./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1765ed2f00a711eb0a5a8db62b018a802d4ab98b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:56:55,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:56:55,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:56:55,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:56:55,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:56:55,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:56:55,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:56:55,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:56:55,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:56:55,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:56:55,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:56:55,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:56:55,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:56:55,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:56:55,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:56:55,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:56:55,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:56:55,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:56:55,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:56:55,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:56:55,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:56:55,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:56:55,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:56:55,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:56:55,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:56:55,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:56:55,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:56:55,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:56:55,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:56:55,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:56:55,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:56:55,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:56:55,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:56:55,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:56:55,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:56:55,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:56:55,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:56:55,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:56:55,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:56:55,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:56:55,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:56:55,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:56:55,968 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:56:55,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:56:55,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:56:55,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:56:55,970 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:56:55,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:56:55,971 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:56:55,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:56:55,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:56:55,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:56:55,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:56:55,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:56:55,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:56:55,973 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:56:55,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:56:55,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:56:55,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:56:55,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:56:55,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:56:55,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:56:55,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:56:55,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:56:55,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:56:55,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:56:55,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:56:55,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:56:55,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:56:55,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:56:55,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:56:55,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1765ed2f00a711eb0a5a8db62b018a802d4ab98b [2020-07-28 18:56:56,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:56:56,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:56:56,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:56:56,308 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:56:56,308 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:56:56,309 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-07-28 18:56:56,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3b93ac33/eedd8a00ac744fd185821dd45cc7746f/FLAGf7a86503a [2020-07-28 18:56:56,925 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:56:56,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-07-28 18:56:56,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3b93ac33/eedd8a00ac744fd185821dd45cc7746f/FLAGf7a86503a [2020-07-28 18:56:57,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3b93ac33/eedd8a00ac744fd185821dd45cc7746f [2020-07-28 18:56:57,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:56:57,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:56:57,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:56:57,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:56:57,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:56:57,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:56:57" (1/1) ... [2020-07-28 18:56:57,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c45776f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:57, skipping insertion in model container [2020-07-28 18:56:57,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:56:57" (1/1) ... [2020-07-28 18:56:57,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:56:57,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:56:57,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:56:57,814 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:56:58,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:56:58,033 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:56:58,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58 WrapperNode [2020-07-28 18:56:58,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:56:58,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:56:58,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:56:58,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:56:58,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:56:58,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:56:58,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:56:58,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:56:58,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... [2020-07-28 