java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:19:18,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:19:18,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:19:18,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:19:18,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:19:18,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:19:18,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:19:18,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:19:18,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:19:18,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:19:18,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:19:18,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:19:18,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:19:18,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:19:18,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:19:18,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:19:18,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:19:18,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:19:18,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:19:18,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:19:18,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:19:18,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:19:18,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:19:18,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:19:18,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:19:18,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:19:18,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:19:18,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:19:18,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:19:18,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:19:18,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:19:18,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:19:18,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:19:18,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:19:18,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:19:18,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:19:18,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:19:18,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:19:18,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:19:18,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:19:18,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:19:18,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:19:18,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:19:18,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:19:18,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:19:18,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:19:18,647 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:19:18,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:19:18,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:19:18,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:19:18,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:19:18,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:19:18,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:19:18,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:19:18,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:19:18,648 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:19:18,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:19:18,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:19:18,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:19:18,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:19:18,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:19:18,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:19:18,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:19:18,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:19:18,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:19:18,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:19:18,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:19:18,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:19:18,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:19:18,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:19:18,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:19:18,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:19:18,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:19:18,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:19:18,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:19:18,966 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:19:18,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2019-10-15 03:19:19,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68968f09e/0da73598dee14678b7cdc0f70a09a6bc/FLAG1d3e0b8eb [2019-10-15 03:19:19,560 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:19:19,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2019-10-15 03:19:19,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68968f09e/0da73598dee14678b7cdc0f70a09a6bc/FLAG1d3e0b8eb [2019-10-15 03:19:19,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68968f09e/0da73598dee14678b7cdc0f70a09a6bc [2019-10-15 03:19:19,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:19:19,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:19:19,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:19,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:19:19,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:19:19,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:19" (1/1) ... [2019-10-15 03:19:19,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3471f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:19, skipping insertion in model container [2019-10-15 03:19:19,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:19" (1/1) ... [2019-10-15 03:19:19,929 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:19:19,981 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:19:20,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:20,571 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:19:20,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:20,730 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:19:20,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20 WrapperNode [2019-10-15 03:19:20,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:20,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:19:20,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:19:20,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:19:20,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (1/1) ... [2019-10-15 03:19:20,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (1/1) ... [2019-10-15 03:19:20,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (1/1) ... [2019-10-15 03:19:20,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (1/1) ... [2019-10-15 03:19:20,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (1/1) ... [2019-10-15 03:19:20,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (1/1) ... [2019-10-15 03:19:20,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (1/1) ... [2019-10-15 03:19:20,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:19:20,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:19:20,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:19:20,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:19:20,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:19:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:19:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:19:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:19:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:19:20,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:19:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:19:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:19:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 03:19:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:19:20,936 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:19:20,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:19:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:19:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:19:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:19:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 03:19:20,940 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:19:20,940 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:19:20,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:19:20,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:19:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:19:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:19:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:20,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:20,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:19:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:19:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:19:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:19:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:19:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:19:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:19:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:19:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:19:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:19:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:19:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:19:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:19:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:19:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:19:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 