./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product55.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_spec3_product55.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 07b1c242ee38ca5843c5ca9be19cecfe3ff6bd0c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:02:04,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:02:04,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:02:04,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:02:04,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:02:04,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:02:04,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:02:04,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:02:04,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:02:04,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:02:04,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:02:04,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:02:04,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:02:04,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:02:04,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:02:04,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:02:04,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:02:04,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:02:04,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:02:04,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:02:04,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:02:04,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:02:04,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:02:04,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:02:04,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:02:04,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:02:04,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:02:04,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:02:04,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:02:04,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:02:04,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:02:04,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:02:04,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:02:04,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:02:04,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:02:04,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:02:04,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:02:04,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:02:04,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:02:04,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:02:04,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:02:04,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:02:04,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:02:04,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:02:04,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:02:04,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:02:04,950 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:02:04,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:02:04,950 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:02:04,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:02:04,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:02:04,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:02:04,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:02:04,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:02:04,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:02:04,952 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:02:04,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:02:04,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:02:04,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:02:04,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:02:04,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:02:04,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:02:04,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:02:04,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:04,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:02:04,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:02:04,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:02:04,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:02:04,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:02:04,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:02:04,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:02:04,957 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 -> 07b1c242ee38ca5843c5ca9be19cecfe3ff6bd0c [2020-07-28 19:02:05,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:02:05,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:02:05,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:02:05,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:02:05,333 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:02:05,334 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2020-07-28 19:02:05,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5ed6c83b/ba33b993bdbe47c29a38f112ab682dc0/FLAG54f07afac [2020-07-28 19:02:06,000 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:02:06,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2020-07-28 19:02:06,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5ed6c83b/ba33b993bdbe47c29a38f112ab682dc0/FLAG54f07afac [2020-07-28 19:02:06,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5ed6c83b/ba33b993bdbe47c29a38f112ab682dc0 [2020-07-28 19:02:06,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:02:06,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:02:06,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:06,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:02:06,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:02:06,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:06" (1/1) ... [2020-07-28 19:02:06,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb0c87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:06, skipping insertion in model container [2020-07-28 19:02:06,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:06" (1/1) ... [2020-07-28 19:02:06,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:02:06,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:02:06,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:06,940 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:02:07,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:07,072 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:02:07,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07 WrapperNode [2020-07-28 19:02:07,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:07,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:07,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:02:07,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:02:07,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:07,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:02:07,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:02:07,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:02:07,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:02:07,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:02:07,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:02:07,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:02:07,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:02:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:02:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:02:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:02:09,655 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:02:09,655 INFO L295 CfgBuilder]: Removed 286 assume(true) statements. [2020-07-28 19:02:09,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:09 BoogieIcfgContainer [2020-07-28 19:02:09,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:02:09,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:02:09,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:02:09,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:02:09,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:02:06" (1/3) ... [2020-07-28 19:02:09,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc8aac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:09, skipping insertion in model container [2020-07-28 19:02:09,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07" (2/3) ... [2020-07-28 19:02:09,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc8aac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:09, skipping insertion in model container [2020-07-28 19:02:09,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:09" (3/3) ... [2020-07-28 19:02:09,672 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product55.cil.c [2020-07-28 19:02:09,683 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:02:09,691 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:02:09,705 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:02:09,730 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:02:09,730 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:02:09,730 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:02:09,731 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:02:09,731 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:02:09,732 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:02:09,732 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:02:09,732 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:02:09,754 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-07-28 19:02:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:02:09,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:09,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:09,764 