18:56:58,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:56:58,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:56:58,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:56:58,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:56:58,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:56:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:56:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:56:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:56:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:56:59,423 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:56:59,424 INFO L295 CfgBuilder]: Removed 66 assume(true) statements. [2020-07-28 18:56:59,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:56:59 BoogieIcfgContainer [2020-07-28 18:56:59,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:56:59,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:56:59,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:56:59,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:56:59,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:56:57" (1/3) ... [2020-07-28 18:56:59,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc867a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:56:59, skipping insertion in model container [2020-07-28 18:56:59,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:56:58" (2/3) ... [2020-07-28 18:56:59,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc867a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:56:59, skipping insertion in model container [2020-07-28 18:56:59,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:56:59" (3/3) ... [2020-07-28 18:56:59,437 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-07-28 18:56:59,447 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:56:59,455 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:56:59,470 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:56:59,495 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:56:59,496 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:56:59,496 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:56:59,496 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:56:59,497 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:56:59,497 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:56:59,497 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:56:59,498 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:56:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-07-28 18:56:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:56:59,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:56:59,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:56:59,525 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:56:59,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:56:59,530 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2020-07-28 18:56:59,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:56:59,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573551377] [2020-07-28 18:56:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:56:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:56:59,915 INFO L280 TraceCheckUtils]: 0: Hoare triple {60#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {60#true} is VALID [2020-07-28 18:56:59,916 INFO L280 TraceCheckUtils]: 1: Hoare triple {60#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {60#true} is VALID [2020-07-28 18:56:59,916 INFO L280 TraceCheckUtils]: 2: Hoare triple {60#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {60#true} is VALID [2020-07-28 18:56:59,917 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {60#true} is VALID [2020-07-28 18:56:59,917 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#true} assume 0 != main_~tmp~0; {60#true} is VALID [2020-07-28 18:56:59,918 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#true} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {60#true} is VALID [2020-07-28 18:56:59,919 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#true} assume !true; {61#false} is VALID [2020-07-28 18:56:59,920 INFO L280 TraceCheckUtils]: 7: Hoare triple {61#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {61#false} is VALID [2020-07-28 18:56:59,920 INFO L280 TraceCheckUtils]: 8: Hoare triple {61#false} assume !(0 != ~pumpRunning~0); {61#false} is VALID [2020-07-28 18:56:59,921 INFO L280 TraceCheckUtils]: 9: Hoare triple {61#false} assume 0 != ~systemActive~0; {61#false} is VALID [2020-07-28 18:56:59,921 INFO L280 TraceCheckUtils]: 10: Hoare triple {61#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {61#false} is VALID [2020-07-28 18:56:59,922 INFO L280 TraceCheckUtils]: 11: Hoare triple {61#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {61#false} is VALID [2020-07-28 18:56:59,922 INFO L280 TraceCheckUtils]: 12: Hoare triple {61#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {61#false} is VALID [2020-07-28 18:56:59,922 INFO L280 TraceCheckUtils]: 13: Hoare triple {61#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {61#false} is VALID [2020-07-28 18:56:59,923 INFO L280 TraceCheckUtils]: 14: Hoare triple {61#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {61#false} is VALID [2020-07-28 18:56:59,924 INFO L280 TraceCheckUtils]: 15: Hoare triple {61#false} assume !false; {61#false} is VALID [2020-07-28 18:56:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:56:59,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573551377] [2020-07-28 18:56:59,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:56:59,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:56:59,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181896029] [2020-07-28 18:56:59,938 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:56:59,940 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:56:59,944 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:56:59,991 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:56:59,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:56:59,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:00,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:57:00,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:00,004 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-07-28 18:57:00,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:00,203 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2020-07-28 18:57:00,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:57:00,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:00,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 161 transitions. [2020-07-28 18:57:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 161 transitions. [2020-07-28 18:57:00,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 