03:19:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 03:19:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:19:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:19:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:19:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:19:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:19:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:19:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:19:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:19:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 03:19:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:19:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:19:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:19:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:19:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:19:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:19:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 03:19:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:19:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:19:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:19:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:19:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 03:19:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:19:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:19:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 03:19:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:19:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:19:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:19:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:19:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:19:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:19:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:19:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:19:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:19:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:19:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:19:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:19:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:19:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:19:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:19:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:19:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:19:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:19:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:19:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:19:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:19:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:19:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:19:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:19:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:19:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:19:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:19:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:19:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:19:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:19:22,675 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:19:22,675 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:19:22,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:19:22 BoogieIcfgContainer [2019-10-15 03:19:22,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:19:22,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:19:22,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:19:22,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:19:22,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:19:19" (1/3) ... [2019-10-15 03:19:22,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baccb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:19:22, skipping insertion in model container [2019-10-15 03:19:22,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:20" (2/3) ... [2019-10-15 03:19:22,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baccb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:19:22, skipping insertion in model container [2019-10-15 03:19:22,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:19:22" (3/3) ... [2019-10-15 03:19:22,692 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2019-10-15 03:19:22,705 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:19:22,716 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:19:22,731 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:19:22,782 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:19:22,782 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:19:22,782 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:19:22,782 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:19:22,783 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:19:22,784 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:19:22,784 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:19:22,784 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:19:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2019-10-15 03:19:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 03:19:22,835 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:22,836 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:22,839 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:22,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:22,846 INFO L82 PathProgramCache]: Analyzing trace with hash -465580281, now seen corresponding path program 1 times [2019-10-15 03:19:22,856 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:22,857 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744847788] [2019-10-15 03:19:22,858 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:22,861 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:22,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:23,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744847788] [2019-10-15 03:19:23,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:23,261 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:19:23,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588936027] [2019-10-15 03:19:23,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:19:23,269 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:23,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:19:23,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:19:23,295 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2019-10-15 03:19:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:23,384 INFO L93 Difference]: Finished difference Result 261 states and 318 transitions. [2019-10-15 03:19:23,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:19:23,385 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-15 03:19:23,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:23,406 INFO L225 Difference]: With dead ends: 261 [2019-10-15 03:19:23,406 INFO L226 Difference]: Without dead ends: 131 [2019-10-15 03:19:23,417 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:19:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-15 03:19:23,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-15 03:19:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-15 03:19:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2019-10-15 03:19:23,513 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 42 [2019-10-15 03:19:23,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:23,514 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2019-10-15 03:19:23,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:19:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2019-10-15 03:19:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 03:19:23,520 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:23,521 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:23,521 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:23,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:23,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1189640128, now seen corresponding path program 1 times [2019-10-15 03:19:23,523 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:23,523 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639858257] [2019-10-15 03:19:23,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:23,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:23,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:23,719 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639858257] [2019-10-15 03:19:23,719 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:23,719 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:19:23,720 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967919513] [2019-10-15 03:19:23,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:19:23,723 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:23,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:19:23,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:23,724 