./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product56.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_product56.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 525453629ce87b69ed1d4100e13fdb9e0c8a872a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:02:06,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:02:06,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:02:06,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:02:06,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:02:06,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:02:06,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:02:06,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:02:06,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:02:06,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:02:06,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:02:06,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:02:06,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:02:06,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:02:06,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:02:06,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:02:06,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:02:06,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:02:06,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:02:06,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:02:06,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:02:06,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:02:06,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:02:06,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:02:06,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:02:06,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:02:06,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:02:06,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:02:06,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:02:06,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:02:06,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:02:06,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:02:06,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:02:06,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:02:06,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:02:06,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:02:06,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:02:06,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:02:06,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:02:06,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:02:06,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:02:06,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:02:06,715 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:02:06,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:02:06,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:02:06,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:02:06,717 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:02:06,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:02:06,718 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:02:06,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:02:06,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:02:06,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:02:06,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:02:06,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:02:06,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:02:06,719 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:02:06,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:02:06,720 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:02:06,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:02:06,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:02:06,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:02:06,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:02:06,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:02:06,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:06,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:02:06,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:02:06,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:02:06,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:02:06,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:02:06,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:02:06,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:02:06,723 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 -> 525453629ce87b69ed1d4100e13fdb9e0c8a872a [2020-07-28 19:02:07,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:02:07,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:02:07,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:02:07,062 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:02:07,063 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:02:07,063 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c [2020-07-28 19:02:07,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0acf567/7e0f2019ec8a43dfb9725f66c3ddadb8/FLAG8f809767a [2020-07-28 19:02:07,691 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:02:07,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c [2020-07-28 19:02:07,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0acf567/7e0f2019ec8a43dfb9725f66c3ddadb8/FLAG8f809767a [2020-07-28 19:02:07,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0acf567/7e0f2019ec8a43dfb9725f66c3ddadb8 [2020-07-28 19:02:07,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:02:07,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:02:07,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:07,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:02:07,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:02:07,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:07,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8781850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:07, skipping insertion in model container [2020-07-28 19:02:07,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:07" (1/1) ... [2020-07-28 19:02:08,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:02:08,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:02:08,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:08,516 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:02:08,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:08,654 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:02:08,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08 WrapperNode [2020-07-28 19:02:08,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:08,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:08,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:02:08,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:02:08,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:08,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:02:08,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:02:08,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:02:08,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (1/1) ... [2020-07-28 19:02:08,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:02:08,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:02:08,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:02:08,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:02:08,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (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 