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_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:07,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:07,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:07,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:07,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:07,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:07,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:07,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:07,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:07,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:07,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:07,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:07,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:07,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:08,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:08,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:08,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:08,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:08,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:08,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:08,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:08,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:08,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:08,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:08,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:08,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:08,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:08,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:08,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:08,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:08,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:08,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:08,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:08,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:08,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:08,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:08,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:08,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:08,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:08,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:08,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:08,039 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 [2019-10-07 15:16:08,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:08,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:08,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:08,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:08,055 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:08,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:08,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:08,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:08,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:08,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:08,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:08,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:08,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:08,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:08,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:08,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:08,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:08,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:08,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:08,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:08,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:08,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:08,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:08,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:08,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:08,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:08,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:08,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:08,060 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 [2019-10-07 15:16:08,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:08,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:08,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:08,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:08,385 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:08,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-10-07 15:16:08,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5666e43c5/ee8e7cd9b54c47d8a23545a0712a1db2/FLAGada7eacdc [2019-10-07 15:16:08,976 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:08,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-10-07 15:16:09,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5666e43c5/ee8e7cd9b54c47d8a23545a0712a1db2/FLAGada7eacdc [2019-10-07 15:16:09,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5666e43c5/ee8e7cd9b54c47d8a23545a0712a1db2 [2019-10-07 15:16:09,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:09,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:09,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:09,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:09,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:09,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:09,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507cfa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09, skipping insertion in model container [2019-10-07 15:16:09,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:09,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:09,381 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:16:09,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:09,818 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:16:09,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:09,963 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:16:09,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09 WrapperNode [2019-10-07 15:16:09,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:09,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:16:09,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:16:09,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:16:09,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:09,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:10,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:10,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:10,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:10,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:10,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (1/1) ... [2019-10-07 15:16:10,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:16:10,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:16:10,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:16:10,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:16:10,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (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 [2019-10-07 15:16:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:16:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:16:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:16:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:16:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:16:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:16:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:16:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:16:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:16:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:16:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:16:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:16:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:16:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:16:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:16:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:16:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:16:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:16:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:16:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:16:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:16:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:16:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:16:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:16:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:16:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:16:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:16:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:16:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:16:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:16:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:16:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:16:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:16:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:16:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:16:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:16:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:16:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:16:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:16:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:16:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:16:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:16:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:16:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:16:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:16:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:16:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:16:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:16:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:16:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:16:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:16:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:16:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:16:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:16:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:16:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:16:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:16:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:16:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:16:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:16:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:16:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:16:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:16:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:16:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:16:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:16:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:16:10,219 