bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06, skipping insertion in model container [2020-07-21 10:35:06,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:35:06,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:35:07,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:07,112 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:35:07,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:07,248 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:35:07,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07 WrapperNode [2020-07-21 10:35:07,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:07,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:35:07,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:35:07,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:35:07,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:35:07,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:35:07,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:35:07,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:35:07,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (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 10:35:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:35:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:35:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:35:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:35:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:35:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:35:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:35:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:35:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:35:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:35:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:35:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:35:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:35:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:35:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:35:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:35:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:35:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:35:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:35:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:35:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:35:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:35:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:35:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:35:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:35:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:35:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:35:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:35:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:35:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:35:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:35:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:35:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:35:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:35:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:35:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:35:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:35:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:35:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:35:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:35:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:35:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:35:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:35:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:35:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:35:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:35:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:35:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:35:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:35:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:35:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:35:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:35:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:35:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:35:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:35:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:35:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:35:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:35:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:35:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:35:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:35:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:35:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:35:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:35:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:35:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:35:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:35:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:35:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:35:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:35:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:35:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:35:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:35:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:35:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:35:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:35:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:35:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:35:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:35:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:35:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:35:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:35:08,534 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:35:08,535 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:35:08,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:08 BoogieIcfgContainer [2020-07-21 10:35:08,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:35:08,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:35:08,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:35:08,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:35:08,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:06" (1/3) ... [2020-07-21 10:35:08,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491e8c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:08, skipping insertion in model container [2020-07-21 10:35:08,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (2/3) ... [2020-07-21 10:35:08,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491e8c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:08, skipping insertion in model container [2020-07-21 10:35:08,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:08" (3/3) ... [2020-07-21 10:35:08,551 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-07-21 10:35:08,563 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:35:08,571 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:35:08,586 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:35:08,611 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:35:08,611 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:35:08,611 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:35:08,612 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:35:08,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:35:08,612 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:35:08,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:35:08,612 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:35:08,634 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-07-21 10:35:08,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:35:08,645 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:08,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:08,646 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:08,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:08,653 INFO L82 PathProgramCache]: Analyzing trace with hash -841254379, now seen corresponding path program 1 times [2020-07-21 10:35:08,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:08,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050539740] [2020-07-21 10:35:08,663 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 10:35:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:08,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:08,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:08,959 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 10:35:08,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:08,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050539740] [2020-07-21 10:35:08,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:08,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:08,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444389802] [2020-07-21 10:35:08,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:08,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:08,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:08,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:08,986 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2020-07-21 10:35:09,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:09,030 INFO L93 Difference]: Finished difference Result 250 states and 315 transitions. [2020-07-21 10:35:09,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:09,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:09,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:09,045 INFO L225 Difference]: With dead ends: 250 [2020-07-21 10:35:09,045 INFO L226 Difference]: Without dead ends: 125 [2020-07-21 10:35:09,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 10:35:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-21 10:35:09,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-21 10:35:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-21 10:35:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2020-07-21 10:35:09,106 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2020-07-21 10:35:09,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:09,107 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2020-07-21 10:35:09,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:09,107 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2020-07-21 10:35:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:09,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:09,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:09,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:09,325 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:09,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:09,326 INFO L82 PathProgramCache]: Analyzing trace with hash 63149069, now seen corresponding path program 1 times [2020-07-21 10:35:09,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:09,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4248323] [2020-07-21 10:35:09,328 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 10:35:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:09,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:09,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:09,611 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 10:35:09,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:09,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4248323] [2020-07-21 10:35:09,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:09,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:09,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817724819] [2020-07-21 10:35:09,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:09,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:09,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:09,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:09,615 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 3 states. [2020-07-21 10:35:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:09,639 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2020-07-21 10:35:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:09,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:09,642 INFO L225 Difference]: With dead ends: 193 [2020-07-21 10:35:09,642 INFO L226 Difference]: Without dead ends: 116 [2020-07-21 10:35:09,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 10:35:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-21 10:35:09,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-07-21 10:35:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-07-21 10:35:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2020-07-21 10:35:09,658 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2020-07-21 10:35:09,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:09,659 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2020-07-21 10:35:09,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:09,659 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2020-07-21 10:35:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:35:09,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:09,662 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 10:35:09,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:09,876 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:09,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:09,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1536896169, now seen corresponding path program 1 times [2020-07-21 10:35:09,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:09,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [373913888] [2020-07-21 10:35:09,877 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 10:35:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:10,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:35:10,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:10,112 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 10:35:10,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:10,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [373913888] [2020-07-21 10:35:10,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:10,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:10,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237197673] [2020-07-21 10:35:10,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:10,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:10,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:10,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:10,116 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 3 states. [2020-07-21 10:35:10,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:10,145 INFO L93 Difference]: Finished difference Result 298 states and 363 transitions. [2020-07-21 10:35:10,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:10,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 10:35:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:10,150 INFO L225 Difference]: With dead ends: 298 [2020-07-21 10:35:10,150 INFO L226 Difference]: Without dead ends: 206 [2020-07-21 10:35:10,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 10:35:10,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-21 10:35:10,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2020-07-21 10:35:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-21 10:35:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 245 transitions. [2020-07-21 10:35:10,183 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 245 transitions. Word has length 51 [2020-07-21 10:35:10,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:10,183 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 245 transitions. [2020-07-21 10:35:10,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 245 transitions. [2020-07-21 10:35:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:35:10,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:10,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:10,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:10,401 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:10,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:10,401 