19:02:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:02:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:02:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:02:08,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:02:11,111 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:02:11,111 INFO L295 CfgBuilder]: Removed 288 assume(true) statements. [2020-07-28 19:02:11,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:11 BoogieIcfgContainer [2020-07-28 19:02:11,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:02:11,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:02:11,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:02:11,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:02:11,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:02:07" (1/3) ... [2020-07-28 19:02:11,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af097b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:11, skipping insertion in model container [2020-07-28 19:02:11,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:08" (2/3) ... [2020-07-28 19:02:11,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af097b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:11, skipping insertion in model container [2020-07-28 19:02:11,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:11" (3/3) ... [2020-07-28 19:02:11,126 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56.cil.c [2020-07-28 19:02:11,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:02:11,144 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:02:11,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:02:11,185 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:02:11,185 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:02:11,185 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:02:11,185 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:02:11,187 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:02:11,187 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:02:11,188 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:02:11,188 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:02:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-07-28 19:02:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:02:11,226 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:11,227 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 19:02:11,227 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:11,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:11,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1618500051, now seen corresponding path program 1 times [2020-07-28 19:02:11,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:11,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330499137] [2020-07-28 19:02:11,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:11,589 INFO L280 TraceCheckUtils]: 0: Hoare triple {200#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {200#true} is VALID [2020-07-28 19:02:11,590 INFO L280 TraceCheckUtils]: 1: Hoare triple {200#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {200#true} is VALID [2020-07-28 19:02:11,591 INFO L280 TraceCheckUtils]: 2: Hoare triple {200#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {200#true} is VALID [2020-07-28 19:02:11,591 INFO L280 TraceCheckUtils]: 3: Hoare triple {200#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {200#true} is VALID [2020-07-28 19:02:11,593 INFO L280 TraceCheckUtils]: 4: Hoare triple {200#true} assume 0 != main_~tmp~0; {200#true} is VALID [2020-07-28 19:02:11,594 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 19:02:11,595 INFO L280 TraceCheckUtils]: 6: Hoare triple {200#true} assume false; {201#false} is VALID [2020-07-28 19:02:11,595 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 19:02:11,595 INFO L280 TraceCheckUtils]: 8: Hoare triple {201#false} assume !(0 != ~pumpRunning~0); {201#false} is VALID [2020-07-28 19:02:11,596 INFO L280 TraceCheckUtils]: 9: Hoare triple {201#false} assume !(0 != ~systemActive~0); {201#false} is VALID [2020-07-28 19:02:11,597 INFO L280 TraceCheckUtils]: 10: Hoare triple {201#false} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {201#false} is VALID [2020-07-28 19:02:11,598 INFO L280 TraceCheckUtils]: 11: Hoare triple {201#false} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {201#false} is VALID [2020-07-28 19:02:11,598 INFO L280 TraceCheckUtils]: 12: Hoare triple {201#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {201#false} is VALID [2020-07-28 19:02:11,598 INFO L280 TraceCheckUtils]: 13: Hoare triple {201#false} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {201#false} is VALID [2020-07-28 19:02:11,599 INFO L280 TraceCheckUtils]: 14: Hoare triple {201#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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 19:02:11,599 INFO L280 TraceCheckUtils]: 15: Hoare triple {201#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {201#false} is VALID [2020-07-28 19:02:11,600 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 19:02:11,600 INFO L280 TraceCheckUtils]: 17: Hoare triple {201#false} assume !false; {201#false} is VALID [2020-07-28 19:02:11,606 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 19:02:11,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330499137] [2020-07-28 19:02:11,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:11,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:11,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810682451] [2020-07-28 19:02:11,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:02:11,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:11,624 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:02:11,685 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 19:02:11,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:02:11,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:11,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:02:11,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:02:11,699 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 2 states. [2020-07-28 19:02:12,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:12,228 INFO L93 Difference]: Finished difference Result 388 states and 593 transitions. [2020-07-28 19:02:12,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:02:12,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:02:12,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 593 transitions. [2020-07-28 19:02:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 593 transitions. [2020-07-28 19:02:12,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 593 transitions. [2020-07-28 19:02:12,907 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 19:02:12,939 INFO L225 Difference]: With dead ends: 388 [2020-07-28 19:02:12,939 INFO L226 Difference]: Without dead ends: 193 [2020-07-28 19:02:12,947 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 19:02:12,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-28 19:02:13,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-07-28 19:02:13,039 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:13,040 INFO L82 GeneralOperation]: Start isEquivalent. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:13,040 INFO L74 IsIncluded]: Start isIncluded. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:13,041 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:13,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:13,053 INFO L93 Difference]: Finished difference Result 193 states and 288 transitions. [2020-07-28 19:02:13,053 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2020-07-28 19:02:13,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:13,056 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:13,056 INFO L74 IsIncluded]: Start isIncluded. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:13,056 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 193 states. [2020-07-28 19:02:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:13,068 INFO L93 Difference]: Finished difference Result 193 states and 288 transitions. [2020-07-28 19:02:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2020-07-28 19:02:13,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:13,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:13,070 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:13,070 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-28 19:02:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2020-07-28 19:02:13,083 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 18 [2020-07-28 19:02:13,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:13,084 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2020-07-28 19:02:13,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:02:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2020-07-28 19:02:13,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:02:13,085 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:13,086 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 19:02:13,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:02:13,086 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:13,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:13,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1765436492, now seen corresponding path program 1 times [2020-07-28 19:02:13,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:13,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912119537] [2020-07-28 19:02:13,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:13,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {1379#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1379#true} is VALID [2020-07-28 19:02:13,268 INFO L280 TraceCheckUtils]: 1: Hoare triple {1379#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1379#true} is VALID [2020-07-28 19:02:13,268 INFO L280 TraceCheckUtils]: 2: Hoare triple {1379#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1379#true} is VALID [2020-07-28 19:02:13,268 INFO L280 TraceCheckUtils]: 3: Hoare triple {1379#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1379#true} is VALID [2020-07-28 19:02:13,269 INFO L280 TraceCheckUtils]: 4: Hoare triple {1379#true} assume 0 != main_~tmp~0; {1379#true} is VALID [2020-07-28 19:02:13,270 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 19:02:13,271 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 19:02:13,271 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 19:02:13,272 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 19:02:13,272 INFO L280 TraceCheckUtils]: 9: Hoare triple {1380#false} assume !(0 != ~pumpRunning~0); {1380#false} is VALID [2020-07-28 19:02:13,272 INFO L280 TraceCheckUtils]: 10: Hoare triple {1380#false} assume !(0 != ~systemActive~0); {1380#false} is VALID [2020-07-28 19:02:13,272 INFO L280 TraceCheckUtils]: 11: Hoare triple {1380#false} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1380#false} is VALID [2020-07-28 19:02:13,273 INFO L280 TraceCheckUtils]: 12: Hoare triple {1380#false} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {1380#false} is VALID [2020-07-28 19:02:13,273 INFO L280 TraceCheckUtils]: 13: Hoare triple {1380#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {1380#false} is VALID [2020-07-28 19:02:13,273 INFO L280 TraceCheckUtils]: 14: Hoare triple {1380#false} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {1380#false} is VALID [2020-07-28 19:02:13,274 INFO L280 TraceCheckUtils]: 15: Hoare triple {1380#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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 19:02:13,274 INFO L280 TraceCheckUtils]: 16: Hoare triple {1380#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {1380#false} is VALID [2020-07-28 19:02:13,274 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 19:02:13,274 INFO L280 TraceCheckUtils]: 18: Hoare triple {1380#false} assume !false; {1380#false} is VALID [2020-07-28 19:02:13,275 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 19:02:13,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912119537] [2020-07-28 19:02:13,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:13,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:02:13,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743469857] [2020-07-28 19:02:13,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:02:13,278 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:13,279 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:13,317 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 19:02:13,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:13,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:13,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:13,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:13,319 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand 3 states. [2020-07-28 19:02:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:13,612 INFO L93 Difference]: Finished difference Result 193 states and 288 transitions. [2020-07-28 19:02:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:13,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:02:13,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:13,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:13,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2020-07-28 19:02:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2020-07-28 19:02:13,622 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 288 transitions. [2020-07-28 19:02:13,959 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 19:02:13,962 INFO L225 Difference]: With dead ends: 193 [2020-07-28 19:02:13,962 INFO L226 Difference]: Without dead ends: 75 [2020-07-28 19:02:13,964 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 19:02:13,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-28 19:02:13,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-07-28 19:02:13,991 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:13,993 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:13,993 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:13,993 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:13,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:13,997 INFO L93 Difference]: Finished difference Result 75 states and 111 transitions. [2020-07-28 19:02:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:02:13,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:13,998 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:13,998 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:13,998 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-28 19:02:14,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:14,002 INFO L93 Difference]: Finished difference Result 75 states and 111 transitions. [2020-07-28 19:02:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:02:14,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:14,003 