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:09,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:09,771 INFO L82 PathProgramCache]: Analyzing trace with hash -477478196, now seen corresponding path program 1 times [2020-07-28 19:02:09,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:09,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385921336] [2020-07-28 19:02:09,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:10,114 INFO L280 TraceCheckUtils]: 0: Hoare triple {200#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {200#true} is VALID [2020-07-28 19:02:10,115 INFO L280 TraceCheckUtils]: 1: Hoare triple {200#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~9, main_~tmp~3;havoc main_~retValue_acc~9;havoc main_~tmp~3; {200#true} is VALID [2020-07-28 19:02:10,115 INFO L280 TraceCheckUtils]: 2: Hoare triple {200#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {200#true} is VALID [2020-07-28 19:02:10,116 INFO L280 TraceCheckUtils]: 3: Hoare triple {200#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {200#true} is VALID [2020-07-28 19:02:10,116 INFO L280 TraceCheckUtils]: 4: Hoare triple {200#true} assume 0 != main_~tmp~3; {200#true} is VALID [2020-07-28 19:02:10,117 INFO L280 TraceCheckUtils]: 5: Hoare triple {200#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {200#true} is VALID [2020-07-28 19:02:10,118 INFO L280 TraceCheckUtils]: 6: Hoare triple {200#true} assume false; {201#false} is VALID [2020-07-28 19:02:10,119 INFO L280 TraceCheckUtils]: 7: Hoare triple {201#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {201#false} is VALID [2020-07-28 19:02:10,119 INFO L280 TraceCheckUtils]: 8: Hoare triple {201#false} assume !(0 != ~pumpRunning~0); {201#false} is VALID [2020-07-28 19:02:10,120 INFO L280 TraceCheckUtils]: 9: Hoare triple {201#false} assume !(0 != ~systemActive~0); {201#false} is VALID [2020-07-28 19:02:10,120 INFO L280 TraceCheckUtils]: 10: Hoare triple {201#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {201#false} is VALID [2020-07-28 19:02:10,121 INFO L280 TraceCheckUtils]: 11: Hoare triple {201#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {201#false} is VALID [2020-07-28 19:02:10,121 INFO L280 TraceCheckUtils]: 12: Hoare triple {201#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {201#false} is VALID [2020-07-28 19:02:10,122 INFO L280 TraceCheckUtils]: 13: Hoare triple {201#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {201#false} is VALID [2020-07-28 19:02:10,122 INFO L280 TraceCheckUtils]: 14: Hoare triple {201#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {201#false} is VALID [2020-07-28 19:02:10,122 INFO L280 TraceCheckUtils]: 15: Hoare triple {201#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {201#false} is VALID [2020-07-28 19:02:10,123 INFO L280 TraceCheckUtils]: 16: Hoare triple {201#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {201#false} is VALID [2020-07-28 19:02:10,124 INFO L280 TraceCheckUtils]: 17: Hoare triple {201#false} assume !false; {201#false} is VALID [2020-07-28 19:02:10,128 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 19:02:10,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385921336] [2020-07-28 19:02:10,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:10,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:10,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406208878] [2020-07-28 19:02:10,139 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:02:10,141 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:10,145 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:02:10,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:10,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:02:10,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:10,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:02:10,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:02:10,201 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 2 states. [2020-07-28 19:02:10,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:10,745 INFO L93 Difference]: Finished difference Result 388 states and 593 transitions. [2020-07-28 19:02:10,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:02:10,746 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:02:10,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 593 transitions. [2020-07-28 19:02:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 593 transitions. [2020-07-28 19:02:10,771 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 593 transitions. [2020-07-28 19:02:11,565 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 593 edges. 593 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:11,597 INFO L225 Difference]: With dead ends: 388 [2020-07-28 19:02:11,597 INFO L226 Difference]: Without dead ends: 193 [2020-07-28 19:02:11,605 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 19:02:11,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-28 19:02:11,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-07-28 19:02:11,677 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:11,678 INFO L82 GeneralOperation]: Start isEquivalent. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:11,679 INFO L74 IsIncluded]: Start isIncluded. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:11,679 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:11,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:11,691 INFO L93 Difference]: Finished difference Result 193 states and 288 transitions. [2020-07-28 19:02:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2020-07-28 19:02:11,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:11,694 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:11,694 INFO L74 IsIncluded]: Start isIncluded. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:11,694 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:11,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:11,705 INFO L93 Difference]: Finished difference Result 193 states and 288 transitions. [2020-07-28 19:02:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2020-07-28 19:02:11,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:11,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:11,708 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:11,708 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-28 19:02:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2020-07-28 19:02:11,721 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 18 [2020-07-28 19:02:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:11,722 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2020-07-28 19:02:11,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:02:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2020-07-28 19:02:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:02:11,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:11,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:11,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:02:11,725 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:11,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:11,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1388508949, now seen corresponding path program 1 times [2020-07-28 19:02:11,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:11,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288014311] [2020-07-28 19:02:11,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:11,870 INFO L280 TraceCheckUtils]: 0: Hoare triple {1379#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1379#true} is VALID [2020-07-28 19:02:11,870 INFO L280 TraceCheckUtils]: 1: Hoare triple {1379#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~9, main_~tmp~3;havoc main_~retValue_acc~9;havoc main_~tmp~3; {1379#true} is VALID [2020-07-28 19:02:11,870 INFO L280 TraceCheckUtils]: 2: Hoare triple {1379#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1379#true} is VALID [2020-07-28 19:02:11,871 INFO L280 TraceCheckUtils]: 3: Hoare triple {1379#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {1379#true} is VALID [2020-07-28 19:02:11,871 INFO L280 TraceCheckUtils]: 4: Hoare triple {1379#true} assume 0 != main_~tmp~3; {1379#true} is VALID [2020-07-28 19:02:11,873 INFO L280 TraceCheckUtils]: 5: Hoare triple {1379#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1381#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:11,874 INFO L280 TraceCheckUtils]: 6: Hoare triple {1381#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1381#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:11,874 INFO L280 TraceCheckUtils]: 7: Hoare triple {1381#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1380#false} is VALID [2020-07-28 19:02:11,875 INFO L280 TraceCheckUtils]: 8: Hoare triple {1380#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1380#false} is VALID [2020-07-28 19:02:11,875 INFO L280 TraceCheckUtils]: 9: Hoare triple {1380#false} assume !(0 != ~pumpRunning~0); {1380#false} is VALID [2020-07-28 19:02:11,875 INFO L280 TraceCheckUtils]: 10: Hoare triple {1380#false} assume !