INFO L82 PathProgramCache]: Analyzing trace with hash -625105013, now seen corresponding path program 1 times [2020-07-21 10:35:10,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:10,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530943889] [2020-07-21 10:35:10,403 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 10:35:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:10,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:10,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:10,669 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 10:35:10,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:10,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530943889] [2020-07-21 10:35:10,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:10,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:10,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679062393] [2020-07-21 10:35:10,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:10,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:10,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:10,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:10,674 INFO L87 Difference]: Start difference. First operand 202 states and 245 transitions. Second operand 6 states. [2020-07-21 10:35:10,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:10,856 INFO L93 Difference]: Finished difference Result 315 states and 392 transitions. [2020-07-21 10:35:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:10,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 10:35:10,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:10,858 INFO L225 Difference]: With dead ends: 315 [2020-07-21 10:35:10,858 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:10,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:10,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:10,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:10,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:10,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-07-21 10:35:10,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:10,861 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:10,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:10,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:11,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:11,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:11,705 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:35:11,706 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:35:11,706 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 10:35:11,706 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 10:35:11,706 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:11,706 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 10:35:11,706 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:11,706 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 10:35:11,707 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:11,708 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 10:35:11,708 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 818 824) the Hoare annotation is: true [2020-07-21 10:35:11,708 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 818 824) no Hoare annotation was computed. [2020-07-21 10:35:11,708 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 825 833) no Hoare annotation was computed. [2020-07-21 10:35:11,708 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 825 833) the Hoare annotation is: true [2020-07-21 10:35:11,709 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 825 833) no Hoare annotation was computed. [2020-07-21 10:35:11,709 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 907 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,709 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 907 929) no Hoare annotation was computed. [2020-07-21 10:35:11,709 INFO L264 CegarLoopResult]: At program point L919(line 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,709 INFO L264 CegarLoopResult]: At program point L919-1(line 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,710 INFO L268 CegarLoopResult]: For program point L917(lines 917 924) no Hoare annotation was computed. [2020-07-21 10:35:11,710 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 924) no Hoare annotation was computed. [2020-07-21 10:35:11,710 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-07-21 10:35:11,710 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,710 INFO L264 CegarLoopResult]: At program point L913(line 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,710 INFO L264 CegarLoopResult]: At program point L913-1(line 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,711 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 907 929) no Hoare annotation was computed. [2020-07-21 10:35:11,711 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 866 889) no Hoare annotation was computed. [2020-07-21 10:35:11,711 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 866 889) no Hoare annotation was computed. [2020-07-21 10:35:11,711 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 866 889) no Hoare annotation was computed. [2020-07-21 10:35:11,711 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-07-21 10:35:11,711 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-21 10:35:11,711 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 10:35:11,711 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-21 10:35:11,712 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-21 10:35:11,712 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-21 10:35:11,712 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-21 10:35:11,712 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-21 10:35:11,712 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-21 10:35:11,712 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-21 10:35:11,712 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-21 10:35:11,712 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-21 10:35:11,713 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-21 10:35:11,713 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-21 10:35:11,713 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 754 768) no Hoare annotation was computed. [2020-07-21 10:35:11,713 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,713 INFO L268 CegarLoopResult]: For program point L758(lines 758 764) no Hoare annotation was computed. [2020-07-21 10:35:11,714 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 754 768) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-21 10:35:11,714 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 754 768) no Hoare annotation was computed. [2020-07-21 10:35:11,714 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 690 698) no Hoare annotation was computed. [2020-07-21 10:35:11,714 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 690 698) the Hoare annotation is: true [2020-07-21 10:35:11,714 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 690 698) no Hoare annotation was computed. [2020-07-21 10:35:11,714 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 735 753) the Hoare annotation is: true [2020-07-21 10:35:11,714 INFO L268 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-07-21 10:35:11,715 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-07-21 10:35:11,715 INFO L268 CegarLoopResult]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2020-07-21 10:35:11,715 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 735 753) no Hoare annotation was computed. [2020-07-21 10:35:11,715 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-07-21 10:35:11,715 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 735 753) no Hoare annotation was computed. [2020-07-21 10:35:11,715 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2020-07-21 10:35:11,715 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-07-21 10:35:11,715 INFO L268 CegarLoopResult]: For program point L729-1(line 729) no Hoare annotation was computed. [2020-07-21 