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:14,003 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:14,003 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:14,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-28 19:02:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2020-07-28 19:02:14,007 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2020-07-28 19:02:14,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:14,007 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2020-07-28 19:02:14,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:02:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:02:14,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:14,009 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 19:02:14,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:02:14,009 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:14,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:14,009 INFO L82 PathProgramCache]: Analyzing trace with hash 134472408, now seen corresponding path program 1 times [2020-07-28 19:02:14,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:14,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259902056] [2020-07-28 19:02:14,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:14,115 INFO L280 TraceCheckUtils]: 0: Hoare triple {1898#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1898#true} is VALID [2020-07-28 19:02:14,115 INFO L280 TraceCheckUtils]: 1: Hoare triple {1898#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1898#true} is VALID [2020-07-28 19:02:14,116 INFO L280 TraceCheckUtils]: 2: Hoare triple {1898#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1900#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:02:14,117 INFO L280 TraceCheckUtils]: 3: Hoare triple {1900#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1901#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 19:02:14,117 INFO L280 TraceCheckUtils]: 4: Hoare triple {1901#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {1898#true} is VALID [2020-07-28 19:02:14,118 INFO L280 TraceCheckUtils]: 5: Hoare triple {1898#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; {1898#true} is VALID [2020-07-28 19:02:14,118 INFO L280 TraceCheckUtils]: 6: Hoare triple {1898#true} assume !false; {1898#true} is VALID [2020-07-28 19:02:14,118 INFO L280 TraceCheckUtils]: 7: Hoare triple {1898#true} assume test_~splverifierCounter~0 < 4; {1898#true} is VALID [2020-07-28 19:02:14,119 INFO L280 TraceCheckUtils]: 8: Hoare triple {1898#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; {1898#true} is VALID [2020-07-28 19:02:14,119 INFO L280 TraceCheckUtils]: 9: Hoare triple {1898#true} assume !(0 != test_~tmp~10); {1898#true} is VALID [2020-07-28 19:02:14,119 INFO L280 TraceCheckUtils]: 10: Hoare triple {1898#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {1898#true} is VALID [2020-07-28 19:02:14,119 INFO L280 TraceCheckUtils]: 11: Hoare triple {1898#true} assume !(0 != test_~tmp___0~3); {1898#true} is VALID [2020-07-28 19:02:14,120 INFO L280 TraceCheckUtils]: 12: Hoare triple {1898#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {1898#true} is VALID [2020-07-28 19:02:14,121 INFO L280 TraceCheckUtils]: 13: Hoare triple {1898#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1902#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:14,121 INFO L280 TraceCheckUtils]: 14: Hoare triple {1902#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1902#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:14,125 INFO L280 TraceCheckUtils]: 15: Hoare triple {1902#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1899#false} is VALID [2020-07-28 19:02:14,125 INFO L280 TraceCheckUtils]: 16: Hoare triple {1899#false} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1899#false} is VALID [2020-07-28 19:02:14,125 INFO L280 TraceCheckUtils]: 17: Hoare triple {1899#false} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {1899#false} is VALID [2020-07-28 19:02:14,126 INFO L280 TraceCheckUtils]: 18: Hoare triple {1899#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {1899#false} is VALID [2020-07-28 19:02:14,126 INFO L280 TraceCheckUtils]: 19: Hoare triple {1899#false} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {1899#false} is VALID [2020-07-28 19:02:14,126 INFO L280 TraceCheckUtils]: 20: Hoare triple {1899#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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 19:02:14,126 INFO L280 TraceCheckUtils]: 21: Hoare triple {1899#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {1899#false} is VALID [2020-07-28 19:02:14,127 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 19:02:14,127 INFO L280 TraceCheckUtils]: 23: Hoare triple {1899#false} assume !false; {1899#false} is VALID [2020-07-28 19:02:14,128 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 19:02:14,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259902056] [2020-07-28 19:02:14,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:14,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:02:14,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336679448] [2020-07-28 19:02:14,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:02:14,129 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:14,130 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:14,165 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 19:02:14,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:14,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:14,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:14,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:14,166 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand 5 states. [2020-07-28 19:02:14,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:14,928 INFO L93 Difference]: Finished difference Result 169 states and 253 transitions. [2020-07-28 19:02:14,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:02:14,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:02:14,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:14,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 253 transitions. [2020-07-28 19:02:14,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 253 transitions. [2020-07-28 19:02:14,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 253 transitions. [2020-07-28 19:02:15,281 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 253 edges. 