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 3 states. [2019-10-15 03:19:23,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:23,762 INFO L93 Difference]: Finished difference Result 215 states and 252 transitions. [2019-10-15 03:19:23,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:19:23,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 03:19:23,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:23,767 INFO L225 Difference]: With dead ends: 215 [2019-10-15 03:19:23,767 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 03:19:23,771 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:23,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 03:19:23,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 03:19:23,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 03:19:23,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2019-10-15 03:19:23,790 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 43 [2019-10-15 03:19:23,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:23,790 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2019-10-15 03:19:23,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:19:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2019-10-15 03:19:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:19:23,792 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:23,793 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:23,793 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:23,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:23,793 INFO L82 PathProgramCache]: Analyzing trace with hash 616093729, now seen corresponding path program 1 times [2019-10-15 03:19:23,794 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:23,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99548273] [2019-10-15 03:19:23,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:23,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:23,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:23,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99548273] [2019-10-15 03:19:23,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:23,957 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:19:23,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459528807] [2019-10-15 03:19:23,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:19:23,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:23,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:19:23,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:19:23,959 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2019-10-15 03:19:24,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:24,391 INFO L93 Difference]: Finished difference Result 224 states and 263 transitions. [2019-10-15 03:19:24,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:19:24,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-15 03:19:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:24,394 INFO L225 Difference]: With dead ends: 224 [2019-10-15 03:19:24,394 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 03:19:24,395 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:19:24,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 03:19:24,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 03:19:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 03:19:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2019-10-15 03:19:24,419 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 46 [2019-10-15 03:19:24,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:24,420 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2019-10-15 03:19:24,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:19:24,420 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2019-10-15 03:19:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-15 03:19:24,429 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:24,429 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:24,430 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:24,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:24,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1918045416, now seen corresponding path program 1 times [2019-10-15 03:19:24,430 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:24,431 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980734344] [2019-10-15 03:19:24,431 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:24,431 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:24,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:19:24,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980734344] [2019-10-15 03:19:24,579 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:24,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:19:24,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237335317] [2019-10-15 03:19:24,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:19:24,581 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:24,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:19:24,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:19:24,584 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 5 states. [2019-10-15 03:19:25,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:25,088 INFO L93 Difference]: Finished difference Result 326 states and 388 transitions. [2019-10-15 03:19:25,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:19:25,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-15 03:19:25,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:25,092 INFO L225 Difference]: With dead ends: 326 [2019-10-15 03:19:25,092 INFO L226 Difference]: Without dead ends: 225 [2019-10-15 03:19:25,093 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:19:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-10-15 03:19:25,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 208. [2019-10-15 03:19:25,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-10-15 03:19:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 230 transitions. [2019-10-15 03:19:25,131 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 230 transitions. Word has length 63 [2019-10-15 03:19:25,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:25,133 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 230 transitions. [2019-10-15 03:19:25,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:19:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 230 transitions. [2019-10-15 03:19:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-15 03:19:25,136 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:25,136 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:25,136 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:25,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:25,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1631090815, now seen corresponding path program 1 times [2019-10-15 03:19:25,137 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:25,138 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636404357] [2019-10-15 03:19:25,138 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:25,138 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:25,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:25,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636404357] [2019-10-15 03:19:25,266 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:25,266 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:19:25,266 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908239722] [2019-10-15 03:19:25,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:19:25,267 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:25,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:19:25,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:19:25,268 INFO L87 Difference]: Start difference. First operand 208 states and 230 transitions. Second operand 6 states. [2019-10-15 03:19:25,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:25,499 INFO L93 Difference]: Finished difference Result 566 states and 643 transitions. [2019-10-15 03:19:25,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:19:25,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-10-15 03:19:25,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:25,512 INFO L225 Difference]: With dead ends: 566 [2019-10-15 03:19:25,513 INFO L226 Difference]: Without dead ends: 380 [2019-10-15 03:19:25,514 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:19:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2019-10-15 03:19:25,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 370. [2019-10-15 03:19:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-10-15 03:19:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 409 transitions. [2019-10-15 03:19:25,578 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 409 transitions. Word has length 73 [2019-10-15 03:19:25,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:25,579 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 409 transitions. [2019-10-15 03:19:25,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:19:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 409 transitions. [2019-10-15 03:19:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-15 