161 transitions. [2020-07-28 18:57:00,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:00,515 INFO L225 Difference]: With dead ends: 108 [2020-07-28 18:57:00,515 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:57:00,524 INFO L675 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 [2020-07-28 18:57:00,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:57:00,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:57:00,577 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:00,578 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:00,579 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:00,579 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:00,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:00,585 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:00,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:00,586 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:00,587 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:00,587 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:00,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:00,592 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:00,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:00,593 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:00,593 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:00,594 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:57:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-07-28 18:57:00,600 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-07-28 18:57:00,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:00,601 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-07-28 18:57:00,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:57:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:57:00,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:00,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:00,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:57:00,603 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:00,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2020-07-28 18:57:00,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:00,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515798357] [2020-07-28 18:57:00,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:00,746 INFO L280 TraceCheckUtils]: 0: Hoare triple {398#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {398#true} is VALID [2020-07-28 18:57:00,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {398#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {398#true} is VALID [2020-07-28 18:57:00,747 INFO L280 TraceCheckUtils]: 2: Hoare triple {398#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {398#true} is VALID [2020-07-28 18:57:00,747 INFO L280 TraceCheckUtils]: 3: Hoare triple {398#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {398#true} is VALID [2020-07-28 18:57:00,747 INFO L280 TraceCheckUtils]: 4: Hoare triple {398#true} assume 0 != main_~tmp~0; {398#true} is VALID [2020-07-28 18:57:00,748 INFO L280 TraceCheckUtils]: 5: Hoare triple {398#true} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {400#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:00,750 INFO L280 TraceCheckUtils]: 6: Hoare triple {400#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {400#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:00,751 INFO L280 TraceCheckUtils]: 7: Hoare triple {400#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {399#false} is VALID [2020-07-28 18:57:00,752 INFO L280 TraceCheckUtils]: 8: Hoare triple {399#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {399#false} is VALID [2020-07-28 18:57:00,752 INFO L280 TraceCheckUtils]: 9: Hoare triple {399#false} assume !(0 != ~pumpRunning~0); {399#false} is VALID [2020-07-28 18:57:00,753 INFO L280 TraceCheckUtils]: 10: Hoare triple {399#false} assume 0 != ~systemActive~0; {399#false} is VALID [2020-07-28 18:57:00,753 INFO L280 TraceCheckUtils]: 11: Hoare triple {399#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {399#false} is VALID [2020-07-28 18:57:00,753 INFO L280 TraceCheckUtils]: 12: Hoare triple {399#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {399#false} is VALID [2020-07-28 18:57:00,754 INFO L280 TraceCheckUtils]: 13: Hoare triple {399#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {399#false} is VALID [2020-07-28 18:57:00,754 INFO L280 TraceCheckUtils]: 14: Hoare triple {399#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {399#false} is VALID [2020-07-28 18:57:00,754 INFO L280 TraceCheckUtils]: 15: Hoare triple {399#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {399#false} is VALID [2020-07-28 18:57:00,755 INFO L280 TraceCheckUtils]: 16: Hoare triple {399#false} assume !false; {399#false} is VALID [2020-07-28 18:57:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:00,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515798357] [2020-07-28 18:57:00,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:00,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:00,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24930330] [2020-07-28 18:57:00,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:00,761 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:00,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:00,803 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:00,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:00,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:00,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:00,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:00,805 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-07-28 18:57:01,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:01,046 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:01,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:01,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:01,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 18:57:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 18:57:01,055 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 72 transitions. [2020-07-28 18:57:01,193 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:01,194 INFO L225 Difference]: With dead ends: 53 [2020-07-28 18:57:01,197 INFO L226 Difference]: Without dead ends: 27 [2020-07-28 18:57:01,198 INFO L675 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 [2020-07-28 18:57:01,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-28 18:57:01,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-07-28 18:57:01,216 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:01,216 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:01,216 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:01,217 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:01,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:01,219 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2020-07-28 