/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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:35:04,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:35:04,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:35:04,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:35:04,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:35:04,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:35:04,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:35:04,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:35:04,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:35:04,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:35:04,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:35:04,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:35:04,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:35:04,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:35:04,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:35:04,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:35:04,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:35:04,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:35:04,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:35:04,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:35:04,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:35:04,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:35:04,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:35:04,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:35:05,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:35:05,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:35:05,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:35:05,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:35:05,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:35:05,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:35:05,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:35:05,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:35:05,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:35:05,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:35:05,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:35:05,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:35:05,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:35:05,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:35:05,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:35:05,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:35:05,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:35:05,014 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 10:35:05,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:35:05,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:35:05,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:35:05,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:35:05,049 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:35:05,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:35:05,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:35:05,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:35:05,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:35:05,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:35:05,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:35:05,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:35:05,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:35:05,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:35:05,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:35:05,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:35:05,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:35:05,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:35:05,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:35:05,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:35:05,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:35:05,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:05,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:35:05,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:35:05,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:35:05,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:35:05,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:05,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:35:05,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:35:05,055 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 10:35:05,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:35:05,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:35:05,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:35:05,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:35:05,399 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:35:05,399 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-07-21 10:35:05,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b76bf070/8d1b9bfceb5341f689d3ac46f5d7a4b5/FLAG26c52fb5b [2020-07-21 10:35:06,084 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:35:06,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-07-21 10:35:06,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b76bf070/8d1b9bfceb5341f689d3ac46f5d7a4b5/FLAG26c52fb5b [2020-07-21 10:35:06,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b76bf070/8d1b9bfceb5341f689d3ac46f5d7a4b5 [2020-07-21 10:35:06,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:35:06,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:35:06,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:06,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:35:06,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:35:06,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c8121f 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 10:35:06,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:35:06,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:35:06,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:06,994 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:35:07,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:07,096 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:35:07,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07 WrapperNode [2020-07-21 10:35:07,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:07,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:35:07,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:35:07,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:35:07,111 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 10:35:07,111 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 10:35:07,131 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 10:35:07,131 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 10:35:07,161 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 10:35:07,172 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 10:35:07,177 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 10:35:07,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:35:07,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:35:07,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:35:07,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:35:07,187 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 10:35:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:35:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:35:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:35:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:35:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:35:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:35:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:35:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:35:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:35:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:35:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:35:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:35:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:35:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:35:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:35:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:35:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:35:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:35:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:35:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:35:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:35:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:35:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:35:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:35:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:35:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:35:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:35:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:35:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:35:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:35:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:35:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:35:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:35:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:35:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:35:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:35:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:35:