10:35:11,716 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 699 734) no Hoare annotation was computed. [2020-07-21 10:35:11,716 INFO L268 CegarLoopResult]: For program point L718(lines 718 726) no Hoare annotation was computed. [2020-07-21 10:35:11,716 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2020-07-21 10:35:11,716 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 699 734) no Hoare annotation was computed. [2020-07-21 10:35:11,716 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 699 734) no Hoare annotation was computed. [2020-07-21 10:35:11,716 INFO L268 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-07-21 10:35:11,717 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 811 817) no Hoare annotation was computed. [2020-07-21 10:35:11,717 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 811 817) the Hoare annotation is: true [2020-07-21 10:35:11,717 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:11,717 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:11,717 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:11,717 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 10:35:11,717 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:11,718 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:35:11,718 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:35:11,718 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:11,718 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:11,718 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 897 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,718 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 897 906) no Hoare annotation was computed. [2020-07-21 10:35:11,719 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 897 906) no Hoare annotation was computed. [2020-07-21 10:35:11,719 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 679 689) the Hoare annotation is: true [2020-07-21 10:35:11,719 INFO L271 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: true [2020-07-21 10:35:11,719 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-07-21 10:35:11,719 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 679 689) no Hoare annotation was computed. [2020-07-21 10:35:11,719 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 679 689) no Hoare annotation was computed. [2020-07-21 10:35:11,719 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 671 678) the Hoare annotation is: true [2020-07-21 10:35:11,719 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 671 678) no Hoare annotation was computed. [2020-07-21 10:35:11,720 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 671 678) no Hoare annotation was computed. [2020-07-21 10:35:11,720 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 638 662) no Hoare annotation was computed. [2020-07-21 10:35:11,720 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 638 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,720 INFO L264 CegarLoopResult]: At program point L657(line 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,720 INFO L268 CegarLoopResult]: For program point L657-1(lines 638 662) no Hoare annotation was computed. [2020-07-21 10:35:11,721 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,721 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,721 INFO L268 CegarLoopResult]: For program point L646(lines 646 654) no Hoare annotation was computed. [2020-07-21 10:35:11,721 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,721 INFO L268 CegarLoopResult]: For program point L644-1(line 644) no Hoare annotation was computed. [2020-07-21 10:35:11,721 INFO L268 CegarLoopResult]: For program point L642(lines 642 659) no Hoare annotation was computed. [2020-07-21 10:35:11,722 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 604 610) no Hoare annotation was computed. [2020-07-21 10:35:11,722 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 604 610) the Hoare annotation is: true [2020-07-21 10:35:11,722 INFO L268 CegarLoopResult]: For program point L545(lines 545 558) no Hoare annotation was computed. [2020-07-21 10:35:11,722 INFO L264 CegarLoopResult]: At program point testENTRY(lines 505 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,723 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,723 INFO L268 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-07-21 10:35:11,723 INFO L268 CegarLoopResult]: For program point testFINAL(lines 505 570) no Hoare annotation was computed. [2020-07-21 10:35:11,723 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-07-21 10:35:11,723 INFO L264 CegarLoopResult]: At program point L560(lines 515 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,723 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,724 INFO L268 CegarLoopResult]: For program point L525(lines 525 531) no Hoare annotation was computed. [2020-07-21 10:35:11,724 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2020-07-21 10:35:11,724 INFO L268 CegarLoopResult]: For program point L517(lines 517 521) no Hoare annotation was computed. [2020-07-21 10:35:11,724 INFO L264 CegarLoopResult]: At program point L563(lines 514 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,724 INFO L264 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,725 INFO L268 CegarLoopResult]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-07-21 10:35:11,725 INFO L264 CegarLoopResult]: At program point L551-1(lines 545 558) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,725 INFO L268 CegarLoopResult]: For program point L516(lines 515 562) no Hoare annotation was computed. [2020-07-21 10:35:11,725 INFO L268 CegarLoopResult]: For program point testEXIT(lines 505 570) no Hoare annotation was computed. [2020-07-21 10:35:11,725 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:11,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:11,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:11,726 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 10:35:11,726 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:35:11,726 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:35:11,726 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:35:11,726 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-07-21 10:35:11,726 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:35:11,727 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:35:11,727 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:35:11,727 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:35:11,727 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-07-21 10:35:11,727 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-07-21 10:35:11,727 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 10:35:11,727 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:35:11,728 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:11,729 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 10:35:11,729 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 10:35:11,729 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:35:11,729 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 10:35:11,729 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 10:35:11,729 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 801 810) no Hoare annotation was computed. [2020-07-21 10:35:11,729 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 801 810) no Hoare annotation was computed. [2020-07-21 10:35:11,729 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 801 810) no Hoare annotation was computed. [2020-07-21 10:35:11,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,730 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:11,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,730 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 663 670) no Hoare annotation was computed. [2020-07-21 10:35:11,730 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 663 670) no Hoare annotation was computed. [2020-07-21 10:35:11,730 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 663 670) no Hoare annotation was computed. [2020-07-21 10:35:11,731 