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:16:10,219 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:16:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:16:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:16:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:16:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:16:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:16:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:16:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:16:11,891 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:16:11,891 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:16:11,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:11 BoogieIcfgContainer [2019-10-07 15:16:11,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:16:11,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:16:11,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:16:11,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:16:11,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:09" (1/3) ... [2019-10-07 15:16:11,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae0f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:11, skipping insertion in model container [2019-10-07 15:16:11,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:09" (2/3) ... [2019-10-07 15:16:11,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae0f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:11, skipping insertion in model container [2019-10-07 15:16:11,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:11" (3/3) ... [2019-10-07 15:16:11,904 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2019-10-07 15:16:11,915 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:16:11,925 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:16:11,938 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:16:11,973 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:16:11,974 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:16:11,974 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:16:11,974 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:16:11,975 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:16:11,975 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:16:11,976 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:16:11,976 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:16:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-07 15:16:12,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:16:12,008 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:12,009 INFO L385 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] [2019-10-07 15:16:12,011 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:12,018 INFO L82 PathProgramCache]: Analyzing trace with hash 803438381, now seen corresponding path program 1 times [2019-10-07 15:16:12,027 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:12,028 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:12,028 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:12,029 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:12,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:12,429 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:12,429 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:12,430 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:16:12,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:16:12,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:16:12,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:12,451 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-10-07 15:16:12,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:12,486 INFO L93 Difference]: Finished difference Result 168 states and 205 transitions. [2019-10-07 15:16:12,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:16:12,488 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:16:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:12,501 INFO L225 Difference]: With dead ends: 168 [2019-10-07 15:16:12,502 INFO L226 Difference]: Without dead ends: 86 [2019-10-07 15:16:12,506 INFO L606 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 [2019-10-07 15:16:12,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-07 15:16:12,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-10-07 15:16:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-07 15:16:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-10-07 15:16:12,560 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 46 [2019-10-07 15:16:12,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:12,561 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-10-07 15:16:12,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:16:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-10-07 15:16:12,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:16:12,564 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:12,564 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:12,565 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:12,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:12,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1777759837, now seen corresponding path program 1 times [2019-10-07 15:16:12,566 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:12,566 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:12,566 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:12,566 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:12,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:12,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:12,729 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:12,730 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:12,730 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:16:12,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:16:12,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:16:12,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:12,734 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 3 states. [2019-10-07 15:16:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:12,770 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2019-10-07 15:16:12,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:16:12,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:16:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:12,777 INFO L225 Difference]: With dead ends: 114 [2019-10-07 15:16:12,777 INFO L226 Difference]: Without dead ends: 78 [2019-10-07 15:16:12,781 INFO L606 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 [2019-10-07 15:16:12,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-07 15:16:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-10-07 15:16:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-07 15:16:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2019-10-07 15:16:12,794 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 47 [2019-10-07 15:16:12,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:12,795 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2019-10-07 15:16:12,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:16:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2019-10-07 15:16:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:16:12,797 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:12,797 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:12,798 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:12,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:12,798 INFO L82 PathProgramCache]: Analyzing trace with hash -162684359, now seen corresponding path program 1 times [2019-10-07 15:16:12,799 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:12,799 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:12,799 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:12,799 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:12,981 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:12,981 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:12,981 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:12,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:12,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:12,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:12,984 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand 7 states. [2019-10-07 15:16:13,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:13,356 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2019-10-07 15:16:13,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:16:13,357 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:16:13,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:13,360 INFO L225 Difference]: With dead ends: 230 [2019-10-07 15:16:13,360 INFO L226 Difference]: Without dead ends: 177 [2019-10-07 15:16:13,361 INFO L606 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 [2019-10-07 15:16:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-10-07 15:16:13,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 155. [2019-10-07 15:16:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-07 15:16:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 181 transitions. [2019-10-07 15:16:13,390 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 181 transitions. Word has length 51 [2019-10-07 15:16:13,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:13,390 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 181 transitions. [2019-10-07 15:16:13,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 181 transitions. [2019-10-07 15:16:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:16:13,393 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:13,393 INFO L385 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] [2019-10-07 15:16:13,394 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:13,394 INFO L82 PathProgramCache]: Analyzing trace with hash 286158965, now seen corresponding path program 1 times [2019-10-07 15:16:13,394 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:13,395 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:13,395 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:13,395 