18:57:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:01,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:01,220 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:01,220 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:01,220 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:01,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:01,223 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2020-07-28 18:57:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:01,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:01,224 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:01,224 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:01,224 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:01,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-28 18:57:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-07-28 18:57:01,227 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-07-28 18:57:01,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:01,227 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-07-28 18:57:01,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:01,227 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:01,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:01,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:01,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:57:01,229 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:01,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:01,230 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-07-28 18:57:01,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:01,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198070021] [2020-07-28 18:57:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:01,396 INFO L280 TraceCheckUtils]: 0: Hoare triple {569#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,397 INFO L280 TraceCheckUtils]: 1: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,398 INFO L280 TraceCheckUtils]: 2: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,399 INFO L280 TraceCheckUtils]: 3: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,400 INFO L280 TraceCheckUtils]: 4: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,401 INFO L280 TraceCheckUtils]: 5: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,402 INFO L280 TraceCheckUtils]: 6: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume !false; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,403 INFO L280 TraceCheckUtils]: 7: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,404 INFO L280 TraceCheckUtils]: 8: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet29 && test_#t~nondet29 <= 2147483647;test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,405 INFO L280 TraceCheckUtils]: 9: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~1); {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,406 INFO L280 TraceCheckUtils]: 10: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet30 && test_#t~nondet30 <= 2147483647;test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,407 INFO L280 TraceCheckUtils]: 11: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,408 INFO L280 TraceCheckUtils]: 12: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,409 INFO L280 TraceCheckUtils]: 13: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,410 INFO L280 TraceCheckUtils]: 14: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,411 INFO L280 TraceCheckUtils]: 15: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:01,412 INFO L280 TraceCheckUtils]: 16: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {572#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:57:01,414 INFO L280 TraceCheckUtils]: 17: Hoare triple {572#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {573#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~2 0)} is VALID [2020-07-28 18:57:01,415 INFO L280 TraceCheckUtils]: 18: Hoare triple {573#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~2 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {570#false} is VALID [2020-07-28 18:57:01,416 INFO L280 TraceCheckUtils]: 19: Hoare triple {570#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {570#false} is VALID [2020-07-28 18:57:01,416 INFO L280 TraceCheckUtils]: 20: Hoare triple {570#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {570#false} is VALID [2020-07-28 18:57:01,417 INFO L280 TraceCheckUtils]: 21: Hoare triple {570#false} assume !false; {570#false} is VALID [2020-07-28 18:57:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:01,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198070021] [2020-07-28 18:57:01,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:01,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:01,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494334534] [2020-07-28 18:57:01,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:57:01,421 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:01,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:01,462 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:01,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:01,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:01,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:01,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:01,464 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-07-28 18:57:02,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:02,062 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-07-28 18:57:02,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:57:02,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:57:02,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 167 transitions. [2020-07-28 18:57:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 167 transitions. [2020-07-28 18:57:02,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 167 transitions. [2020-07-28 18:57:02,288 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:02,292 INFO L225 Difference]: With dead ends: 109 [2020-07-28 18:57:02,292 INFO L226 Difference]: Without dead ends: 88 [2020-07-28 18:57:02,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:57:02,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-28 18:57:02,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-07-28 18:57:02,351 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:02,351 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:02,352 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:02,352 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:02,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:02,356 INFO L93 Difference]: Finished difference Result 88 states and 133 transitions. [2020-07-28 18:57:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2020-07-28 18:57:02,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:02,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:02,358 