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-07-21 10:35:11,732 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-21 10:35:11,732 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-21 10:35:11,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,732 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2020-07-21 10:35:11,733 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-07-21 10:35:11,734 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-07-21 10:35:11,735 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-07-21 10:35:11,735 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-07-21 10:35:11,736 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-07-21 10:35:11,736 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,736 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 580 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,736 INFO L264 CegarLoopResult]: At program point L591(lines 591 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,736 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 580 603) no Hoare annotation was computed. [2020-07-21 10:35:11,736 INFO L264 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,737 INFO L268 CegarLoopResult]: For program point L584(lines 583 602) no Hoare annotation was computed. [2020-07-21 10:35:11,737 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 580 603) no Hoare annotation was computed. [2020-07-21 10:35:11,737 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 836 865) no Hoare annotation was computed. [2020-07-21 10:35:11,737 INFO L271 CegarLoopResult]: At program point L861(lines 836 865) the Hoare annotation is: true [2020-07-21 10:35:11,737 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 836 865) the Hoare annotation is: true [2020-07-21 10:35:11,737 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-21 10:35:11,737 INFO L268 CegarLoopResult]: For program point L850(lines 850 854) no Hoare annotation was computed. [2020-07-21 10:35:11,738 INFO L271 CegarLoopResult]: At program point L850-1(lines 850 854) the Hoare annotation is: true [2020-07-21 10:35:11,738 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-21 10:35:11,738 INFO L271 CegarLoopResult]: At program point L846-2(lines 846 860) the Hoare annotation is: true [2020-07-21 10:35:11,738 INFO L271 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-07-21 10:35:11,738 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-21 10:35:11,738 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-07-21 10:35:11,738 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-07-21 10:35:11,739 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-07-21 10:35:11,739 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 890 896) no Hoare annotation was computed. [2020-07-21 10:35:11,739 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 890 896) the Hoare annotation is: true [2020-07-21 10:35:11,739 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,739 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:11,740 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:11,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,740 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-07-21 10:35:11,740 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-07-21 10:35:11,740 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2020-07-21 10:35:11,740 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 931 938) no Hoare annotation was computed. [2020-07-21 10:35:11,740 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2020-07-21 10:35:11,740 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 931 938) the Hoare annotation is: true [2020-07-21 10:35:11,741 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 931 938) no Hoare annotation was computed. [2020-07-21 10:35:11,741 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 771 795) the Hoare annotation is: true [2020-07-21 10:35:11,741 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 771 795) no Hoare annotation was computed. [2020-07-21 10:35:11,741 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,741 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-07-21 10:35:11,741 INFO L271 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: true [2020-07-21 10:35:11,741 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-07-21 10:35:11,742 INFO L268 CegarLoopResult]: For program point L779(lines 779 792) no Hoare annotation was computed. [2020-07-21 10:35:11,742 INFO L268 CegarLoopResult]: For program point L779-1(lines 771 795) no Hoare annotation was computed. [2020-07-21 10:35:11,742 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-07-21 10:35:11,742 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-07-21 10:35:11,742 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 612 636) no Hoare annotation was computed. [2020-07-21 10:35:11,742 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 612 636) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,742 INFO L264 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,742 INFO L268 CegarLoopResult]: For program point L631-1(lines 612 636) no Hoare annotation was computed. [2020-07-21 10:35:11,743 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,743 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,743 INFO L268 CegarLoopResult]: For program point L620(lines 620 628) no Hoare annotation was computed. [2020-07-21 10:35:11,743 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,743 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-07-21 10:35:11,743 INFO L268 CegarLoopResult]: For program point L616(lines 616 633) no Hoare annotation was computed. [2020-07-21 10:35:11,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:11 BoogieIcfgContainer [2020-07-21 10:35:11,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:11,762 INFO L168 Benchmark]: Toolchain (without parser) took 5251.41 ms. Allocated memory was 146.8 MB in the beginning and 245.9 MB in the end (delta: 99.1 MB). Free memory was 103.2 MB in the beginning and 94.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,763 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.19 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.0 MB in the beginning and 173.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,765 INFO L168 Benchmark]: Boogie Preprocessor took 95.65 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 168.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,767 INFO L168 Benchmark]: RCFGBuilder took 1196.75 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 168.5 MB in the beginning and 193.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,768 INFO L168 Benchmark]: TraceAbstraction took 3215.58 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 193.7 MB in the beginning and 94.7 MB in the end (delta: 99.0 MB). Peak memory consumption was 109.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.19 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.0 MB in the beginning and 173.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.65 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 168.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1196.75 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 168.5 MB in the beginning and 193.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3215.58 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 193.7 MB in the beginning and 94.7 MB in the end (delta: 99.0 MB). Peak memory consumption was 109.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: 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: 514]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 552 SDtfs, 186 SDslu, 442 SDs, 0 SdLazy, 65 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 297 PreInvPairs, 312 NumberOfFragments, 364 HoareAnnotationTreeSize, 297 FomulaSimplifications, 55 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 465 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 15389 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2630 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...