(0 != ~systemActive~0); {1380#false} is VALID [2020-07-28 19:02:11,876 INFO L280 TraceCheckUtils]: 11: Hoare triple {1380#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {1380#false} is VALID [2020-07-28 19:02:11,876 INFO L280 TraceCheckUtils]: 12: Hoare triple {1380#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {1380#false} is VALID [2020-07-28 19:02:11,876 INFO L280 TraceCheckUtils]: 13: Hoare triple {1380#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {1380#false} is VALID [2020-07-28 19:02:11,876 INFO L280 TraceCheckUtils]: 14: Hoare triple {1380#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {1380#false} is VALID [2020-07-28 19:02:11,877 INFO L280 TraceCheckUtils]: 15: Hoare triple {1380#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {1380#false} is VALID [2020-07-28 19:02:11,877 INFO L280 TraceCheckUtils]: 16: Hoare triple {1380#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {1380#false} is VALID [2020-07-28 19:02:11,877 INFO L280 TraceCheckUtils]: 17: Hoare triple {1380#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1380#false} is VALID [2020-07-28 19:02:11,877 INFO L280 TraceCheckUtils]: 18: Hoare triple {1380#false} assume !false; {1380#false} is VALID [2020-07-28 19:02:11,879 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 19:02:11,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288014311] [2020-07-28 19:02:11,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:11,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:02:11,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775247920] [2020-07-28 19:02:11,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:02:11,882 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:11,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:11,912 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:11,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:11,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:11,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:11,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:11,913 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand 3 states. [2020-07-28 19:02:12,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:12,278 INFO L93 Difference]: Finished difference Result 193 states and 288 transitions. [2020-07-28 19:02:12,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:12,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:02:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2020-07-28 19:02:12,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:12,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2020-07-28 19:02:12,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 288 transitions. [2020-07-28 19:02:12,603 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 288 edges. 288 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:12,605 INFO L225 Difference]: With dead ends: 193 [2020-07-28 19:02:12,605 INFO L226 Difference]: Without dead ends: 75 [2020-07-28 19:02:12,607 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 19:02:12,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-28 19:02:12,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-07-28 19:02:12,647 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:12,648 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:12,648 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:12,648 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:12,652 INFO L93 Difference]: Finished difference Result 75 states and 111 transitions. [2020-07-28 19:02:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:02:12,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:12,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:12,653 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:12,654 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:12,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:12,657 INFO L93 Difference]: Finished difference Result 75 states and 111 transitions. [2020-07-28 19:02:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:02:12,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:12,658 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:12,658 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:12,658 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-28 19:02:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2020-07-28 19:02:12,662 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2020-07-28 19:02:12,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:12,662 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2020-07-28 19:02:12,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:02:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:02:12,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:12,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:12,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:02:12,664 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:12,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:12,665 INFO L82 PathProgramCache]: Analyzing trace with hash -521457096, now seen corresponding path program 1 times [2020-07-28 19:02:12,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:12,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319042423] [2020-07-28 19:02:12,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:12,761 INFO L280 TraceCheckUtils]: 0: Hoare triple {1898#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,762 INFO L280 TraceCheckUtils]: 1: Hoare triple {1900#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~9, main_~tmp~3;havoc main_~retValue_acc~9;havoc main_~tmp~3; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,763 INFO L280 TraceCheckUtils]: 2: Hoare triple {1900#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,764 INFO L280 TraceCheckUtils]: 3: Hoare triple {1900#(= 1 ~systemActive~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,765 INFO L280 TraceCheckUtils]: 4: Hoare triple {1900#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,766 INFO L280 TraceCheckUtils]: 5: Hoare triple {1900#(= 1 ~systemActive~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,767 INFO L280 TraceCheckUtils]: 6: Hoare triple {1900#(= 1 ~systemActive~0)} assume !false; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,768 INFO L280 TraceCheckUtils]: 7: Hoare triple {1900#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,768 INFO L280 TraceCheckUtils]: 8: Hoare triple {1900#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,769 INFO L280 TraceCheckUtils]: 9: Hoare triple {1900#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~10); {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,770 INFO L280 TraceCheckUtils]: 10: Hoare triple {1900#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,770 INFO L280 TraceCheckUtils]: 11: Hoare triple {1900#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~3); {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,771 INFO L280 TraceCheckUtils]: 12: Hoare triple {1900#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,772 INFO L280 TraceCheckUtils]: 13: Hoare triple {1900#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,773 INFO L280 TraceCheckUtils]: 14: Hoare triple {1900#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1900#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:12,773 INFO L280 TraceCheckUtils]: 15: Hoare triple {1900#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1899#false} is VALID [2020-07-28 19:02:12,774 INFO L280 TraceCheckUtils]: 16: Hoare triple {1899#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {1899#false} is VALID [2020-07-28 19:02:12,774 INFO L280 TraceCheckUtils]: 17: Hoare triple {1899#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {1899#false} is VALID [2020-07-28 19:02:12,774 INFO L280 TraceCheckUtils]: 18: Hoare triple {1899#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {1899#false} is VALID [2020-07-28 19:02:12,775 INFO L280 TraceCheckUtils]: 19: Hoare triple {1899#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {1899#false} is VALID [2020-07-28 19:02:12,775 INFO L280 TraceCheckUtils]: 20: Hoare triple {1899#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {1899#false} is VALID [2020-07-28 19:02:12,776 INFO L280 TraceCheckUtils]: 21: Hoare triple {1899#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {1899#false} is VALID [2020-07-28 19:02:12,776 INFO L280 TraceCheckUtils]: 22: Hoare triple {1899#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1899#false} is VALID [2020-07-28 19:02:12,776 INFO L280 TraceCheckUtils]: 23: Hoare triple {1899#false} assume !false; {1899#false} is VALID [2020-07-28 19:02:12,777 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 19:02:12,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319042423] [2020-07-28 19:02:12,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:12,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:12,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085244724] [2020-07-28 19:02:12,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:02:12,779 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:12,780 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:12,813 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:12,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:12,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:12,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:12,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:12,815 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand 3 states. [2020-07-28 19:02:13,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:13,125 INFO L93 Difference]: Finished difference Result 213 states and 321 transitions. [2020-07-28 19:02:13,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:13,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:02:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:13,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2020-07-28 19:02:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2020-07-28 19:02:13,140 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 321 transitions. [2020-07-28 19:02:13,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 321 edges. 