253 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:15,284 INFO L225 Difference]: With dead ends: 169 [2020-07-28 19:02:15,284 INFO L226 Difference]: Without dead ends: 100 [2020-07-28 19:02:15,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 19:02:15,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-07-28 19:02:15,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2020-07-28 19:02:15,399 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:15,399 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand 96 states. [2020-07-28 19:02:15,399 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 96 states. [2020-07-28 19:02:15,399 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 96 states. [2020-07-28 19:02:15,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:15,409 INFO L93 Difference]: Finished difference Result 100 states and 147 transitions. [2020-07-28 19:02:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2020-07-28 19:02:15,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:15,409 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:15,409 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 100 states. [2020-07-28 19:02:15,412 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 100 states. [2020-07-28 19:02:15,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:15,420 INFO L93 Difference]: Finished difference Result 100 states and 147 transitions. [2020-07-28 19:02:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2020-07-28 19:02:15,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:15,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:15,421 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:15,421 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:15,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-28 19:02:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 143 transitions. [2020-07-28 19:02:15,429 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 143 transitions. Word has length 24 [2020-07-28 19:02:15,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:15,430 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 143 transitions. [2020-07-28 19:02:15,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 143 transitions. [2020-07-28 19:02:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:02:15,431 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:15,431 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 19:02:15,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:02:15,432 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:15,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:15,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1119046690, now seen corresponding path program 1 times [2020-07-28 19:02:15,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:15,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940164047] [2020-07-28 19:02:15,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:15,508 INFO L280 TraceCheckUtils]: 0: Hoare triple {2475#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,509 INFO L280 TraceCheckUtils]: 1: Hoare triple {2477#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,510 INFO L280 TraceCheckUtils]: 2: Hoare triple {2477#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,511 INFO L280 TraceCheckUtils]: 3: Hoare triple {2477#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,511 INFO L280 TraceCheckUtils]: 4: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,512 INFO L280 TraceCheckUtils]: 5: Hoare triple {2477#(= 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; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,513 INFO L280 TraceCheckUtils]: 6: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume !false; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,514 INFO L280 TraceCheckUtils]: 7: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,514 INFO L280 TraceCheckUtils]: 8: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,515 INFO L280 TraceCheckUtils]: 9: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~10); {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,516 INFO L280 TraceCheckUtils]: 10: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,517 INFO L280 TraceCheckUtils]: 11: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,517 INFO L280 TraceCheckUtils]: 12: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,518 INFO L280 TraceCheckUtils]: 13: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,519 INFO L280 TraceCheckUtils]: 14: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,520 INFO L280 TraceCheckUtils]: 15: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,520 INFO L280 TraceCheckUtils]: 16: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret51, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,521 INFO L280 TraceCheckUtils]: 17: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret50, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {2477#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:15,522 INFO L280 TraceCheckUtils]: 18: Hoare triple {2477#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {2476#false} is VALID [2020-07-28 19:02:15,522 INFO L280 TraceCheckUtils]: 19: Hoare triple {2476#false} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {2476#false} is VALID [2020-07-28 19:02:15,522 INFO L280 TraceCheckUtils]: 20: Hoare triple {2476#false} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {2476#false} is VALID [2020-07-28 19:02:15,523 INFO L280 TraceCheckUtils]: 21: Hoare triple {2476#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2476#false} is VALID [2020-07-28 19:02:15,523 INFO L280 TraceCheckUtils]: 22: Hoare triple {2476#false} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {2476#false} is VALID [2020-07-28 19:02:15,523 INFO L280 TraceCheckUtils]: 23: Hoare triple {2476#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {2476#false} is VALID [2020-07-28 19:02:15,523 INFO L280 TraceCheckUtils]: 24: Hoare triple {2476#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {2476#false} is VALID [2020-07-28 19:02:15,524 INFO L280 TraceCheckUtils]: 25: Hoare triple {2476#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {2476#false} is VALID [2020-07-28 19:02:15,524 INFO L280 TraceCheckUtils]: 26: Hoare triple {2476#false} assume !false; {2476#false} is VALID [2020-07-28 19:02:15,526 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 19:02:15,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940164047] [2020-07-28 19:02:15,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:15,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:15,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873185622] [2020-07-28 19:02:15,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:02:15,528 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:15,528 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:15,562 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 19:02:15,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:15,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:15,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:15,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:15,564 INFO L87 Difference]: Start difference. First operand 96 states and 143 transitions. Second operand 3 states. [2020-07-28 19:02:15,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:15,887 INFO L93 Difference]: Finished difference Result 197 states and 295 transitions. [2020-07-28 19:02:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:15,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:02:15,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:15,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2020-07-28 19:02:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2020-07-28 19:02:15,894 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 233 transitions. [2020-07-28 19:02:16,164 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 233 edges. 