03:19:25,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:25,580 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:25,581 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:25,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:25,581 INFO L82 PathProgramCache]: Analyzing trace with hash -254979520, now seen corresponding path program 1 times [2019-10-15 03:19:25,581 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:25,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836260128] [2019-10-15 03:19:25,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:25,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:25,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:25,687 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836260128] [2019-10-15 03:19:25,688 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:25,688 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:19:25,688 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123973091] [2019-10-15 03:19:25,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:19:25,689 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:25,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:19:25,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:19:25,690 INFO L87 Difference]: Start difference. First operand 370 states and 409 transitions. Second operand 7 states. [2019-10-15 03:19:26,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:26,315 INFO L93 Difference]: Finished difference Result 400 states and 454 transitions. [2019-10-15 03:19:26,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:19:26,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2019-10-15 03:19:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:26,319 INFO L225 Difference]: With dead ends: 400 [2019-10-15 03:19:26,321 INFO L226 Difference]: Without dead ends: 397 [2019-10-15 03:19:26,322 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:19:26,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-15 03:19:26,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 370. [2019-10-15 03:19:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-10-15 03:19:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 408 transitions. [2019-10-15 03:19:26,365 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 408 transitions. Word has length 76 [2019-10-15 03:19:26,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:26,366 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 408 transitions. [2019-10-15 03:19:26,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:19:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 408 transitions. [2019-10-15 03:19:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 03:19:26,369 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:26,370 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:26,370 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:26,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:26,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1637985620, now seen corresponding path program 1 times [2019-10-15 03:19:26,371 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:26,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885186175] [2019-10-15 03:19:26,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:26,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:26,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:19:26,592 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885186175] [2019-10-15 03:19:26,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689794866] [2019-10-15 03:19:26,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:26,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 03:19:26,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:19:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:26,985 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:19:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:19:27,642 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:19:27,642 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-15 03:19:27,642 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708593054] [2019-10-15 03:19:27,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:19:27,643 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:27,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:19:27,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-15 03:19:27,644 INFO L87 Difference]: Start difference. First operand 370 states and 408 transitions. Second operand 11 states. [2019-10-15 03:19:28,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:28,469 INFO L93 Difference]: Finished difference Result 857 states and 981 transitions. [2019-10-15 03:19:28,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 03:19:28,471 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2019-10-15 03:19:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:28,478 INFO L225 Difference]: With dead ends: 857 [2019-10-15 03:19:28,478 INFO L226 Difference]: Without dead ends: 509 [2019-10-15 03:19:28,481 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-15 03:19:28,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2019-10-15 03:19:28,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 501. [2019-10-15 03:19:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2019-10-15 03:19:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 557 transitions. [2019-10-15 03:19:28,549 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 557 transitions. Word has length 89 [2019-10-15 03:19:28,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:28,549 INFO L462 AbstractCegarLoop]: Abstraction has 501 states and 557 transitions. [2019-10-15 03:19:28,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:19:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 557 transitions. [2019-10-15 03:19:28,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 03:19:28,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:28,557 INFO L380 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:28,762 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:28,763 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:28,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:28,764 INFO L82 PathProgramCache]: Analyzing trace with hash 528751081, now seen corresponding path program 1 times [2019-10-15 03:19:28,764 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:28,764 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809546161] [2019-10-15 03:19:28,765 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:28,765 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:28,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:19:29,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809546161] [2019-10-15 03:19:29,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635728596] [2019-10-15 03:19:29,085 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:29,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 03:19:29,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:19:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:19:29,498 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:19:30,026 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 03:19:30,026 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:19:30,026 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-15 03:19:30,026 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002327524] [2019-10-15 03:19:30,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:19:30,027 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:30,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:19:30,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-15 03:19:30,028 INFO L87 Difference]: Start difference. First operand 501 states and 557 transitions. Second operand 11 states. [2019-10-15 03:19:30,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:30,764 INFO L93 Difference]: Finished difference Result 1195 states and 1360 transitions. [2019-10-15 03:19:30,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 03:19:30,765 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2019-10-15 03:19:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:30,766 INFO L225 Difference]: With dead ends: 1195 [2019-10-15 03:19:30,766 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:19:30,770 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-15 03:19:30,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:19:30,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:19:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:19:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:19:30,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-10-15 03:19:30,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:30,771 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:19:30,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:19:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:19:30,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:19:30,985 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:30,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:19:33,043 INFO L443 ceAbstractionStarter]: For program point L507(lines 484 508) no Hoare annotation was computed. [2019-10-15 03:19:33,043 INFO L443 ceAbstractionStarter]: For program point L491(lines 491 495) no Hoare annotation was computed. [2019-10-15 03:19:33,043 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 460 515) no Hoare annotation was computed. [2019-10-15 03:19:33,043 INFO L443 ceAbstractionStarter]: For program point L485-2(lines 485 506) no Hoare annotation was computed. [2019-10-15 03:19:33,043 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 460 515) no Hoare annotation was computed. [2019-10-15 03:19:33,044 INFO L443 ceAbstractionStarter]: For program point L542-2(lines 542 567) no Hoare annotation was computed. [2019-10-15 03:19:33,044 INFO L443 ceAbstractionStarter]: For program point L568(lines 541 569) no Hoare annotation was computed. [2019-10-15 03:19:33,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 516 575) no Hoare annotation was computed. [2019-10-15 03:19:33,044 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-10-15 03:19:33,044 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-15 03:19:33,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 516 575) no Hoare annotation was computed. [2019-10-15 03:19:33,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 516 575) no Hoare annotation was computed. [2019-10-15 03:19:33,045 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2019-10-15 03:19:33,045 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2019-10-15 03:19:33,045 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2019-10-15 03:19:33,045 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2019-10-15 03:19:33,045 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2019-10-15 03:19:33,045 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,046 INFO L439 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0))) [2019-10-15 03:19:33,046 INFO L439 ceAbstractionStarter]: At program point L858-1(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0))) [2019-10-15 03:19:33,046 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2019-10-15 03:19:33,046 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 863) no Hoare annotation was computed. [2019-10-15 03:19:33,046 INFO L443 ceAbstractionStarter]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2019-10-15 03:19:33,046 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-15 03:19:33,046 INFO L439 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,046 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,047 INFO L439 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,047 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 805 828) no Hoare annotation was computed. [2019-10-15 03:19:33,047 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 805 828) no Hoare annotation was computed. [2019-10-15 03:19:33,047 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 805 828) no Hoare annotation was computed. [2019-10-15 03:19:33,047 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-15 03:19:33,047 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-15 03:19:33,047 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-15 03:19:33,047 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-15 03:19:33,048 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:19:33,049 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:19:33,049 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-10-15 03:19:33,049 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:19:33,049 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-15 03:19:33,049 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-10-15 03:19:33,049 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:33,049 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2019-10-15 03:19:33,049 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:33,049 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-10-15 03:19:33,049 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-15 03:19:33,049 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-15 03:19:33,050 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2019-10-15 03:19:33,050 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2019-10-15 03:19:33,050 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 414 459) no Hoare annotation was computed. [2019-10-15 03:19:33,050 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 414 459) no Hoare annotation was computed. [2019-10-15 03:19:33,051 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 727 772) no Hoare annotation was computed. [2019-10-15 03:19:33,051 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 727 772) no Hoare annotation was computed. [2019-10-15 03:19:33,051 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,051 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2019-10-15 03:19:33,051 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2019-10-15 03:19:33,051 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2019-10-15 03:19:33,051 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-15 03:19:33,051 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-15 03:19:33,051 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-15 03:19:33,051 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-10-15 03:19:33,051 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-15 03:19:33,051 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2019-10-15 03:19:33,052 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2019-10-15 03:19:33,052 INFO L439 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:33,052 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2019-10-15 03:19:33,052 INFO L439 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:19:33,052 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2019-10-15 03:19:33,052 INFO L439 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 03:19:33,052 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-15 03:19:33,052 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-10-15 03:19:33,052 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:19:33,053 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-10-15 03:19:33,053 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2019-10-15 03:19:33,053 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-10-15 03:19:33,053 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-10-15 03:19:33,053 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 303 368) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,053 INFO L439 ceAbstractionStarter]: At program point L351-2(lines 343 356) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,053 INFO L443 ceAbstractionStarter]: For program point L314(lines 313 360) no Hoare annotation was computed. [2019-10-15 03:19:33,053 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,053 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-15 03:19:33,053 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2019-10-15 03:19:33,053 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,054 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 339) no Hoare annotation was computed. [2019-10-15 03:19:33,054 INFO L443 ceAbstractionStarter]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2019-10-15 03:19:33,054 INFO L439 ceAbstractionStarter]: At program point L358(lines 313 360) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:19:33,054 INFO L439 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:19:33,054 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 329) no Hoare annotation was computed. [2019-10-15 03:19:33,054 INFO L443 ceAbstractionStarter]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2019-10-15 03:19:33,054 INFO L439 ceAbstractionStarter]: At program point L361(lines 312 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,054 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2019-10-15 03:19:33,054 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 681 726) no Hoare annotation was computed. [2019-10-15 03:19:33,054 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 681 726) no Hoare annotation was computed. [2019-10-15 03:19:33,055 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:19:33,055 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2019-10-15 03:19:33,055 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2019-10-15 03:19:33,055 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2019-10-15 03:19:33,055 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 918 940) no Hoare annotation was computed. [2019-10-15 03:19:33,055 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 918 940) no Hoare annotation was computed. [2019-10-15 03:19:33,055 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 374 383) no Hoare annotation was computed. [2019-10-15 03:19:33,055 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 374 383) no Hoare annotation was computed. [2019-10-15 03:19:33,055 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 623) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 578 680) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L628(lines 627 647) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 665) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 578 680) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L643-1(line 643) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 606) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 