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 88 states. [2020-07-28 18:57:02,358 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 88 states. [2020-07-28 18:57:02,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:02,362 INFO L93 Difference]: Finished difference Result 88 states and 133 transitions. [2020-07-28 18:57:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2020-07-28 18:57:02,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:02,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:02,364 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:02,364 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-28 18:57:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-07-28 18:57:02,366 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-07-28 18:57:02,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:02,366 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-07-28 18:57:02,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-07-28 18:57:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:57:02,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:02,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:02,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:57:02,368 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:02,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:02,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2020-07-28 18:57:02,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:02,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101113034] [2020-07-28 18:57:02,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:02,520 INFO L280 TraceCheckUtils]: 0: Hoare triple {968#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,521 INFO L280 TraceCheckUtils]: 1: Hoare triple {970#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,522 INFO L280 TraceCheckUtils]: 2: Hoare triple {970#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,523 INFO L280 TraceCheckUtils]: 3: Hoare triple {970#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,523 INFO L280 TraceCheckUtils]: 4: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,524 INFO L280 TraceCheckUtils]: 5: Hoare triple {970#(= 0 ~pumpRunning~0)} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,526 INFO L280 TraceCheckUtils]: 6: Hoare triple {970#(= 0 ~pumpRunning~0)} assume !false; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,529 INFO L280 TraceCheckUtils]: 7: Hoare triple {970#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,530 INFO L280 TraceCheckUtils]: 8: Hoare triple {970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet29 && test_#t~nondet29 <= 2147483647;test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,531 INFO L280 TraceCheckUtils]: 9: Hoare triple {970#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~1); {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,532 INFO L280 TraceCheckUtils]: 10: Hoare triple {970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet30 && test_#t~nondet30 <= 2147483647;test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,533 INFO L280 TraceCheckUtils]: 11: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,534 INFO L280 TraceCheckUtils]: 12: Hoare triple {970#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,535 INFO L280 TraceCheckUtils]: 13: Hoare triple {970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,536 INFO L280 TraceCheckUtils]: 14: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,537 INFO L280 TraceCheckUtils]: 15: Hoare triple {970#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,538 INFO L280 TraceCheckUtils]: 16: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,539 INFO L280 TraceCheckUtils]: 17: Hoare triple {970#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,540 INFO L280 TraceCheckUtils]: 18: Hoare triple {970#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:02,541 INFO L280 TraceCheckUtils]: 19: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {971#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:57:02,542 INFO L280 TraceCheckUtils]: 20: Hoare triple {971#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {972#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} is VALID [2020-07-28 18:57:02,543 INFO L280 TraceCheckUtils]: 21: Hoare triple {972#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {969#false} is VALID [2020-07-28 18:57:02,543 INFO L280 TraceCheckUtils]: 22: Hoare triple {969#false} assume !false; {969#false} is VALID [2020-07-28 18:57:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:02,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101113034] [2020-07-28 18:57:02,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:02,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:02,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70278257] [2020-07-28 18:57:02,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:02,546 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:02,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:02,590 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:02,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:02,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:02,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:02,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:02,591 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-07-28 18:57:03,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:03,195 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-07-28 18:57:03,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:57:03,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:03,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2020-07-28 18:57:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2020-07-28 18:57:03,199 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 112 transitions. [2020-07-28 18:57:03,343 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:03,343 INFO L225 Difference]: With dead ends: 130 [2020-07-28 18:57:03,344 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:57:03,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:57:03,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:57:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:57:03,346 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:03,346 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:03,346 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:03,347 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:03,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:03,347 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:03,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:03,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:03,347 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:03,347 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:03,348 