233 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:16,168 INFO L225 Difference]: With dead ends: 197 [2020-07-28 19:02:16,168 INFO L226 Difference]: Without dead ends: 107 [2020-07-28 19:02:16,169 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 19:02:16,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-28 19:02:16,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2020-07-28 19:02:16,281 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:16,281 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 105 states. [2020-07-28 19:02:16,281 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 105 states. [2020-07-28 19:02:16,282 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 105 states. [2020-07-28 19:02:16,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:16,288 INFO L93 Difference]: Finished difference Result 107 states and 151 transitions. [2020-07-28 19:02:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2020-07-28 19:02:16,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:16,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:16,289 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 107 states. [2020-07-28 19:02:16,289 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 107 states. [2020-07-28 19:02:16,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:16,294 INFO L93 Difference]: Finished difference Result 107 states and 151 transitions. [2020-07-28 19:02:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2020-07-28 19:02:16,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:16,295 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:16,295 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:16,295 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:16,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-28 19:02:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 150 transitions. [2020-07-28 19:02:16,299 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 150 transitions. Word has length 27 [2020-07-28 19:02:16,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:16,300 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 150 transitions. [2020-07-28 19:02:16,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions. [2020-07-28 19:02:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:02:16,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:16,306 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 19:02:16,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:02:16,307 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:16,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:16,307 INFO L82 PathProgramCache]: Analyzing trace with hash -428868179, now seen corresponding path program 1 times [2020-07-28 19:02:16,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:16,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119696863] [2020-07-28 19:02:16,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:16,447 INFO L280 TraceCheckUtils]: 0: Hoare triple {3111#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,448 INFO L280 TraceCheckUtils]: 1: Hoare triple {3113#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,454 INFO L280 TraceCheckUtils]: 2: Hoare triple {3113#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,456 INFO L280 TraceCheckUtils]: 3: Hoare triple {3113#(= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,457 INFO L280 TraceCheckUtils]: 4: Hoare triple {3113#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,458 INFO L280 TraceCheckUtils]: 5: Hoare triple {3113#(= 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; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,459 INFO L280 TraceCheckUtils]: 6: Hoare triple {3113#(= 1 ~waterLevel~0)} assume !false; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,459 INFO L280 TraceCheckUtils]: 7: Hoare triple {3113#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,460 INFO L280 TraceCheckUtils]: 8: Hoare triple {3113#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,461 INFO L280 TraceCheckUtils]: 9: Hoare triple {3113#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~10); {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,461 INFO L280 TraceCheckUtils]: 10: Hoare triple {3113#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,462 INFO L280 TraceCheckUtils]: 11: Hoare triple {3113#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,463 INFO L280 TraceCheckUtils]: 12: Hoare triple {3113#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,464 INFO L280 TraceCheckUtils]: 13: Hoare triple {3113#(= 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; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,464 INFO L280 TraceCheckUtils]: 14: Hoare triple {3113#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~1; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,465 INFO L280 TraceCheckUtils]: 15: Hoare triple {3113#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,465 INFO L280 TraceCheckUtils]: 16: Hoare triple {3113#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,466 INFO L280 TraceCheckUtils]: 17: Hoare triple {3113#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,467 INFO L280 TraceCheckUtils]: 18: Hoare triple {3113#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,468 INFO L280 TraceCheckUtils]: 19: Hoare triple {3113#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,469 INFO L280 TraceCheckUtils]: 20: Hoare triple {3113#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {3113#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:16,470 INFO L280 TraceCheckUtils]: 21: Hoare triple {3113#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {3114#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:02:16,471 INFO L280 TraceCheckUtils]: 22: Hoare triple {3114#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {3115#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} is VALID [2020-07-28 19:02:16,472 INFO L280 TraceCheckUtils]: 23: Hoare triple {3115#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {3112#false} is VALID [2020-07-28 19:02:16,473 INFO L280 TraceCheckUtils]: 24: Hoare triple {3112#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {3112#false} is VALID [2020-07-28 19:02:16,473 INFO L280 TraceCheckUtils]: 25: Hoare triple {3112#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {3112#false} is VALID [2020-07-28 19:02:16,473 INFO L280 TraceCheckUtils]: 26: Hoare triple {3112#false} assume !false; {3112#false} is VALID [2020-07-28 19:02:16,475 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 19:02:16,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119696863] [2020-07-28 19:02:16,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:16,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:02:16,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258579108] [2020-07-28 19:02:16,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:16,476 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:16,477 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:16,516 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 19:02:16,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:16,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:16,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:16,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:16,518 INFO L87 Difference]: Start difference. First operand 105 states and 150 transitions. Second operand 5 states. [2020-07-28 19:02:17,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:17,931 INFO L93 Difference]: Finished difference Result 533 states and 778 transitions. [2020-07-28 19:02:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:02:17,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:17,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 444 transitions. [2020-07-28 19:02:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 444 transitions. [2020-07-28 19:02:17,942 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 