578 680) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L627-2(lines 627 647) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L443 ceAbstractionStarter]: For program point L648(lines 626 649) no Hoare annotation was computed. [2019-10-15 03:19:33,056 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 03:19:33,057 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:33,057 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:33,057 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-15 03:19:33,057 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2019-10-15 03:19:33,057 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:33,057 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-15 03:19:33,057 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2019-10-15 03:19:33,057 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-15 03:19:33,057 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-15 03:19:33,057 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-15 03:19:33,057 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-15 03:19:33,057 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-15 03:19:33,058 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 941 949) no Hoare annotation was computed. [2019-10-15 03:19:33,058 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 941 949) no Hoare annotation was computed. [2019-10-15 03:19:33,058 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 897 908) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:33,058 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2019-10-15 03:19:33,058 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:33,058 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:19:33,058 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2019-10-15 03:19:33,058 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2019-10-15 03:19:33,058 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (or (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:19:33,058 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-10-15 03:19:33,058 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-15 03:19:33,058 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-10-15 03:19:33,059 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-10-15 03:19:33,059 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-15 03:19:33,059 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:33,059 INFO L446 ceAbstractionStarter]: At program point L800(lines 775 804) the Hoare annotation is: true [2019-10-15 03:19:33,059 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2019-10-15 03:19:33,059 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2019-10-15 03:19:33,059 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-15 03:19:33,059 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2019-10-15 03:19:33,059 INFO L446 ceAbstractionStarter]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2019-10-15 03:19:33,060 INFO L446 ceAbstractionStarter]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2019-10-15 03:19:33,060 INFO L446 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2019-10-15 03:19:33,060 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-15 03:19:33,060 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 873 884) the Hoare annotation is: true [2019-10-15 03:19:33,060 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2019-10-15 03:19:33,060 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2019-10-15 03:19:33,060 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2019-10-15 03:19:33,060 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:33,060 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-15 03:19:33,060 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:19:33,060 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:19:33,060 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2019-10-15 03:19:33,060 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 291 298) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:19:33,061 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:33,061 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:33,061 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-10-15 03:19:33,061 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:33,061 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-10-15 03:19:33,061 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-10-15 03:19:33,061 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-10-15 03:19:33,061 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:19:33,061 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-10-15 03:19:33,062 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:33,062 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2019-10-15 03:19:33,062 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: true [2019-10-15 03:19:33,062 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2019-10-15 03:19:33,062 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2019-10-15 03:19:33,062 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2019-10-15 03:19:33,063 INFO L439 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 03:19:33,063 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2019-10-15 03:19:33,063 INFO L443 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2019-10-15 03:19:33,063 INFO L439 ceAbstractionStarter]: At program point L985(line 985) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:19:33,063 INFO L443 ceAbstractionStarter]: For program point L985-1(line 985) no Hoare annotation was computed. [2019-10-15 03:19:33,063 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2019-10-15 03:19:33,063 INFO L443 ceAbstractionStarter]: For program point L983(lines 983 996) no Hoare annotation was computed. [2019-10-15 03:19:33,064 INFO L443 ceAbstractionStarter]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2019-10-15 03:19:33,064 INFO L446 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: true [2019-10-15 03:19:33,064 INFO L443 ceAbstractionStarter]: For program point L981-1(line 981) no Hoare annotation was computed. [2019-10-15 03:19:33,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:19:33 BoogieIcfgContainer [2019-10-15 03:19:33,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:19:33,082 INFO L168 Benchmark]: Toolchain (without parser) took 13168.50 ms. Allocated memory was 138.4 MB in the beginning and 375.4 MB in the end (delta: 237.0 MB). Free memory was 101.9 MB in the beginning and 251.4 MB in the end (delta: -149.5 MB). Peak memory consumption was 251.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:33,083 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 03:19:33,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.69 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 167.5 MB in the end (delta: -65.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:33,085 INFO L168 Benchmark]: Boogie Preprocessor took 130.99 ms. Allocated memory is still 203.4 MB. Free memory was 167.5 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:33,086 INFO L168 Benchmark]: RCFGBuilder took 1809.98 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 141.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:33,087 INFO L168 Benchmark]: TraceAbstraction took 10399.11 ms. Allocated memory was 235.9 MB in the beginning and 375.4 MB in the end (delta: 139.5 MB). Free memory was 141.4 MB in the beginning and 251.4 MB in the end (delta: -110.0 MB). Peak memory consumption was 193.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:33,092 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 818.69 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 167.5 MB in the end (delta: -65.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.99 ms. Allocated memory is still 203.4 MB. Free memory was 167.5 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1809.98 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 141.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10399.11 ms. Allocated memory was 235.9 MB in the beginning and 375.4 MB in the end (delta: 139.5 MB). Free memory was 141.4 MB in the beginning and 251.4 MB in the end (delta: -110.0 MB). Peak memory consumption was 193.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1005]: 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: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 203 locations, 1 error locations. Result: SAFE, OverallTime: 10.2s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, HoareTripleCheckerStatistics: 1201 SDtfs, 751 SDslu, 3052 SDs, 0 SdLazy, 1770 SolverSat, 282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=501occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 62 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1139 PreInvPairs, 1203 NumberOfFragments, 863 HoareAnnotationTreeSize, 1139 FomulaSimplifications, 1454 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 2689 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1045 ConstructedInterpolants, 0 QuantifiedInterpolants, 186941 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1674 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 131/140 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...