321 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:13,559 INFO L225 Difference]: With dead ends: 213 [2020-07-28 19:02:13,560 INFO L226 Difference]: Without dead ends: 144 [2020-07-28 19:02:13,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:02:13,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-28 19:02:13,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2020-07-28 19:02:13,673 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:13,673 INFO L82 GeneralOperation]: Start isEquivalent. First operand 144 states. Second operand 140 states. [2020-07-28 19:02:13,673 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 140 states. [2020-07-28 19:02:13,674 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 140 states. [2020-07-28 19:02:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:13,685 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 19:02:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 215 transitions. [2020-07-28 19:02:13,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:13,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:13,687 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 144 states. [2020-07-28 19:02:13,687 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 144 states. [2020-07-28 19:02:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:13,693 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 19:02:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 215 transitions. [2020-07-28 19:02:13,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:13,694 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:13,694 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:13,694 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-28 19:02:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 211 transitions. [2020-07-28 19:02:13,720 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 211 transitions. Word has length 24 [2020-07-28 19:02:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:13,720 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 211 transitions. [2020-07-28 19:02:13,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 211 transitions. [2020-07-28 19:02:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:02:13,722 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:13,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:13,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:02:13,723 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:13,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:13,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1870578463, now seen corresponding path program 1 times [2020-07-28 19:02:13,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:13,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167867653] [2020-07-28 19:02:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:13,844 INFO L280 TraceCheckUtils]: 0: Hoare triple {2669#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,845 INFO L280 TraceCheckUtils]: 1: Hoare triple {2671#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~9, main_~tmp~3;havoc main_~retValue_acc~9;havoc main_~tmp~3; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,846 INFO L280 TraceCheckUtils]: 2: Hoare triple {2671#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,846 INFO L280 TraceCheckUtils]: 3: Hoare triple {2671#(= 0 ~pumpRunning~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,848 INFO L280 TraceCheckUtils]: 4: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,848 INFO L280 TraceCheckUtils]: 5: Hoare triple {2671#(= 0 ~pumpRunning~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,849 INFO L280 TraceCheckUtils]: 6: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume !false; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,850 INFO L280 TraceCheckUtils]: 7: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,850 INFO L280 TraceCheckUtils]: 8: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,851 INFO L280 TraceCheckUtils]: 9: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~10); {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,851 INFO L280 TraceCheckUtils]: 10: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,852 INFO L280 TraceCheckUtils]: 11: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,853 INFO L280 TraceCheckUtils]: 12: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,853 INFO L280 TraceCheckUtils]: 13: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,854 INFO L280 TraceCheckUtils]: 14: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,854 INFO L280 TraceCheckUtils]: 15: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,859 INFO L280 TraceCheckUtils]: 16: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,859 INFO L280 TraceCheckUtils]: 17: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {2671#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:13,860 INFO L280 TraceCheckUtils]: 18: Hoare triple {2671#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {2670#false} is VALID [2020-07-28 19:02:13,860 INFO L280 TraceCheckUtils]: 19: Hoare triple {2670#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {2670#false} is VALID [2020-07-28 19:02:13,860 INFO L280 TraceCheckUtils]: 20: Hoare triple {2670#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {2670#false} is VALID [2020-07-28 19:02:13,861 INFO L280 TraceCheckUtils]: 21: Hoare triple {2670#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {2670#false} is VALID [2020-07-28 19:02:13,861 INFO L280 TraceCheckUtils]: 22: Hoare triple {2670#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {2670#false} is VALID [2020-07-28 19:02:13,861 INFO L280 TraceCheckUtils]: 23: Hoare triple {2670#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {2670#false} is VALID [2020-07-28 19:02:13,861 INFO L280 TraceCheckUtils]: 24: Hoare triple {2670#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {2670#false} is VALID [2020-07-28 19:02:13,862 INFO L280 TraceCheckUtils]: 25: Hoare triple {2670#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {2670#false} is VALID [2020-07-28 19:02:13,862 INFO L280 TraceCheckUtils]: 26: Hoare triple {2670#false} assume !false; {2670#false} is VALID [2020-07-28 19:02:13,863 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 19:02:13,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167867653] [2020-07-28 19:02:13,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:13,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:13,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568204259] [2020-07-28 19:02:13,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:02:13,864 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:13,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:13,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:13,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:13,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:13,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:13,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:13,911 INFO L87 Difference]: Start difference. First operand 140 states and 211 transitions. Second operand 3 states. [2020-07-28 19:02:14,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:14,286 INFO L93 Difference]: Finished difference Result 295 states and 448 transitions. [2020-07-28 19:02:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:14,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:02:14,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2020-07-28 19:02:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2020-07-28 19:02:14,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 234 transitions. [2020-07-28 19:02:14,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:14,560 INFO L225 Difference]: With dead ends: 295 [2020-07-28 19:02:14,561 INFO L226 Difference]: Without dead ends: 161 [2020-07-28 19:02:14,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:02:14,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-07-28 19:02:14,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2020-07-28 19:02:14,678 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:14,678 INFO L82 GeneralOperation]: Start isEquivalent. First operand 161 states. Second operand 159 states. [2020-07-28 19:02:14,679 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand 159 states. [2020-07-28 19:02:14,679 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 159 states. [2020-07-28 19:02:14,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:14,684 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2020-07-28 19:02:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 232 transitions. [2020-07-28 19:02:14,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:14,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:14,685 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand 161 states. [2020-07-28 19:02:14,685 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 161 states. [2020-07-28 19:02:14,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:14,690 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2020-07-28 19:02:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 232 transitions. [2020-07-28 19:02:14,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:14,691 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:14,691 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:14,691 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-28 19:02:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 231 transitions. [2020-07-28 19:02:14,697 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 231 transitions. Word has length 27 [2020-07-28 19:02:14,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:14,697 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 231 transitions. [2020-07-28 19:02:14,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 231 transitions. [2020-07-28 