444 transitions. [2020-07-28 19:02:18,488 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 19:02:18,504 INFO L225 Difference]: With dead ends: 533 [2020-07-28 19:02:18,505 INFO L226 Difference]: Without dead ends: 434 [2020-07-28 19:02:18,506 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 19:02:18,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-28 19:02:18,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 171. [2020-07-28 19:02:18,810 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:18,810 INFO L82 GeneralOperation]: Start isEquivalent. First operand 434 states. Second operand 171 states. [2020-07-28 19:02:18,810 INFO L74 IsIncluded]: Start isIncluded. First operand 434 states. Second operand 171 states. [2020-07-28 19:02:18,810 INFO L87 Difference]: Start difference. First operand 434 states. Second operand 171 states. [2020-07-28 19:02:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:18,831 INFO L93 Difference]: Finished difference Result 434 states and 616 transitions. [2020-07-28 19:02:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 616 transitions. [2020-07-28 19:02:18,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:18,833 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:18,833 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand 434 states. [2020-07-28 19:02:18,833 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 434 states. [2020-07-28 19:02:18,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:18,853 INFO L93 Difference]: Finished difference Result 434 states and 616 transitions. [2020-07-28 19:02:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 616 transitions. [2020-07-28 19:02:18,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:18,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:18,855 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:18,855 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-07-28 19:02:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 239 transitions. [2020-07-28 19:02:18,860 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 239 transitions. Word has length 27 [2020-07-28 19:02:18,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:18,861 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 239 transitions. [2020-07-28 19:02:18,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:18,861 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 239 transitions. [2020-07-28 19:02:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:02:18,862 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:18,862 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 19:02:18,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:02:18,863 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:18,864 INFO L82 PathProgramCache]: Analyzing trace with hash -2129131921, now seen corresponding path program 1 times [2020-07-28 19:02:18,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:18,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233684833] [2020-07-28 19:02:18,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:18,933 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:18,983 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:19,029 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:02:19,029 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:02:19,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:02:19,156 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:02:19,156 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:02:19,156 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-28 19:02:19,156 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-28 19:02:19,156 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:02:19,157 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:02:19,157 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:02:19,157 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 19:02:19,157 WARN L170 areAnnotationChecker]: L564-1 has no Hoare annotation [2020-07-28 19:02:19,157 WARN L170 areAnnotationChecker]: L564-1 has no Hoare annotation [2020-07-28 19:02:19,157 WARN L170 areAnnotationChecker]: L564-1 has no Hoare annotation [2020-07-28 19:02:19,158 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 19:02:19,158 WARN L170 areAnnotationChecker]: L1000 has no Hoare annotation [2020-07-28 19:02:19,158 WARN L170 areAnnotationChecker]: L951 has no Hoare annotation [2020-07-28 19:02:19,158 WARN L170 areAnnotationChecker]: L951 has no Hoare annotation [2020-07-28 19:02:19,158 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:19,158 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 19:02:19,159 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 19:02:19,159 WARN L170 areAnnotationChecker]: L952 has no Hoare annotation [2020-07-28 19:02:19,159 WARN L170 areAnnotationChecker]: L593-3 has no Hoare annotation [2020-07-28 19:02:19,159 WARN L170 areAnnotationChecker]: L593-3 has no Hoare annotation [2020-07-28 19:02:19,159 WARN L170 areAnnotationChecker]: L701-2 has no Hoare annotation [2020-07-28 19:02:19,159 WARN L170 areAnnotationChecker]: L701-2 has no Hoare annotation [2020-07-28 19:02:19,160 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-28 19:02:19,160 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-28 19:02:19,160 WARN L170 areAnnotationChecker]: L785-1 has no Hoare annotation [2020-07-28 19:02:19,160 WARN L170 areAnnotationChecker]: L785-1 has no Hoare annotation [2020-07-28 19:02:19,160 WARN L170 areAnnotationChecker]: L708-1 has no Hoare annotation [2020-07-28 19:02:19,160 WARN L170 areAnnotationChecker]: L605 has no Hoare annotation [2020-07-28 19:02:19,161 WARN L170 areAnnotationChecker]: L605 has no Hoare annotation [2020-07-28 19:02:19,161 WARN L170 areAnnotationChecker]: L960-1 has no Hoare annotation [2020-07-28 19:02:19,161 WARN L170 areAnnotationChecker]: L630-2 has no Hoare annotation [2020-07-28 19:02:19,162 WARN L170 areAnnotationChecker]: L759-3 has no Hoare annotation [2020-07-28 19:02:19,162 WARN L170 areAnnotationChecker]: L759-3 has no Hoare annotation [2020-07-28 19:02:19,162 WARN L170 areAnnotationChecker]: L630-3 has no Hoare annotation [2020-07-28 19:02:19,162 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-28 19:02:19,162 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-28 19:02:19,162 WARN L170 areAnnotationChecker]: L829-1 has no Hoare annotation [2020-07-28 19:02:19,163 WARN L170 areAnnotationChecker]: L685-3 has no Hoare annotation [2020-07-28 19:02:19,163 WARN L170 areAnnotationChecker]: L733-7 has no Hoare annotation [2020-07-28 19:02:19,163 WARN L170 areAnnotationChecker]: L733-7 has no Hoare annotation [2020-07-28 19:02:19,163 WARN L170 areAnnotationChecker]: L558-2 has no Hoare annotation [2020-07-28 19:02:19,163 WARN L170 areAnnotationChecker]: L558-2 has no Hoare annotation [2020-07-28 19:02:19,163 WARN L170 areAnnotationChecker]: L617 has no Hoare annotation [2020-07-28 19:02:19,163 WARN L170 areAnnotationChecker]: L617 has no Hoare annotation [2020-07-28 19:02:19,164 WARN L170 areAnnotationChecker]: L970-1 has no Hoare annotation [2020-07-28 19:02:19,164 WARN L170 areAnnotationChecker]: L789-1 has no Hoare annotation [2020-07-28 19:02:19,164 WARN L170 areAnnotationChecker]: L789-1 has no Hoare annotation [2020-07-28 19:02:19,164 WARN L170 areAnnotationChecker]: L906-9 has no Hoare annotation [2020-07-28 19:02:19,164 WARN L170 areAnnotationChecker]: L906-9 has