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:13,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:13,527 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:13,527 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:13,528 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:13,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:13,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:13,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:13,529 INFO L87 Difference]: Start difference. First operand 155 states and 181 transitions. Second operand 6 states. [2019-10-07 15:16:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:13,697 INFO L93 Difference]: Finished difference Result 397 states and 480 transitions. [2019-10-07 15:16:13,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:13,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-07 15:16:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:13,701 INFO L225 Difference]: With dead ends: 397 [2019-10-07 15:16:13,701 INFO L226 Difference]: Without dead ends: 267 [2019-10-07 15:16:13,703 INFO L606 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 [2019-10-07 15:16:13,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2019-10-07 15:16:13,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 255. [2019-10-07 15:16:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2019-10-07 15:16:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 299 transitions. [2019-10-07 15:16:13,737 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 299 transitions. Word has length 54 [2019-10-07 15:16:13,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:13,738 INFO L462 AbstractCegarLoop]: Abstraction has 255 states and 299 transitions. [2019-10-07 15:16:13,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 299 transitions. [2019-10-07 15:16:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:16:13,741 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:13,741 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:13,741 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:13,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:13,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1385959963, now seen corresponding path program 1 times [2019-10-07 15:16:13,742 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:13,742 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:13,743 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:13,743 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:13,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:13,884 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:13,884 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:13,884 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:13,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:13,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:13,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:13,886 INFO L87 Difference]: Start difference. First operand 255 states and 299 transitions. Second operand 6 states. [2019-10-07 15:16:14,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:14,051 INFO L93 Difference]: Finished difference Result 461 states and 560 transitions. [2019-10-07 15:16:14,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:16:14,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-07 15:16:14,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:14,052 INFO L225 Difference]: With dead ends: 461 [2019-10-07 15:16:14,053 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:16:14,058 INFO L606 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 [2019-10-07 15:16:14,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:16:14,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:16:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:16:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:16:14,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-10-07 15:16:14,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:14,061 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:16:14,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:16:14,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:16:14,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:16:14,678 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:16:14,679 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:16:14,679 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:16:14,679 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:16:14,679 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:16:14,679 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:16:14,680 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:16:14,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:16:14,680 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:16:14,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:16:14,680 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:16:14,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:16:14,680 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:16:14,681 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2019-10-07 15:16:14,681 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2019-10-07 15:16:14,681 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2019-10-07 15:16:14,681 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2019-10-07 15:16:14,681 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,681 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2019-10-07 15:16:14,682 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,682 INFO L439 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,682 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2019-10-07 15:16:14,682 INFO L443 ceAbstractionStarter]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2019-10-07 15:16:14,682 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-07 15:16:14,683 INFO L439 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,683 INFO L439 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,683 INFO L439 ceAbstractionStarter]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,683 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2019-10-07 15:16:14,683 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2019-10-07 15:16:14,683 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2019-10-07 15:16:14,684 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-07 15:16:14,684 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-07 15:16:14,684 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-07 15:16:14,684 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-07 15:16:14,684 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-07 15:16:14,684 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-07 15:16:14,684 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-07 15:16:14,685 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-07 15:16:14,685 INFO L443 ceAbstractionStarter]: For program point L489(line 489) no Hoare annotation was computed. [2019-10-07 15:16:14,685 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-07 15:16:14,685 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-07 15:16:14,685 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-10-07 15:16:14,685 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-07 15:16:14,685 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-07 15:16:14,685 INFO L439 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:16:14,686 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 731 745) no Hoare annotation was computed. [2019-10-07 15:16:14,686 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-10-07 15:16:14,686 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 731 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:16:14,686 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 686 694) no Hoare annotation was computed. [2019-10-07 15:16:14,686 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 686 694) the Hoare annotation is: true [2019-10-07 15:16:14,686 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-07 15:16:14,686 INFO L443 ceAbstractionStarter]: For program point L725-1(line 725) no Hoare annotation was computed. [2019-10-07 15:16:14,686 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 695 730) no Hoare annotation was computed. [2019-10-07 15:16:14,687 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 695 730) no Hoare annotation was computed. [2019-10-07 15:16:14,687 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2019-10-07 15:16:14,687 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2019-10-07 15:16:14,687 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:16:14,687 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:16:14,687 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:16:14,687 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:16:14,688 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,688 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2019-10-07 15:16:14,688 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2019-10-07 15:16:14,688 INFO L439 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,688 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 675 685) no Hoare annotation was computed. [2019-10-07 15:16:14,688 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 675 685) no Hoare annotation was computed. [2019-10-07 15:16:14,688 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-10-07 15:16:14,688 INFO L443 ceAbstractionStarter]: For program point L680-1(line 680) no Hoare annotation was computed. [2019-10-07 15:16:14,689 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 667 674) the Hoare annotation is: true [2019-10-07 15:16:14,689 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 667 674) no Hoare annotation was computed. [2019-10-07 15:16:14,689 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 652 658) no Hoare annotation was computed. [2019-10-07 15:16:14,689 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 652 658) the Hoare annotation is: true [2019-10-07 15:16:14,689 INFO L439 ceAbstractionStarter]: At program point L609(lines 558 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,689 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 549 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,690 INFO L439 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,690 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 549 616) no Hoare annotation was computed. [2019-10-07 15:16:14,690 