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:03,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:03,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:03,348 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:03,348 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:03,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:57:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:57:03,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-07-28 18:57:03,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:03,349 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:57:03,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:03,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:03,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:57:03,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:57:03,546 INFO L268 CegarLoopResult]: For program point L448(lines 448 461) no Hoare annotation was computed. [2020-07-28 18:57:03,547 INFO L264 CegarLoopResult]: At program point L448-1(lines 1 839) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,547 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 461) no Hoare annotation was computed. [2020-07-28 18:57:03,547 INFO L264 CegarLoopResult]: At program point L448-3(lines 1 839) the Hoare annotation is: false [2020-07-28 18:57:03,547 INFO L268 CegarLoopResult]: For program point L448-4(lines 448 461) no Hoare annotation was computed. [2020-07-28 18:57:03,547 INFO L264 CegarLoopResult]: At program point L448-5(lines 1 839) the Hoare annotation is: false [2020-07-28 18:57:03,547 INFO L264 CegarLoopResult]: At program point L250(lines 1 839) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2020-07-28 18:57:03,548 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2020-07-28 18:57:03,548 INFO L264 CegarLoopResult]: At program point L333(lines 328 336) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,548 INFO L264 CegarLoopResult]: At program point L333-1(lines 328 336) the Hoare annotation is: false [2020-07-28 18:57:03,548 INFO L264 CegarLoopResult]: At program point L333-2(lines 328 336) the Hoare annotation is: false [2020-07-28 18:57:03,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:57:03,549 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-28 18:57:03,549 INFO L264 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,549 INFO L268 CegarLoopResult]: For program point L385(lines 384 429) no Hoare annotation was computed. [2020-07-28 18:57:03,549 INFO L268 CegarLoopResult]: For program point L154(lines 154 158) no Hoare annotation was computed. [2020-07-28 18:57:03,549 INFO L268 CegarLoopResult]: For program point L154-3(lines 154 158) no Hoare annotation was computed. [2020-07-28 18:57:03,549 INFO L268 CegarLoopResult]: For program point L154-6(lines 154 158) no Hoare annotation was computed. [2020-07-28 18:57:03,556 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-07-28 18:57:03,558 INFO L268 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-07-28 18:57:03,558 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 458) no Hoare annotation was computed. [2020-07-28 18:57:03,558 INFO L268 CegarLoopResult]: For program point L452-4(lines 452 458) no Hoare annotation was computed. [2020-07-28 18:57:03,559 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-28 18:57:03,559 INFO L268 CegarLoopResult]: For program point L56-1(lines 274 280) no Hoare annotation was computed. [2020-07-28 18:57:03,559 INFO L271 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2020-07-28 18:57:03,559 INFO L268 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-07-28 18:57:03,559 INFO L268 CegarLoopResult]: For program point L420-2(lines 274 280) no Hoare annotation was computed. [2020-07-28 18:57:03,560 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-28 18:57:03,560 INFO L268 CegarLoopResult]: For program point L470-1(line 470) no Hoare annotation was computed. [2020-07-28 18:57:03,561 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-07-28 18:57:03,561 INFO L268 CegarLoopResult]: For program point L470-2(line 470) no Hoare annotation was computed. [2020-07-28 18:57:03,562 INFO L264 CegarLoopResult]: At program point L404-1(lines 404 410) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,562 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:57:03,562 INFO L264 CegarLoopResult]: At program point L191(lines 186 194) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,562 INFO L264 CegarLoopResult]: At program point L191-1(lines 186 194) the Hoare annotation is: false [2020-07-28 18:57:03,562 INFO L264 CegarLoopResult]: At program point L191-2(lines 186 194) the Hoare annotation is: false [2020-07-28 18:57:03,564 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2020-07-28 18:57:03,564 INFO L264 CegarLoopResult]: At program point L274(lines 273 292) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,565 INFO L268 CegarLoopResult]: For program point L274-1(lines 274 280) no Hoare annotation was computed. [2020-07-28 18:57:03,565 INFO L264 CegarLoopResult]: At program point L274-2(lines 273 292) the Hoare annotation is: false [2020-07-28 18:57:03,565 INFO L264 CegarLoopResult]: At program point L274-3(lines 273 292) the Hoare annotation is: false [2020-07-28 18:57:03,565 INFO L264 CegarLoopResult]: At program point L258(lines 253 261) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,565 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:57:03,566 INFO L268 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2020-07-28 18:57:03,567 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-07-28 18:57:03,567 INFO L264 CegarLoopResult]: At program point L394-1(lines 394 400) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,567 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-28 18:57:03,567 INFO L271 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2020-07-28 18:57:03,567 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:57:03,568 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2020-07-28 18:57:03,568 INFO L264 CegarLoopResult]: At program point L281(lines 281 287) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:03,568 INFO L264 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: false [2020-07-28 18:57:03,568 INFO L264 CegarLoopResult]: At program point L281-2(lines 281 287) the Hoare annotation is: false [2020-07-28 18:57:03,569 INFO L264 CegarLoopResult]: At program point L430(lines 383 431) the Hoare annotation is: false [2020-07-28 18:57:03,569 INFO L268 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2020-07-28 18:57:03,569 INFO L268 CegarLoopResult]: For program point L414(lines 414 425) no Hoare annotation was computed. [2020-07-28 18:57:03,573 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:57:03,574 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:57:03,576 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:57:03,576 