19:02:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:02:14,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:14,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:14,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:02:14,698 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:14,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:14,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1382032589, now seen corresponding path program 1 times [2020-07-28 19:02:14,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:14,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63830355] [2020-07-28 19:02:14,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:14,852 INFO L280 TraceCheckUtils]: 0: Hoare triple {3617#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,853 INFO L280 TraceCheckUtils]: 1: Hoare triple {3619#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~9, main_~tmp~3;havoc main_~retValue_acc~9;havoc main_~tmp~3; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,854 INFO L280 TraceCheckUtils]: 2: Hoare triple {3619#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,855 INFO L280 TraceCheckUtils]: 3: Hoare triple {3619#(= 1 ~waterLevel~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,856 INFO L280 TraceCheckUtils]: 4: Hoare triple {3619#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,857 INFO L280 TraceCheckUtils]: 5: Hoare triple {3619#(= 1 ~waterLevel~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,857 INFO L280 TraceCheckUtils]: 6: Hoare triple {3619#(= 1 ~waterLevel~0)} assume !false; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,858 INFO L280 TraceCheckUtils]: 7: Hoare triple {3619#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,859 INFO L280 TraceCheckUtils]: 8: Hoare triple {3619#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,860 INFO L280 TraceCheckUtils]: 9: Hoare triple {3619#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~10); {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,861 INFO L280 TraceCheckUtils]: 10: Hoare triple {3619#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,861 INFO L280 TraceCheckUtils]: 11: Hoare triple {3619#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,862 INFO L280 TraceCheckUtils]: 12: Hoare triple {3619#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,863 INFO L280 TraceCheckUtils]: 13: Hoare triple {3619#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet75 && test_#t~nondet75 <= 2147483647;test_~tmp___1~1 := test_#t~nondet75;havoc test_#t~nondet75; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,864 INFO L280 TraceCheckUtils]: 14: Hoare triple {3619#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~1; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,865 INFO L280 TraceCheckUtils]: 15: Hoare triple {3619#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,865 INFO L280 TraceCheckUtils]: 16: Hoare triple {3619#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,866 INFO L280 TraceCheckUtils]: 17: Hoare triple {3619#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,867 INFO L280 TraceCheckUtils]: 18: Hoare triple {3619#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,868 INFO L280 TraceCheckUtils]: 19: Hoare triple {3619#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,868 INFO L280 TraceCheckUtils]: 20: Hoare triple {3619#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {3619#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:14,869 INFO L280 TraceCheckUtils]: 21: Hoare triple {3619#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {3620#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:02:14,870 INFO L280 TraceCheckUtils]: 22: Hoare triple {3620#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {3621#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)} is VALID [2020-07-28 19:02:14,872 INFO L280 TraceCheckUtils]: 23: Hoare triple {3621#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {3618#false} is VALID [2020-07-28 19:02:14,872 INFO L280 TraceCheckUtils]: 24: Hoare triple {3618#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {3618#false} is VALID [2020-07-28 19:02:14,872 INFO L280 TraceCheckUtils]: 25: Hoare triple {3618#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {3618#false} is VALID [2020-07-28 19:02:14,873 INFO L280 TraceCheckUtils]: 26: Hoare triple {3618#false} assume !false; {3618#false} is VALID [2020-07-28 19:02:14,874 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 19:02:14,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63830355] [2020-07-28 19:02:14,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:14,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:02:14,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726698513] [2020-07-28 19:02:14,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:14,876 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:14,876 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:14,914 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:14,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:14,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:14,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:14,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:14,915 INFO L87 Difference]: Start difference. First operand 159 states and 231 transitions. Second operand 5 states. [2020-07-28 19:02:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:16,430 INFO L93 Difference]: Finished difference Result 809 states and 1191 transitions. [2020-07-28 19:02:16,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:02:16,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:16,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 444 transitions. [2020-07-28 19:02:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 444 transitions. [2020-07-28 19:02:16,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 444 transitions. [2020-07-28 19:02:17,022 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 444 edges. 444 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:17,060 INFO L225 Difference]: With dead ends: 809 [2020-07-28 19:02:17,060 INFO L226 Difference]: Without dead ends: 656 [2020-07-28 19:02:17,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:17,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-07-28 19:02:17,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 252. [2020-07-28 19:02:17,390 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:17,390 INFO L82 GeneralOperation]: Start isEquivalent. First operand 656 states. Second operand 252 states. [2020-07-28 19:02:17,390 INFO L74 IsIncluded]: Start isIncluded. First operand 656 states. Second operand 252 states. [2020-07-28 19:02:17,391 INFO L87 Difference]: Start difference. First operand 656 states. Second operand 252 states. [2020-07-28 19:02:17,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:17,417 INFO L93 Difference]: Finished difference Result 656 states and 938 transitions. [2020-07-28 19:02:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 938 transitions. [2020-07-28 19:02:17,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:17,425 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:17,426 INFO L74 IsIncluded]: Start isIncluded. First operand 252 states. Second operand 656 states. [2020-07-28 19:02:17,426 INFO L87 Difference]: Start difference. First operand 252 states. Second operand 656 states. [2020-07-28 19:02:17,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:17,453 INFO L93 Difference]: Finished difference Result 656 states and 938 transitions. [2020-07-28 19:02:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 938 transitions. [2020-07-28 19:02:17,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:17,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:17,456 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:17,456 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-07-28 19:02:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 356 transitions. [2020-07-28 19:02:17,463 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 356 transitions. Word has length 27 [2020-07-28 19:02:17,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:17,465 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 356 transitions. [2020-07-28 19:02:17,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 356 transitions. [2020-07-28 19:02:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:02:17,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:17,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:17,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:02:17,467 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:17,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:17,467 INFO L82 PathProgramCache]: Analyzing trace with hash -318231153, now seen corresponding path program 1 times [2020-07-28 19:02:17,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:17,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520072343] [2020-07-28 19:02:17,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:17,519 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:17,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:17,608 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:02:17,609 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:02:17,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:02:17,720 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:02:17,721 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:02:17,721 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:02:17,721 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 19:02:17,721 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-28 19:02:17,721 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-28 19:02:17,721 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-28 