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:35:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:35:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:35:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:35:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:35:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:35:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:35:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:35:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:35:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:35:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:35:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:35:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:35:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:35:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:35:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:35:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:35:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:35:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:35:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:35:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:35:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:35:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:35:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:35:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:35:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:35:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:35:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:35:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:35:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:35:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:35:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:35:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:35:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:35:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:35:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:35:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:35:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:35:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:35:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:35:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:35:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:35:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:35:08,427 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:35:08,432 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:35:08,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:08 BoogieIcfgContainer [2020-07-21 10:35:08,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:35:08,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:35:08,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:35:08,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:35:08,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:06" (1/3) ... [2020-07-21 10:35:08,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6368d0 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 10:35:08,454 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 10:35:08,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6368d0 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 10:35:08,455 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 10:35:08,456 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2020-07-21 10:35:08,464 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:35:08,471 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:35:08,485 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:35:08,510 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:35:08,511 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:35:08,511 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:35:08,511 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:35:08,511 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:35:08,511 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:35:08,512 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:35:08,512 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:35:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-07-21 10:35:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:35:08,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:08,543 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 10:35:08,543 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:08,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:08,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1656693651, now seen corresponding path program 1 times [2020-07-21 10:35:08,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:08,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639392450] [2020-07-21 10:35:08,556 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 10:35:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:08,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:08,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:08,848 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 10:35:08,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:08,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639392450] [2020-07-21 10:35:08,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:08,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:08,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166887819] [2020-07-21 10:35:08,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:08,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:08,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:08,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:08,876 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2020-07-21 10:35:08,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:08,924 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2020-07-21 10:35:08,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:08,925 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:08,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:08,939 INFO L225 Difference]: With dead ends: 220 [2020-07-21 10:35:08,939 INFO L226 Difference]: Without dead ends: 110 [2020-07-21 10:35:08,944 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 10:35:08,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-21 10:35:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-21 10:35:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-21 10:35:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-07-21 10:35:09,001 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-07-21 10:35:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:09,001 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-07-21 10:35:09,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-07-21 10:35:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:09,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:09,006 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 10:35:09,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:09,220 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:09,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:09,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1393271361, now seen corresponding path program 1 times [2020-07-21 10:35:09,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:09,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924139023] [2020-07-21 10:35:09,222 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 10:35:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:09,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:09,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:09,504 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 10:35:09,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:09,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924139023] [2020-07-21 10:35:09,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:09,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:09,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185765741] [2020-07-21 10:35:09,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:09,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:09,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:09,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:09,509 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2020-07-21 10:35:09,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:09,532 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2020-07-21 10:35:09,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:09,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:09,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:09,535 INFO L225 Difference]: With dead ends: 163 [2020-07-21 10:35:09,535 INFO L226 Difference]: Without dead ends: 101 [2020-07-21 10:35:09,536 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 10:35:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-21 10:35:09,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-21 10:35:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-21 10:35:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-07-21 10:35:09,555 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-07-21 10:35:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:09,555 