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:57:03,576 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:57:03,583 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-28 18:57:03,583 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:03,583 WARN L170 areAnnotationChecker]: L274-1 has no Hoare annotation [2020-07-28 18:57:03,583 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-28 18:57:03,583 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-28 18:57:03,584 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:03,584 WARN L170 areAnnotationChecker]: L274-1 has no Hoare annotation [2020-07-28 18:57:03,584 WARN L170 areAnnotationChecker]: L274-1 has no Hoare annotation [2020-07-28 18:57:03,584 WARN L170 areAnnotationChecker]: L386 has no Hoare annotation [2020-07-28 18:57:03,584 WARN L170 areAnnotationChecker]: L154-3 has no Hoare annotation [2020-07-28 18:57:03,584 WARN L170 areAnnotationChecker]: L154-3 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L394 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L394 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L448-2 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 18:57:03,585 WARN L170 areAnnotationChecker]: L448-2 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L448-2 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L452-2 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L452-2 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L452-2 has no Hoare annotation [2020-07-28 18:57:03,586 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:57:03,587 WARN L170 areAnnotationChecker]: L420-2 has no Hoare annotation [2020-07-28 18:57:03,587 WARN L170 areAnnotationChecker]: L420-2 has no Hoare annotation [2020-07-28 18:57:03,587 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 18:57:03,587 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 18:57:03,587 WARN L170 areAnnotationChecker]: L470-1 has no Hoare annotation [2020-07-28 18:57:03,588 WARN L170 areAnnotationChecker]: L470-1 has no Hoare annotation [2020-07-28 18:57:03,588 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:57:03,588 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-28 18:57:03,588 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-28 18:57:03,590 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:57:03,590 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:57:03,591 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:57:03,591 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:57:03,591 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 18:57:03,591 WARN L170 areAnnotationChecker]: L154-6 has no Hoare annotation [2020-07-28 18:57:03,591 WARN L170 areAnnotationChecker]: L154-6 has no Hoare annotation [2020-07-28 18:57:03,591 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 18:57:03,591 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 18:57:03,592 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:57:03,592 WARN L170 areAnnotationChecker]: L448-4 has no Hoare annotation [2020-07-28 18:57:03,592 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:57:03,592 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:57:03,592 WARN L170 areAnnotationChecker]: L448-4 has no Hoare annotation [2020-07-28 18:57:03,592 WARN L170 areAnnotationChecker]: L448-4 has no Hoare annotation [2020-07-28 18:57:03,594 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-28 18:57:03,594 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-28 18:57:03,594 WARN L170 areAnnotationChecker]: L452-4 has no Hoare annotation [2020-07-28 18:57:03,594 WARN L170 areAnnotationChecker]: L452-4 has no Hoare annotation [2020-07-28 18:57:03,594 WARN L170 areAnnotationChecker]: L452-4 has no Hoare annotation [2020-07-28 18:57:03,594 WARN L170 areAnnotationChecker]: L470-2 has no Hoare annotation [2020-07-28 18:57:03,595 WARN L170 areAnnotationChecker]: L470-2 has no Hoare annotation [2020-07-28 18:57:03,595 INFO L163 areAnnotationChecker]: CFG has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:57:03,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:57:03 BoogieIcfgContainer [2020-07-28 18:57:03,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:57:03,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:57:03,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:57:03,626 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:57:03,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:56:59" (3/4) ... [2020-07-28 18:57:03,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:57:03,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:57:03,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:57:03,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:57:03,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:57:03,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:57:03,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:03,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:03,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:57:03,752 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:57:03,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:57:03,756 INFO L168 Benchmark]: Toolchain (without parser) took 6508.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 956.2 MB in the beginning and 989.8 MB in the end (delta: -33.6 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:03,756 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:03,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:03,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:03,758 INFO L168 Benchmark]: Boogie Preprocessor took 41.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:03,758 INFO L168 Benchmark]: RCFGBuilder took 1266.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.4 MB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:03,758 INFO L168 Benchmark]: TraceAbstraction took 4194.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 984.4 MB in the beginning and 997.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:03,759 INFO L168 Benchmark]: Witness Printer took 127.92 ms. Allocated memory is still 1.2 GB. Free memory was 997.5 MB in the beginning and 989.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:03,761 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 784.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1266.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.4 MB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4194.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 984.4 MB in the beginning and 997.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * Witness Printer took 127.92 ms. Allocated memory is still 1.2 GB. Free memory was 997.5 MB in the beginning and 989.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 470]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 470]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...