19:02:17,722 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2020-07-28 19:02:17,722 WARN L170 areAnnotationChecker]: L921-1 has no Hoare annotation [2020-07-28 19:02:17,722 WARN L170 areAnnotationChecker]: L921-1 has no Hoare annotation [2020-07-28 19:02:17,722 WARN L170 areAnnotationChecker]: L921-1 has no Hoare annotation [2020-07-28 19:02:17,722 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-28 19:02:17,723 WARN L170 areAnnotationChecker]: L998 has no Hoare annotation [2020-07-28 19:02:17,723 WARN L170 areAnnotationChecker]: L951 has no Hoare annotation [2020-07-28 19:02:17,723 WARN L170 areAnnotationChecker]: L951 has no Hoare annotation [2020-07-28 19:02:17,723 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:17,723 WARN L170 areAnnotationChecker]: L675-1 has no Hoare annotation [2020-07-28 19:02:17,723 WARN L170 areAnnotationChecker]: L675-1 has no Hoare annotation [2020-07-28 19:02:17,723 WARN L170 areAnnotationChecker]: L952 has no Hoare annotation [2020-07-28 19:02:17,724 WARN L170 areAnnotationChecker]: L92-3 has no Hoare annotation [2020-07-28 19:02:17,724 WARN L170 areAnnotationChecker]: L92-3 has no Hoare annotation [2020-07-28 19:02:17,724 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:02:17,724 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:02:17,724 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-28 19:02:17,724 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-28 19:02:17,725 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:02:17,725 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:02:17,725 WARN L170 areAnnotationChecker]: L682-1 has no Hoare annotation [2020-07-28 19:02:17,725 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:02:17,725 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:02:17,725 WARN L170 areAnnotationChecker]: L960-1 has no Hoare annotation [2020-07-28 19:02:17,726 WARN L170 areAnnotationChecker]: L129-2 has no Hoare annotation [2020-07-28 19:02:17,726 WARN L170 areAnnotationChecker]: L733-3 has no Hoare annotation [2020-07-28 19:02:17,726 WARN L170 areAnnotationChecker]: L733-3 has no Hoare annotation [2020-07-28 19:02:17,726 WARN L170 areAnnotationChecker]: L129-3 has no Hoare annotation [2020-07-28 19:02:17,726 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-28 19:02:17,726 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-28 19:02:17,727 WARN L170 areAnnotationChecker]: L803-1 has no Hoare annotation [2020-07-28 19:02:17,727 WARN L170 areAnnotationChecker]: L184-3 has no Hoare annotation [2020-07-28 19:02:17,727 WARN L170 areAnnotationChecker]: L707-7 has no Hoare annotation [2020-07-28 19:02:17,727 WARN L170 areAnnotationChecker]: L707-7 has no Hoare annotation [2020-07-28 19:02:17,727 WARN L170 areAnnotationChecker]: L915-2 has no Hoare annotation [2020-07-28 19:02:17,727 WARN L170 areAnnotationChecker]: L915-2 has no Hoare annotation [2020-07-28 19:02:17,728 WARN L170 areAnnotationChecker]: L116 has no Hoare annotation [2020-07-28 19:02:17,728 WARN L170 areAnnotationChecker]: L116 has no Hoare annotation [2020-07-28 19:02:17,728 WARN L170 areAnnotationChecker]: L970-1 has no Hoare annotation [2020-07-28 19:02:17,728 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:02:17,728 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:02:17,728 WARN L170 areAnnotationChecker]: L880-9 has no Hoare annotation [2020-07-28 19:02:17,729 WARN L170 areAnnotationChecker]: L880-9 has no Hoare annotation [2020-07-28 19:02:17,729 WARN L170 areAnnotationChecker]: L169-7 has no Hoare annotation [2020-07-28 19:02:17,729 WARN L170 areAnnotationChecker]: L169-7 has no Hoare annotation [2020-07-28 19:02:17,729 WARN L170 areAnnotationChecker]: L921-3 has no Hoare annotation [2020-07-28 19:02:17,729 WARN L170 areAnnotationChecker]: L161-1 has no Hoare annotation [2020-07-28 19:02:17,729 WARN L170 areAnnotationChecker]: L980 has no Hoare annotation [2020-07-28 19:02:17,730 WARN L170 areAnnotationChecker]: L980 has no Hoare annotation [2020-07-28 19:02:17,730 WARN L170 areAnnotationChecker]: L733-2 has no Hoare annotation [2020-07-28 19:02:17,730 WARN L170 areAnnotationChecker]: L733-2 has no Hoare annotation [2020-07-28 19:02:17,730 WARN L170 areAnnotationChecker]: L880-11 has no Hoare annotation [2020-07-28 19:02:17,730 WARN L170 areAnnotationChecker]: L174-7 has no Hoare annotation [2020-07-28 19:02:17,730 WARN L170 areAnnotationChecker]: L576-2 has no Hoare annotation [2020-07-28 19:02:17,731 WARN L170 areAnnotationChecker]: L576-2 has no Hoare annotation [2020-07-28 19:02:17,731 WARN L170 areAnnotationChecker]: L576-2 has no Hoare annotation [2020-07-28 19:02:17,731 WARN L170 areAnnotationChecker]: L921-2 has no Hoare annotation [2020-07-28 19:02:17,731 WARN L170 areAnnotationChecker]: L921-2 has no Hoare annotation [2020-07-28 19:02:17,731 WARN L170 areAnnotationChecker]: L986-1 has no Hoare annotation [2020-07-28 19:02:17,731 WARN L170 areAnnotationChecker]: L986-1 has no Hoare annotation [2020-07-28 19:02:17,732 WARN L170 areAnnotationChecker]: L986 has no Hoare annotation [2020-07-28 19:02:17,732 WARN L170 areAnnotationChecker]: L986 has no Hoare annotation [2020-07-28 19:02:17,732 WARN L170 areAnnotationChecker]: L184-2 has no Hoare annotation [2020-07-28 19:02:17,732 WARN L170 areAnnotationChecker]: L707-5 has no Hoare annotation [2020-07-28 19:02:17,732 WARN L170 areAnnotationChecker]: L707-5 has no Hoare annotation [2020-07-28 19:02:17,732 WARN L170 areAnnotationChecker]: L886-3 has no Hoare annotation [2020-07-28 19:02:17,733 WARN L170 areAnnotationChecker]: L861-21 has no Hoare annotation [2020-07-28 19:02:17,733 WARN L170 areAnnotationChecker]: L861-21 has no Hoare annotation [2020-07-28 19:02:17,733 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-28 19:02:17,733 WARN L170 areAnnotationChecker]: L812-1 has no Hoare annotation [2020-07-28 19:02:17,733 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-28 19:02:17,734 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-28 19:02:17,734 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:02:17,734 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:02:17,734 WARN L170 areAnnotationChecker]: L894 has no Hoare annotation [2020-07-28 19:02:17,734 WARN L170 areAnnotationChecker]: L894 has no Hoare annotation [2020-07-28 19:02:17,734 WARN L170 areAnnotationChecker]: L880-6 has no Hoare annotation [2020-07-28 19:02:17,735 WARN L170 areAnnotationChecker]: L880-6 has no Hoare annotation [2020-07-28 19:02:17,735 WARN L170 areAnnotationChecker]: L169-5 has no Hoare annotation [2020-07-28 19:02:17,735 WARN L170 areAnnotationChecker]: L169-5 has no Hoare annotation [2020-07-28 19:02:17,735 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:02:17,735 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:02:17,735 WARN L170 areAnnotationChecker]: L861-23 has no Hoare annotation [2020-07-28 19:02:17,736 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-28 19:02:17,736 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-28 19:02:17,736 WARN L170 areAnnotationChecker]: L925-2 has no Hoare annotation [2020-07-28 19:02:17,736 WARN L170 areAnnotationChecker]: L925-2 has no Hoare annotation [2020-07-28 19:02:17,736 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:02:17,736 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:02:17,737 WARN L170 areAnnotationChecker]: L682 has no Hoare annotation [2020-07-28 19:02:17,737 WARN L170 areAnnotationChecker]: L894-1 has no Hoare annotation [2020-07-28 19:02:17,737 WARN L170 areAnnotationChecker]: L880-8 has no Hoare annotation [2020-07-28 19:02:17,737 WARN L170 areAnnotationChecker]: L174-5 has no Hoare annotation [2020-07-28 19:02:17,737 WARN L170 areAnnotationChecker]: L707-6 has no Hoare annotation [2020-07-28 19:02:17,737 WARN L170 areAnnotationChecker]: L707-6 has no Hoare annotation [2020-07-28 19:02:17,738 WARN L170 areAnnotationChecker]: L867-7 has no Hoare annotation [2020-07-28 19:02:17,738 WARN L170 areAnnotationChecker]: L580-1 has no Hoare annotation [2020-07-28 19:02:17,738 WARN L170 areAnnotationChecker]: L580-1 has no Hoare annotation [2020-07-28 19:02:17,738 WARN L170 areAnnotationChecker]: L193-1 has no Hoare annotation [2020-07-28 19:02:17,738 WARN L170 areAnnotationChecker]: L193-1 has no Hoare annotation [2020-07-28 19:02:17,738 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-28 19:02:17,739 WARN L170 areAnnotationChecker]: L733-1 has no Hoare annotation [2020-07-28 19:02:17,739 WARN L170 areAnnotationChecker]: L733-1 has no Hoare annotation [2020-07-28 19:02:17,739 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-28 19:02:17,739 WARN L170 areAnnotationChecker]: L886-2 has no Hoare annotation [2020-07-28 19:02:17,739 WARN L170 areAnnotationChecker]: L861-15 has no Hoare annotation [2020-07-28 19:02:17,739 WARN L170 areAnnotationChecker]: L861-15 has no Hoare annotation [2020-07-28 19:02:17,740 WARN L170 areAnnotationChecker]: L169-6 has no Hoare annotation [2020-07-28 19:02:17,740 WARN L170 areAnnotationChecker]: L169-6 has no Hoare annotation [2020-07-28 19:02:17,740 WARN L170 areAnnotationChecker]: L711-7 has no Hoare annotation [2020-07-28 19:02:17,740 WARN L170 areAnnotationChecker]: L711-7 has no Hoare annotation [2020-07-28 19:02:17,740 WARN L170 areAnnotationChecker]: L92-6 has no Hoare annotation [2020-07-28 19:02:17,740 WARN L170 areAnnotationChecker]: L92-6 has no Hoare annotation [2020-07-28 19:02:17,741 WARN L170 areAnnotationChecker]: L675-3 has no Hoare annotation [2020-07-28 19:02:17,741 WARN L170 areAnnotationChecker]: L675-3 has no Hoare annotation [2020-07-28 19:02:17,741 WARN L170 areAnnotationChecker]: L803 has no Hoare annotation [2020-07-28 19:02:17,741 WARN L170 areAnnotationChecker]: L184-1 has no Hoare annotation [2020-07-28 19:02:17,741 WARN L170 areAnnotationChecker]: L707-3 has no Hoare annotation [2020-07-28 19:02:17,741 WARN L170 areAnnotationChecker]: L707-3 has no Hoare annotation [2020-07-28 19:02:17,742 WARN L170 areAnnotationChecker]: L915 has no Hoare annotation [2020-07-28 19:02:17,742 WARN L170 areAnnotationChecker]: L915 has no Hoare annotation [2020-07-28 19:02:17,742 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:02:17,742 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:02:17,742 WARN L170 areAnnotationChecker]: L861-17 has no Hoare annotation [2020-07-28 19:02:17,742 WARN L170 areAnnotationChecker]: L174-6 has no Hoare annotation [2020-07-28 19:02:17,743 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:02:17,743 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:02:17,743 WARN L170 areAnnotationChecker]: L682-2 has no Hoare annotation [2020-07-28 19:02:17,743 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:02:17,743 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:02:17,743 WARN L170 areAnnotationChecker]: L880-3 has no Hoare annotation [2020-07-28 19:02:17,744 WARN L170 areAnnotationChecker]: L880-3 has no Hoare annotation [2020-07-28 19:02:17,744 WARN L170 areAnnotationChecker]: L169-3 has no Hoare annotation [2020-07-28 19:02:17,744 WARN L170 areAnnotationChecker]: L169-3 has no Hoare annotation [2020-07-28 19:02:17,744 WARN L170 areAnnotationChecker]: L161 has no Hoare annotation [2020-07-28 19:02:17,744 WARN L170 areAnnotationChecker]: L707-4 has no Hoare annotation [2020-07-28 19:02:17,744 WARN L170 areAnnotationChecker]: L707-4 has no Hoare annotation [2020-07-28 19:02:17,745 WARN L170 areAnnotationChecker]: L867-5 has no Hoare annotation [2020-07-28 19:02:17,745 WARN L170 areAnnotationChecker]: L861-18 has no Hoare annotation [2020-07-28 19:02:17,745 WARN L170 areAnnotationChecker]: L861-18 has no Hoare annotation [2020-07-28 19:02:17,745 WARN L170 areAnnotationChecker]: L129-4 has no Hoare annotation [2020-07-28 19:02:17,745 WARN L170 areAnnotationChecker]: L733-5 has no Hoare annotation [2020-07-28 19:02:17,745 WARN L170 areAnnotationChecker]: L733-5 has no Hoare annotation [2020-07-28 19:02:17,746 WARN L170 areAnnotationChecker]: L129-5 has no Hoare annotation [2020-07-28 19:02:17,746 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-28 19:02:17,746 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-28 19:02:17,746 WARN L170 areAnnotationChecker]: L880-5 has no Hoare annotation [2020-07-28 19:02:17,746 WARN L170 areAnnotationChecker]: L174-3 has no Hoare annotation [2020-07-28 19:02:17,746 WARN L170 areAnnotationChecker]: L921 has no Hoare annotation [2020-07-28 19:02:17,747 WARN L170 areAnnotationChecker]: L921 has no Hoare annotation [2020-07-28 19:02:17,747 WARN L170 areAnnotationChecker]: L169-4 has no Hoare annotation [2020-07-28 19:02:17,747 WARN L170 areAnnotationChecker]: L169-4 has no Hoare annotation [2020-07-28 19:02:17,747 WARN L170 areAnnotationChecker]: L711-5 has no Hoare annotation [2020-07-28 19:02:17,747 WARN L170 areAnnotationChecker]: L711-5 has no Hoare annotation [2020-07-28 19:02:17,747 WARN L170 areAnnotationChecker]: L861-20 has no Hoare annotation [2020-07-28 19:02:17,748 WARN L170 areAnnotationChecker]: L803-2 has no Hoare annotation [2020-07-28 19:02:17,748 WARN L170 areAnnotationChecker]: L184-5 has no Hoare annotation [2020-07-28 19:02:17,748 WARN L170 areAnnotationChecker]: L707-11 has no Hoare annotation [2020-07-28 19:02:17,748 WARN L170 areAnnotationChecker]: L707-11 has no Hoare annotation [2020-07-28 19:02:17,748 WARN L170 areAnnotationChecker]: L915-4 has no Hoare annotation [2020-07-28 19:02:17,748 WARN L170 areAnnotationChecker]: L915-4 has no Hoare annotation [2020-07-28 19:02:17,748 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-28 19:02:17,749 WARN L170 areAnnotationChecker]: L707-1 has no Hoare annotation [2020-07-28 19:02:17,749 WARN L170 areAnnotationChecker]: L707-1 has no Hoare annotation [2020-07-28 19:02:17,749 WARN L170 areAnnotationChecker]: L886-1 has no Hoare annotation [2020-07-28 19:02:17,749 WARN L170 areAnnotationChecker]: L861-9 has no Hoare annotation [2020-07-28 19:02:17,749 WARN L170 areAnnotationChecker]: L861-9 has no Hoare annotation [2020-07-28 19:02:17,749 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:02:17,750 WARN L170 areAnnotationChecker]: L174-4 has no Hoare annotation [2020-07-28 19:02:17,750 WARN L170 areAnnotationChecker]: L867-6 has no Hoare annotation [2020-07-28 19:02:17,750 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:02:17,750 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:02:17,750 WARN L170 areAnnotationChecker]: L880-15 has no Hoare annotation [2020-07-28 19:02:17,750 WARN L170 areAnnotationChecker]: L880-15 has no Hoare annotation [2020-07-28 19:02:17,751 WARN L170 areAnnotationChecker]: L169-11 has no Hoare annotation [2020-07-28 19:02:17,751 WARN L170 areAnnotationChecker]: L169-11 has no Hoare annotation [2020-07-28 19:02:17,751 WARN L170 areAnnotationChecker]: L921-5 has no Hoare annotation [2020-07-28 19:02:17,751 WARN L170 areAnnotationChecker]: L161-2 has no Hoare annotation [2020-07-28 19:02:17,751 WARN L170 areAnnotationChecker]: L880 has no Hoare annotation [2020-07-28 19:02:17,751 WARN L170 areAnnotationChecker]: L880 has no Hoare annotation [2020-07-28 19:02:17,752 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2020-07-28 19:02:17,752 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2020-07-28 19:02:17,752 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:02:17,752 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:02:17,752 WARN L170 areAnnotationChecker]: L861-11 has no Hoare annotation [2020-07-28 19:02:17,752 WARN L170 areAnnotationChecker]: L925 has no Hoare annotation [2020-07-28 19:02:17,753 WARN L170 areAnnotationChecker]: L925 has no Hoare annotation [2020-07-28 19:02:17,753 WARN L170 areAnnotationChecker]: L861-12 has no Hoare annotation [2020-07-28 19:02:17,753 WARN L170 areAnnotationChecker]: L861-12 has no Hoare annotation [2020-07-28 19:02:17,753 WARN L170 areAnnotationChecker]: L711-6 has no Hoare annotation [2020-07-28 19:02:17,753 WARN L170 areAnnotationChecker]: L711-6 has no Hoare annotation [2020-07-28 19:02:17,753 WARN L170 areAnnotationChecker]: L733-4 has no Hoare annotation [2020-07-28 19:02:17,754 WARN L170 areAnnotationChecker]: L733-4 has no Hoare annotation [2020-07-28 19:02:17,754 WARN L170 areAnnotationChecker]: L880-17 has no Hoare annotation [2020-07-28 19:02:17,754 WARN L170 areAnnotationChecker]: L174-11 has no Hoare annotation [2020-07-28 19:02:17,754 WARN L170 areAnnotationChecker]: L921-4 has no Hoare annotation [2020-07-28 19:02:17,754 WARN L170 areAnnotationChecker]: L921-4 has no Hoare annotation [2020-07-28 19:02:17,755 WARN L170 areAnnotationChecker]: L880-2 has no Hoare annotation [2020-07-28 19:02:17,755 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-28 19:02:17,755 WARN L170 areAnnotationChecker]: L707-2 has no Hoare annotation [2020-07-28 19:02:17,755 WARN L170 areAnnotationChecker]: L707-2 has no Hoare annotation [2020-07-28 19:02:17,755 WARN L170 areAnnotationChecker]: L867-3 has no Hoare annotation [2020-07-28 19:02:17,756 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 19:02:17,756 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 19:02:17,756 WARN L170 areAnnotationChecker]: L861-14 has no Hoare annotation [2020-07-28 19:02:17,756 WARN L170 areAnnotationChecker]: L184-4 has no Hoare annotation [2020-07-28 19:02:17,756 WARN L170 areAnnotationChecker]: L707-9 has no Hoare annotation [2020-07-28 19:02:17,757 WARN L170 areAnnotationChecker]: L707-9 has no Hoare annotation [2020-07-28 19:02:17,757 WARN L170 areAnnotationChecker]: L886-5 has no Hoare annotation [2020-07-28 19:02:17,757 WARN L170 areAnnotationChecker]: L861-33 has no Hoare annotation [2020-07-28 19:02:17,757 WARN L170 areAnnotationChecker]: L861-33 has no Hoare annotation [2020-07-28 19:02:17,757 WARN L170 areAnnotationChecker]: L812-2 has no Hoare annotation [2020-07-28 19:02:17,758 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-28 19:02:17,758 WARN L170 areAnnotationChecker]: L861-3 has no Hoare annotation [2020-07-28 19:02:17,758 WARN L170 areAnnotationChecker]: L861-3 has no Hoare annotation [2020-07-28 19:02:17,758 WARN L170 areAnnotationChecker]: L169-2 has no Hoare annotation [2020-07-28 19:02:17,758 WARN L170 areAnnotationChecker]: L169-2 has no Hoare annotation [2020-07-28 19:02:17,759 WARN L170 areAnnotationChecker]: L711-3 has no Hoare annotation [2020-07-28 19:02:17,759 WARN L170 areAnnotationChecker]: L711-3 has no Hoare annotation [2020-07-28 19:02:17,759 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 19:02:17,759 WARN L170 areAnnotationChecker]: L880-12 has no Hoare annotation [2020-07-28 19:02:17,759 WARN L170 areAnnotationChecker]: L880-12 has no Hoare annotation [2020-07-28 19:02:17,759 WARN L170 areAnnotationChecker]: L169-9 has no Hoare annotation [2020-07-28 19:02:17,760 WARN L170 areAnnotationChecker]: L169-9 has no Hoare annotation [2020-07-28 19:02:17,760 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:02:17,760 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:02:17,760 WARN L170 areAnnotationChecker]: L861-35 has no Hoare annotation [2020-07-28 19:02:17,760 WARN L170 areAnnotationChecker]: L925-4 has no Hoare annotation [2020-07-28 19:02:17,761 WARN L170 areAnnotationChecker]: L925-4 has no Hoare annotation [2020-07-28 19:02:17,761 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:02:17,761 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:02:17,761 WARN L170 areAnnotationChecker]: L861-5 has no Hoare annotation [2020-07-28 