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-07-21 10:35:09,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-07-21 10:35:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:35:09,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:09,558 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 10:35:09,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:09,776 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:09,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:09,776 INFO L82 PathProgramCache]: Analyzing trace with hash -618356964, now seen corresponding path program 1 times [2020-07-21 10:35:09,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:09,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514466566] [2020-07-21 10:35:09,777 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 10:35:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:09,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:35:09,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:09,981 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 10:35:09,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:09,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514466566] [2020-07-21 10:35:09,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:09,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:09,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370848474] [2020-07-21 10:35:09,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:09,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:09,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:09,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:09,984 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 3 states. [2020-07-21 10:35:10,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:10,011 INFO L93 Difference]: Finished difference Result 253 states and 303 transitions. [2020-07-21 10:35:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:10,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 10:35:10,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:10,015 INFO L225 Difference]: With dead ends: 253 [2020-07-21 10:35:10,015 INFO L226 Difference]: Without dead ends: 176 [2020-07-21 10:35:10,017 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 10:35:10,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-21 10:35:10,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2020-07-21 10:35:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-21 10:35:10,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 205 transitions. [2020-07-21 10:35:10,044 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 205 transitions. Word has length 51 [2020-07-21 10:35:10,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:10,044 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 205 transitions. [2020-07-21 10:35:10,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:10,045 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2020-07-21 10:35:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:35:10,047 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:10,047 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 10:35:10,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:10,261 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:10,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:10,262 INFO L82 PathProgramCache]: Analyzing trace with hash -984041994, now seen corresponding path program 1 times [2020-07-21 10:35:10,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:10,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208156774] [2020-07-21 10:35:10,264 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 10:35:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:10,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:10,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:10,523 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 10:35:10,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:10,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208156774] [2020-07-21 10:35:10,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:10,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:10,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682286098] [2020-07-21 10:35:10,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:10,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:10,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:10,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:10,530 INFO L87 Difference]: Start difference. First operand 172 states and 205 transitions. Second operand 6 states. [2020-07-21 10:35:10,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:10,734 INFO L93 Difference]: Finished difference Result 275 states and 338 transitions. [2020-07-21 10:35:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:10,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 10:35:10,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:10,735 INFO L225 Difference]: With dead ends: 275 [2020-07-21 10:35:10,736 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:10,742 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 10:35:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:10,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:10,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-07-21 10:35:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:10,747 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:10,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:10,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:10,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:10,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:11,515 INFO L268 CegarLoopResult]: For program point L256(lines 256 260) no Hoare annotation was computed. [2020-07-21 10:35:11,515 INFO L268 CegarLoopResult]: For program point L256-1(lines 256 260) no Hoare annotation was computed. [2020-07-21 10:35:11,515 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-21 10:35:11,515 INFO L268 CegarLoopResult]: For program point L250-2(lines 250 271) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 225 280) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point L272(lines 249 273) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 225 280) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 225 280) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point L313-1(lines 313 317) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 281 340) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-21 10:35:11,516 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 332) no Hoare annotation was computed. [2020-07-21 10:35:11,517 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 281 340) no Hoare annotation was computed. [2020-07-21 10:35:11,517 INFO L268 CegarLoopResult]: For program point L333(lines 306 334) no Hoare annotation was computed. [2020-07-21 10:35:11,517 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 281 340) no Hoare annotation was computed. [2020-07-21 10:35:11,517 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-07-21 10:35:11,517 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-07-21 10:35:11,518 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 560 566) the Hoare annotation is: true [2020-07-21 10:35:11,518 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 560 566) no Hoare annotation was computed. [2020-07-21 10:35:11,518 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 567 575) no Hoare annotation was computed. [2020-07-21 10:35:11,518 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 567 575) the Hoare annotation is: true [2020-07-21 10:35:11,519 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 567 575) no Hoare annotation was computed. [2020-07-21 10:35:11,519 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 652 674) 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 10:35:11,519 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 652 674) no Hoare annotation was computed. [2020-07-21 10:35:11,519 INFO L264 CegarLoopResult]: At program point L664(line 664) 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 10:35:11,520 INFO L264 CegarLoopResult]: At program point L664-1(line 664) 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 10:35:11,520 INFO L268 CegarLoopResult]: For program point L662(lines 662 669) no Hoare annotation was computed. [2020-07-21 10:35:11,520 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 669) no Hoare annotation was computed. [2020-07-21 10:35:11,520 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-07-21 10:35:11,520 INFO L264 CegarLoopResult]: At program point L659(line 659) 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 10:35:11,521 INFO L264 CegarLoopResult]: At program point L658(line 658) 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 10:35:11,521 INFO L264 CegarLoopResult]: At program point L658-1(line 658) 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 10:35:11,521 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 652 674) no Hoare annotation was computed. [2020-07-21 10:35:11,521 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 610 633) no Hoare annotation was computed. [2020-07-21 10:35:11,521 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 610 