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 603) no Hoare annotation was computed. [2019-10-07 15:16:14,690 INFO L439 ceAbstractionStarter]: At program point L597-1(lines 589 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,690 INFO L443 ceAbstractionStarter]: For program point L560(lines 559 608) no Hoare annotation was computed. [2019-10-07 15:16:14,690 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,690 INFO L443 ceAbstractionStarter]: For program point L589(lines 589 604) no Hoare annotation was computed. [2019-10-07 15:16:14,691 INFO L439 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,691 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 585) no Hoare annotation was computed. [2019-10-07 15:16:14,691 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2019-10-07 15:16:14,691 INFO L439 ceAbstractionStarter]: At program point L606(lines 559 608) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,691 INFO L439 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:14,691 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-10-07 15:16:14,691 INFO L443 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2019-10-07 15:16:14,691 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 549 616) no Hoare annotation was computed. [2019-10-07 15:16:14,692 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:16:14,692 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:16:14,692 INFO L439 ceAbstractionStarter]: At program point L864(line 864) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:16:14,692 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-10-07 15:16:14,692 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 879) no Hoare annotation was computed. [2019-10-07 15:16:14,693 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2019-10-07 15:16:14,693 INFO L446 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: true [2019-10-07 15:16:14,693 INFO L443 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-10-07 15:16:14,693 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 854 882) the Hoare annotation is: true [2019-10-07 15:16:14,693 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:16:14,693 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 854 882) no Hoare annotation was computed. [2019-10-07 15:16:14,693 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-10-07 15:16:14,694 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 876) no Hoare annotation was computed. [2019-10-07 15:16:14,694 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 846 853) the Hoare annotation is: true [2019-10-07 15:16:14,694 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 846 853) no Hoare annotation was computed. [2019-10-07 15:16:14,694 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 812 834) no Hoare annotation was computed. [2019-10-07 15:16:14,694 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 812 834) no Hoare annotation was computed. [2019-10-07 15:16:14,694 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:16:14,695 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:16:14,695 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:16:14,695 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:16:14,695 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:16:14,695 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:16:14,695 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:16:14,695 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:16:14,695 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:16:14,696 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:16:14,696 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:16:14,696 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:16:14,696 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:16:14,696 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2019-10-07 15:16:14,696 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2019-10-07 15:16:14,696 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:14,696 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:14,697 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 659 666) no Hoare annotation was computed. [2019-10-07 15:16:14,697 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 659 666) no Hoare annotation was computed. [2019-10-07 15:16:14,697 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 835 843) no Hoare annotation was computed. [2019-10-07 15:16:14,697 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 835 843) no Hoare annotation was computed. [2019-10-07 15:16:14,697 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:14,697 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:16:14,697 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 791 802) the Hoare annotation is: true [2019-10-07 15:16:14,698 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 791 802) no Hoare annotation was computed. [2019-10-07 15:16:14,698 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-07 15:16:14,698 INFO L446 ceAbstractionStarter]: At program point L639(lines 639 645) the Hoare annotation is: true [2019-10-07 15:16:14,698 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:16:14,698 INFO L443 ceAbstractionStarter]: For program point L632(lines 631 650) no Hoare annotation was computed. [2019-10-07 15:16:14,698 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: true [2019-10-07 15:16:14,698 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2019-10-07 15:16:14,699 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2019-10-07 15:16:14,699 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2019-10-07 15:16:14,699 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2019-10-07 15:16:14,699 INFO L446 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2019-10-07 15:16:14,699 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-07 15:16:14,699 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-10-07 15:16:14,699 INFO L446 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2019-10-07 15:16:14,700 INFO L446 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2019-10-07 15:16:14,700 INFO L446 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2019-10-07 15:16:14,700 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-10-07 15:16:14,700 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 803 811) the Hoare annotation is: true [2019-10-07 15:16:14,700 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 803 811) no Hoare annotation was computed. [2019-10-07 15:16:14,700 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 767 778) the Hoare annotation is: true [2019-10-07 15:16:14,700 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 767 778) no Hoare annotation was computed. [2019-10-07 15:16:14,700 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2019-10-07 15:16:14,701 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2019-10-07 15:16:14,701 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:14,701 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:14,701 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:14,701 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:16:14,701 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 746 753) no Hoare annotation was computed. [2019-10-07 15:16:14,701 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 746 753) the Hoare annotation is: true [2019-10-07 15:16:14,701 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 779 790) no Hoare annotation was computed. [2019-10-07 15:16:14,702 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 779 790) the Hoare annotation is: true [2019-10-07 15:16:14,702 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 755 762) the Hoare annotation is: true [2019-10-07 15:16:14,702 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-10-07 15:16:14,702 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 755 762) no Hoare annotation was computed. [2019-10-07 15:16:14,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:16:14 BoogieIcfgContainer [2019-10-07 15:16:14,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:16:14,720 INFO L168 Benchmark]: Toolchain (without parser) took 5398.19 ms. Allocated memory was 144.7 MB in the beginning and 251.1 MB in the end (delta: 106.4 MB). Free memory was 101.5 MB in the beginning and 139.4 MB in the end (delta: -38.0 MB). Peak memory consumption was 122.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:14,721 INFO L168 Benchmark]: CDTParser took 1.40 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:14,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.46 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 169.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:14,723 INFO L168 Benchmark]: Boogie Preprocessor took 150.73 ms. Allocated memory is still 201.9 MB. Free memory was 169.9 MB in the beginning and 165.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:14,725 INFO L168 Benchmark]: RCFGBuilder took 1776.69 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.8 MB in the beginning and 153.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:14,726 INFO L168 Benchmark]: TraceAbstraction took 2821.18 ms. Allocated memory was 233.8 MB in the beginning and 251.1 MB in the end (delta: 17.3 MB). Free memory was 152.1 MB in the beginning and 139.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:14,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.46 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 169.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.73 ms. Allocated memory is still 201.9 MB. Free memory was 169.9 MB in the beginning and 165.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1776.69 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.8 MB in the beginning and 153.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2821.18 ms. Allocated memory was 233.8 MB in the beginning and 251.1 MB in the end (delta: 17.3 MB). Free memory was 152.1 MB in the beginning and 139.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 164 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 464 SDtfs, 220 SDslu, 907 SDs, 0 SdLazy, 251 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 304 PreInvPairs, 344 NumberOfFragments, 419 HoareAnnotationTreeSize, 304 FomulaSimplifications, 356 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 48 FomulaSimplificationsInter, 1223 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 23276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...