19:02:17,761 WARN L170 areAnnotationChecker]: L174-2 has no Hoare annotation [2020-07-28 19:02:17,762 WARN L170 areAnnotationChecker]: L711-4 has no Hoare annotation [2020-07-28 19:02:17,762 WARN L170 areAnnotationChecker]: L711-4 has no Hoare annotation [2020-07-28 19:02:17,762 WARN L170 areAnnotationChecker]: L880-14 has no Hoare annotation [2020-07-28 19:02:17,762 WARN L170 areAnnotationChecker]: L174-9 has no Hoare annotation [2020-07-28 19:02:17,762 WARN L170 areAnnotationChecker]: L707-10 has no Hoare annotation [2020-07-28 19:02:17,762 WARN L170 areAnnotationChecker]: L707-10 has no Hoare annotation [2020-07-28 19:02:17,763 WARN L170 areAnnotationChecker]: L867-11 has no Hoare annotation [2020-07-28 19:02:17,763 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 19:02:17,763 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 19:02:17,763 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-28 19:02:17,763 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-28 19:02:17,763 WARN L170 areAnnotationChecker]: L867-1 has no Hoare annotation [2020-07-28 19:02:17,764 WARN L170 areAnnotationChecker]: L861-6 has no Hoare annotation [2020-07-28 19:02:17,764 WARN L170 areAnnotationChecker]: L861-6 has no Hoare annotation [2020-07-28 19:02:17,764 WARN L170 areAnnotationChecker]: L886-4 has no Hoare annotation [2020-07-28 19:02:17,764 WARN L170 areAnnotationChecker]: L861-27 has no Hoare annotation [2020-07-28 19:02:17,764 WARN L170 areAnnotationChecker]: L861-27 has no Hoare annotation [2020-07-28 19:02:17,765 WARN L170 areAnnotationChecker]: L169-10 has no Hoare annotation [2020-07-28 19:02:17,765 WARN L170 areAnnotationChecker]: L169-10 has no Hoare annotation [2020-07-28 19:02:17,765 WARN L170 areAnnotationChecker]: L711-11 has no Hoare annotation [2020-07-28 19:02:17,765 WARN L170 areAnnotationChecker]: L711-11 has no Hoare annotation [2020-07-28 19:02:17,765 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 19:02:17,765 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 19:02:17,766 WARN L170 areAnnotationChecker]: L711-1 has no Hoare annotation [2020-07-28 19:02:17,766 WARN L170 areAnnotationChecker]: L711-1 has no Hoare annotation [2020-07-28 19:02:17,766 WARN L170 areAnnotationChecker]: L861-8 has no Hoare annotation [2020-07-28 19:02:17,766 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:02:17,766 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:02:17,766 WARN L170 areAnnotationChecker]: L861-29 has no Hoare annotation [2020-07-28 19:02:17,767 WARN L170 areAnnotationChecker]: L174-10 has no Hoare annotation [2020-07-28 19:02:17,767 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-28 19:02:17,767 WARN L170 areAnnotationChecker]: L867-2 has no Hoare annotation [2020-07-28 19:02:17,767 WARN L170 areAnnotationChecker]: L707-8 has no Hoare annotation [2020-07-28 19:02:17,767 WARN L170 areAnnotationChecker]: L707-8 has no Hoare annotation [2020-07-28 19:02:17,767 WARN L170 areAnnotationChecker]: L867-9 has no Hoare annotation [2020-07-28 19:02:17,768 WARN L170 areAnnotationChecker]: L861-30 has no Hoare annotation [2020-07-28 19:02:17,768 WARN L170 areAnnotationChecker]: L861-30 has no Hoare annotation [2020-07-28 19:02:17,768 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 19:02:17,768 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 19:02:17,768 WARN L170 areAnnotationChecker]: L711-2 has no Hoare annotation [2020-07-28 19:02:17,768 WARN L170 areAnnotationChecker]: L711-2 has no Hoare annotation [2020-07-28 19:02:17,769 WARN L170 areAnnotationChecker]: L169-8 has no Hoare annotation [2020-07-28 19:02:17,769 WARN L170 areAnnotationChecker]: L169-8 has no Hoare annotation [2020-07-28 19:02:17,769 WARN L170 areAnnotationChecker]: L711-9 has no Hoare annotation [2020-07-28 19:02:17,769 WARN L170 areAnnotationChecker]: L711-9 has no Hoare annotation [2020-07-28 19:02:17,769 WARN L170 areAnnotationChecker]: L861-32 has no Hoare annotation [2020-07-28 19:02:17,769 WARN L170 areAnnotationChecker]: L861-2 has no Hoare annotation [2020-07-28 19:02:17,770 WARN L170 areAnnotationChecker]: L174-8 has no Hoare annotation [2020-07-28 19:02:17,770 WARN L170 areAnnotationChecker]: L867-10 has no Hoare annotation [2020-07-28 19:02:17,770 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 19:02:17,770 WARN L170 areAnnotationChecker]: L861-24 has no Hoare annotation [2020-07-28 19:02:17,770 WARN L170 areAnnotationChecker]: L861-24 has no Hoare annotation [2020-07-28 19:02:17,770 WARN L170 areAnnotationChecker]: L711-10 has no Hoare annotation [2020-07-28 19:02:17,771 WARN L170 areAnnotationChecker]: L711-10 has no Hoare annotation [2020-07-28 19:02:17,771 WARN L170 areAnnotationChecker]: L711 has no Hoare annotation [2020-07-28 19:02:17,771 WARN L170 areAnnotationChecker]: L711 has no Hoare annotation [2020-07-28 19:02:17,771 WARN L170 areAnnotationChecker]: L861-26 has no Hoare annotation [2020-07-28 19:02:17,771 WARN L170 areAnnotationChecker]: L867-8 has no Hoare annotation [2020-07-28 19:02:17,771 WARN L170 areAnnotationChecker]: L711-8 has no Hoare annotation [2020-07-28 19:02:17,772 WARN L170 areAnnotationChecker]: L711-8 has no Hoare annotation [2020-07-28 19:02:17,772 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:02:17,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:02:17 BoogieIcfgContainer [2020-07-28 19:02:17,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:02:17,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:02:17,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:02:17,776 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:02:17,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:09" (3/4) ... [2020-07-28 19:02:17,779 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:02:17,889 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:02:17,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:02:17,893 INFO L168 Benchmark]: Toolchain (without parser) took 11551.72 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.8 MB). Free memory was 958.9 MB in the beginning and 1.2 GB in the end (delta: -255.3 MB). Peak memory consumption was 75.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:17,893 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:17,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:17,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.81 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 19:02:17,895 INFO L168 Benchmark]: Boogie Preprocessor took 128.48 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:17,895 INFO L168 Benchmark]: RCFGBuilder took 2344.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 857.6 MB in the end (delta: 232.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:17,896 INFO L168 Benchmark]: TraceAbstraction took 8111.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 857.6 MB in the beginning and 1.2 GB in the end (delta: -385.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:17,897 INFO L168 Benchmark]: Witness Printer took 114.23 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:17,899 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 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 727.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.81 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 128.48 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2344.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 857.6 MB in the end (delta: 232.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8111.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 857.6 MB in the beginning and 1.2 GB in the end (delta: -385.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 114.23 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 193]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L564] int cleanupTimeShifts = 4; [L667] int pumpRunning = 0; [L668] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L640] int retValue_acc ; [L641] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L647] tmp = valid_product() [L649] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L941] int splverifierCounter ; [L942] int tmp ; [L943] int tmp___0 ; [L944] int tmp___1 ; [L945] int tmp___2 ; [L948] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L950] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L952] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] tmp = __VERIFIER_nondet_int() [L960] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L968] tmp___0 = __VERIFIER_nondet_int() [L970] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L978] tmp___2 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___2)) [L984] tmp___1 = __VERIFIER_nondet_int() [L986] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L901] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L675] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L682] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L907] int tmp ; [L908] int tmp___0 ; [L909] int tmp___1 ; [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L913] tmp = isMethaneLevelCritical() [L915] COND FALSE !(\read(tmp)) [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L919] tmp___0 = getWaterLevel() [L921] COND TRUE tmp___0 == 2 [L808] int retValue_acc ; [L811] retValue_acc = pumpRunning [L812] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L923] tmp___1 = isPumpRunning() [L925] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L193] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 197 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 753 SDtfs, 586 SDslu, 523 SDs, 0 SdLazy, 73 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 410 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 5388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...