633) no Hoare annotation was computed. [2020-07-21 10:35:11,521 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 610 633) no Hoare annotation was computed. [2020-07-21 10:35:11,521 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-21 10:35:11,521 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-07-21 10:35:11,522 INFO L268 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-07-21 10:35:11,522 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-07-21 10:35:11,522 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-07-21 10:35:11,522 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-07-21 10:35:11,522 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-07-21 10:35:11,522 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-07-21 10:35:11,522 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-07-21 10:35:11,523 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-07-21 10:35:11,523 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-21 10:35:11,523 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-21 10:35:11,523 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-07-21 10:35:11,523 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-21 10:35:11,523 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2020-07-21 10:35:11,524 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 830 844) 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 10:35:11,524 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2020-07-21 10:35:11,524 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,524 INFO L268 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2020-07-21 10:35:11,524 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2020-07-21 10:35:11,524 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2020-07-21 10:35:11,524 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2020-07-21 10:35:11,525 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-07-21 10:35:11,525 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2020-07-21 10:35:11,525 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2020-07-21 10:35:11,525 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-07-21 10:35:11,525 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-07-21 10:35:11,525 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2020-07-21 10:35:11,525 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2020-07-21 10:35:11,526 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-07-21 10:35:11,526 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2020-07-21 10:35:11,526 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2020-07-21 10:35:11,526 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-07-21 10:35:11,526 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-07-21 10:35:11,526 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2020-07-21 10:35:11,526 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-21 10:35:11,527 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-07-21 10:35:11,527 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2020-07-21 10:35:11,527 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 553 559) no Hoare annotation was computed. [2020-07-21 10:35:11,527 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 553 559) the Hoare annotation is: true [2020-07-21 10:35:11,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 179 224) no Hoare annotation was computed. [2020-07-21 10:35:11,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 179 224) no Hoare annotation was computed. [2020-07-21 10:35:11,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 179 224) no Hoare annotation was computed. [2020-07-21 10:35:11,527 INFO L268 CegarLoopResult]: For program point L512(lines 512 519) no Hoare annotation was computed. [2020-07-21 10:35:11,528 INFO L268 CegarLoopResult]: For program point L506(lines 506 526) no Hoare annotation was computed. [2020-07-21 10:35:11,528 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 492 537) no Hoare annotation was computed. [2020-07-21 10:35:11,528 INFO L268 CegarLoopResult]: For program point L506-1(lines 506 526) no Hoare annotation was computed. [2020-07-21 10:35:11,528 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 492 537) no Hoare annotation was computed. [2020-07-21 10:35:11,528 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 492 537) no Hoare annotation was computed. [2020-07-21 10:35:11,528 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 642 651) 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 10:35:11,528 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 642 651) no Hoare annotation was computed. [2020-07-21 10:35:11,529 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 642 651) no Hoare annotation was computed. [2020-07-21 10:35:11,529 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2020-07-21 10:35:11,529 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2020-07-21 10:35:11,529 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-21 10:35:11,529 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-21 10:35:11,529 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2020-07-21 10:35:11,529 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2020-07-21 10:35:11,530 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-07-21 10:35:11,530 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-07-21 10:35:11,530 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,530 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-07-21 10:35:11,530 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,530 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2020-07-21 10:35:11,530 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,531 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,531 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-07-21 10:35:11,531 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,531 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-07-21 10:35:11,531 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-07-21 10:35:11,531 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-07-21 10:35:11,532 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-07-21 10:35:11,532 INFO L264 CegarLoopResult]: At program point testENTRY(lines 846 911) 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 10:35:11,532 INFO L264 CegarLoopResult]: At program point L894(line 894) 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 10:35:11,532 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-07-21 10:35:11,532 INFO L264 CegarLoopResult]: At program point L892-1(lines 886 899) 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 10:35:11,532 INFO L268 CegarLoopResult]: For program point L857(lines 856 903) no Hoare annotation was computed. [2020-07-21 10:35:11,533 INFO L268 CegarLoopResult]: For program point testFINAL(lines 846 911) no Hoare annotation was computed. [2020-07-21 10:35:11,533 INFO L268 CegarLoopResult]: For program point L886(lines 886 899) no Hoare annotation was computed. [2020-07-21 10:35:11,533 INFO L264 CegarLoopResult]: At program point L878(line 878) 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 10:35:11,533 INFO L268 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-07-21 10:35:11,533 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2020-07-21 10:35:11,533 INFO L264 CegarLoopResult]: At program point L901(lines 856 903) 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 10:35:11,534 INFO L264 CegarLoopResult]: At program point L868(line 868) 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 10:35:11,534 INFO L268 CegarLoopResult]: For program point L866(lines 866 872) no Hoare annotation was computed. [2020-07-21 10:35:11,534 INFO L268 CegarLoopResult]: For program point L866-1(lines 866 872) no Hoare annotation was computed. [2020-07-21 10:35:11,534 INFO L268 CegarLoopResult]: For program point L858(lines 858 862) no Hoare annotation was computed. [2020-07-21 10:35:11,534 INFO L264 CegarLoopResult]: At program point L904(lines 855 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:11,534 INFO L268 CegarLoopResult]: For program point testEXIT(lines 846 911) no Hoare annotation was computed. [2020-07-21 10:35:11,534 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 446 491) no Hoare annotation was computed. [2020-07-21 10:35:11,534 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 446 491) no Hoare annotation was computed. [2020-07-21 10:35:11,535 INFO L268 CegarLoopResult]: For program point L466(lines 466 473) no Hoare annotation was computed. [2020-07-21 10:35:11,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 446 491) no Hoare annotation was computed. [2020-07-21 10:35:11,535 INFO L268 CegarLoopResult]: For program point L460(lines 460 480) no Hoare annotation was computed. [2020-07-21 10:35:11,535 INFO L268 CegarLoopResult]: For program point L460-1(lines 460 480) no Hoare annotation was computed. [2020-07-21 10:35:11,535 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 163 171) no Hoare annotation was computed. [2020-07-21 10:35:11,535 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 163 171) the Hoare annotation is: true [2020-07-21 10:35:11,535 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 163 171) no Hoare annotation was computed. [2020-07-21 10:35:11,536 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-07-21 10:35:11,536 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-07-21 10:35:11,536 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-21 10:35:11,536 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-07-21 10:35:11,536 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-21 10:35:11,536 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 343 445) no Hoare annotation was computed. [2020-07-21 10:35:11,536 INFO L268 CegarLoopResult]: For program point L413(lines 391 414) no Hoare annotation was computed. [2020-07-21 10:35:11,537 INFO L268 CegarLoopResult]: For program point L372(lines 372 388) no Hoare annotation was computed. [2020-07-21 10:35:11,537 INFO L268 CegarLoopResult]: For program point L432(lines 432 439) no Hoare annotation was computed. [2020-07-21 10:35:11,537 INFO L268 CegarLoopResult]: For program point L393(lines 392 412) no Hoare annotation was computed. [2020-07-21 10:35:11,537 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 10:35:11,537 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-07-21 10:35:11,537 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 343 445) no Hoare annotation was computed. [2020-07-21 10:35:11,537 INFO L268 CegarLoopResult]: For program point L389(lines 389 430) no Hoare annotation was computed. [2020-07-21 10:35:11,538 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-07-21 10:35:11,538 INFO L268 CegarLoopResult]: For program point L408-1(line 408) no Hoare annotation was computed. [2020-07-21 10:35:11,538 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 343 445) no Hoare annotation was computed. [2020-07-21 10:35:11,538 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-07-21 10:35:11,538 INFO L268 CegarLoopResult]: For program point L431(lines 431 442) no Hoare annotation was computed. [2020-07-21 10:35:11,538 INFO L268 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-07-21 10:35:11,538 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 412) no Hoare annotation was computed. [2020-07-21 10:35:11,538 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 543 552) no Hoare annotation was computed. [2020-07-21 10:35:11,539 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 543 552) no Hoare annotation was computed. [2020-07-21 10:35:11,539 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 543 552) no Hoare annotation was computed. [2020-07-21 10:35:11,539 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,539 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:11,539 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,539 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2020-07-21 10:35:11,539 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2020-07-21 10:35:11,540 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2020-07-21 10:35:11,540 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2020-07-21 10:35:11,540 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-07-21 10:35:11,540 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-07-21 10:35:11,540 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-07-21 10:35:11,540 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2020-07-21 10:35:11,540 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-07-21 10:35:11,540 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,541 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,541 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,541 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-07-21 10:35:11,541 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-07-21 10:35:11,541 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-07-21 10:35:11,541 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,541 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,541 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:11,542 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,542 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-07-21 10:35:11,542 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-07-21 10:35:11,542 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-07-21 10:35:11,542 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2020-07-21 10:35:11,542 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2020-07-21 10:35:11,542 INFO L271 CegarLoopResult]: At program point L604(lines 579 608) the Hoare annotation is: true [2020-07-21 10:35:11,543 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-07-21 10:35:11,543 INFO L268 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2020-07-21 10:35:11,543 INFO L271 CegarLoopResult]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2020-07-21 10:35:11,543 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-21 10:35:11,543 INFO L271 CegarLoopResult]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2020-07-21 10:35:11,543 INFO L271 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: true [2020-07-21 10:35:11,543 INFO L268 CegarLoopResult]: For program point L585-1(line 585) no Hoare annotation was computed. [2020-07-21 10:35:11,543 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-07-21 10:35:11,544 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-07-21 10:35:11,544 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-07-21 10:35:11,544 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 634 640) no Hoare annotation was computed. [2020-07-21 10:35:11,544 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 634 640) the Hoare annotation is: true [2020-07-21 10:35:11,544 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,544 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:11,544 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:11,544 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:11,545 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-07-21 10:35:11,545 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-07-21 10:35:11,545 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2020-07-21 10:35:11,545 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-07-21 10:35:11,545 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-07-21 10:35:11,545 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-07-21 10:35:11,546 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-07-21 10:35:11,546 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-21 10:35:11,546 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 10:35:11,546 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-21 10:35:11,546 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-21 10:35:11,546 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-07-21 10:35:11,546 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-21 10:35:11,547 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-21 10:35:11,547 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-21 10:35:11,547 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-21 10:35:11,547 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-21 10:35:11,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:11 BoogieIcfgContainer [2020-07-21 10:35:11,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:11,566 INFO L168 Benchmark]: Toolchain (without parser) took 5146.21 ms. Allocated memory was 140.0 MB in the beginning and 245.4 MB in the end (delta: 105.4 MB). Free memory was 101.8 MB in the beginning and 111.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,567 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.52 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 169.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,569 INFO L168 Benchmark]: Boogie Preprocessor took 88.62 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,570 INFO L168 Benchmark]: RCFGBuilder took 1257.76 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 193.6 MB in the end (delta: -27.6 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,571 INFO L168 Benchmark]: TraceAbstraction took 3118.02 ms. Allocated memory was 234.9 MB in the beginning and 245.4 MB in the end (delta: 10.5 MB). Free memory was 193.6 MB in the beginning and 111.1 MB in the end (delta: 82.5 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:11,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.52 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 169.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.62 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1257.76 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 193.6 MB in the end (delta: -27.6 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3118.02 ms. Allocated memory was 234.9 MB in the beginning and 245.4 MB in the end (delta: 10.5 MB). Free memory was 193.6 MB in the beginning and 111.1 MB in the end (delta: 82.5 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 485 SDtfs, 161 SDslu, 392 SDs, 0 SdLazy, 59 SolverSat, 5 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=172occurred 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, 52 LocationsWithAnnotation, 217 PreInvPairs, 232 NumberOfFragments, 334 HoareAnnotationTreeSize, 217 FomulaSimplifications, 55 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 401 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s 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...