no Hoare annotation [2020-07-28 19:02:19,164 WARN L170 areAnnotationChecker]: L670-7 has no Hoare annotation [2020-07-28 19:02:19,165 WARN L170 areAnnotationChecker]: L670-7 has no Hoare annotation [2020-07-28 19:02:19,165 WARN L170 areAnnotationChecker]: L564-3 has no Hoare annotation [2020-07-28 19:02:19,165 WARN L170 areAnnotationChecker]: L662-1 has no Hoare annotation [2020-07-28 19:02:19,165 WARN L170 areAnnotationChecker]: L980 has no Hoare annotation [2020-07-28 19:02:19,165 WARN L170 areAnnotationChecker]: L980 has no Hoare annotation [2020-07-28 19:02:19,165 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:02:19,166 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:02:19,166 WARN L170 areAnnotationChecker]: L906-11 has no Hoare annotation [2020-07-28 19:02:19,166 WARN L170 areAnnotationChecker]: L675-7 has no Hoare annotation [2020-07-28 19:02:19,166 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:02:19,166 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:02:19,166 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:02:19,167 WARN L170 areAnnotationChecker]: L564-2 has no Hoare annotation [2020-07-28 19:02:19,167 WARN L170 areAnnotationChecker]: L564-2 has no Hoare annotation [2020-07-28 19:02:19,167 WARN L170 areAnnotationChecker]: L988-1 has no Hoare annotation [2020-07-28 19:02:19,167 WARN L170 areAnnotationChecker]: L988-1 has no Hoare annotation [2020-07-28 19:02:19,167 WARN L170 areAnnotationChecker]: L988 has no Hoare annotation [2020-07-28 19:02:19,167 WARN L170 areAnnotationChecker]: L988 has no Hoare annotation [2020-07-28 19:02:19,168 WARN L170 areAnnotationChecker]: L685-2 has no Hoare annotation [2020-07-28 19:02:19,168 WARN L170 areAnnotationChecker]: L733-5 has no Hoare annotation [2020-07-28 19:02:19,168 WARN L170 areAnnotationChecker]: L733-5 has no Hoare annotation [2020-07-28 19:02:19,168 WARN L170 areAnnotationChecker]: L912-3 has no Hoare annotation [2020-07-28 19:02:19,168 WARN L170 areAnnotationChecker]: L887-21 has no Hoare annotation [2020-07-28 19:02:19,168 WARN L170 areAnnotationChecker]: L887-21 has no Hoare annotation [2020-07-28 19:02:19,169 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:02:19,169 WARN L170 areAnnotationChecker]: L838-1 has no Hoare annotation [2020-07-28 19:02:19,169 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-28 19:02:19,169 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-28 19:02:19,169 WARN L170 areAnnotationChecker]: L701 has no Hoare annotation [2020-07-28 19:02:19,169 WARN L170 areAnnotationChecker]: L701 has no Hoare annotation [2020-07-28 19:02:19,169 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2020-07-28 19:02:19,170 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2020-07-28 19:02:19,170 WARN L170 areAnnotationChecker]: L906-6 has no Hoare annotation [2020-07-28 19:02:19,170 WARN L170 areAnnotationChecker]: L906-6 has no Hoare annotation [2020-07-28 19:02:19,170 WARN L170 areAnnotationChecker]: L670-5 has no Hoare annotation [2020-07-28 19:02:19,170 WARN L170 areAnnotationChecker]: L670-5 has no Hoare annotation [2020-07-28 19:02:19,171 WARN L170 areAnnotationChecker]: L763-3 has no Hoare annotation [2020-07-28 19:02:19,171 WARN L170 areAnnotationChecker]: L763-3 has no Hoare annotation [2020-07-28 19:02:19,171 WARN L170 areAnnotationChecker]: L887-23 has no Hoare annotation [2020-07-28 19:02:19,172 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:02:19,172 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:02:19,172 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 19:02:19,172 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 19:02:19,172 WARN L170 areAnnotationChecker]: L785 has no Hoare annotation [2020-07-28 19:02:19,172 WARN L170 areAnnotationChecker]: L785 has no Hoare annotation [2020-07-28 19:02:19,173 WARN L170 areAnnotationChecker]: L708 has no Hoare annotation [2020-07-28 19:02:19,173 WARN L170 areAnnotationChecker]: L920-1 has no Hoare annotation [2020-07-28 19:02:19,173 WARN L170 areAnnotationChecker]: L906-8 has no Hoare annotation [2020-07-28 19:02:19,173 WARN L170 areAnnotationChecker]: L675-5 has no Hoare annotation [2020-07-28 19:02:19,173 WARN L170 areAnnotationChecker]: L733-6 has no Hoare annotation [2020-07-28 19:02:19,173 WARN L170 areAnnotationChecker]: L733-6 has no Hoare annotation [2020-07-28 19:02:19,174 WARN L170 areAnnotationChecker]: L893-7 has no Hoare annotation [2020-07-28 19:02:19,174 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:02:19,174 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:02:19,174 WARN L170 areAnnotationChecker]: L1013-1 has no Hoare annotation [2020-07-28 19:02:19,174 WARN L170 areAnnotationChecker]: L1013-1 has no Hoare annotation [2020-07-28 19:02:19,175 WARN L170 areAnnotationChecker]: L630 has no Hoare annotation [2020-07-28 19:02:19,175 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:02:19,175 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:02:19,175 WARN L170 areAnnotationChecker]: L630-1 has no Hoare annotation [2020-07-28 19:02:19,175 WARN L170 areAnnotationChecker]: L912-2 has no Hoare annotation [2020-07-28 19:02:19,175 WARN L170 areAnnotationChecker]: L887-15 has no Hoare annotation [2020-07-28 19:02:19,176 WARN L170 areAnnotationChecker]: L887-15 has no Hoare annotation [2020-07-28 19:02:19,176 WARN L170 areAnnotationChecker]: L670-6 has no Hoare annotation [2020-07-28 19:02:19,176 WARN L170 areAnnotationChecker]: L670-6 has no Hoare annotation [2020-07-28 19:02:19,176 WARN L170 areAnnotationChecker]: L737-7 has no Hoare annotation [2020-07-28 19:02:19,176 WARN L170 areAnnotationChecker]: L737-7 has no Hoare annotation [2020-07-28 19:02:19,176 WARN L170 areAnnotationChecker]: L593-6 has no Hoare annotation [2020-07-28 19:02:19,176 WARN L170 areAnnotationChecker]: L593-6 has no Hoare annotation [2020-07-28 19:02:19,177 WARN L170 areAnnotationChecker]: L701-3 has no Hoare annotation [2020-07-28 19:02:19,177 WARN L170 areAnnotationChecker]: L701-3 has no Hoare annotation [2020-07-28 19:02:19,177 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 19:02:19,177 WARN L170 areAnnotationChecker]: L685-1 has no Hoare annotation [2020-07-28 19:02:19,177 WARN L170 areAnnotationChecker]: L733-3 has no Hoare annotation [2020-07-28 19:02:19,177 WARN L170 areAnnotationChecker]: L733-3 has no Hoare annotation [2020-07-28 19:02:19,178 WARN L170 areAnnotationChecker]: L558 has no Hoare annotation [2020-07-28 19:02:19,178 WARN L170 areAnnotationChecker]: L558 has no Hoare annotation [2020-07-28 19:02:19,178 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:02:19,178 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:02:19,178 WARN L170 areAnnotationChecker]: L887-17 has no Hoare annotation [2020-07-28 19:02:19,178 WARN L170 areAnnotationChecker]: L675-6 has no Hoare annotation [2020-07-28 19:02:19,179 WARN L170 areAnnotationChecker]: L785-2 has no Hoare annotation [2020-07-28 19:02:19,179 WARN L170 areAnnotationChecker]: L785-2 has no Hoare annotation [2020-07-28 19:02:19,179 WARN L170 areAnnotationChecker]: L708-2 has no Hoare annotation [2020-07-28 19:02:19,179 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-28 19:02:19,179 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-28 19:02:19,179 WARN L170 areAnnotationChecker]: L906-3 has no Hoare annotation [2020-07-28 19:02:19,180 WARN L170 areAnnotationChecker]: L906-3 has no Hoare annotation [2020-07-28 19:02:19,180 WARN L170 areAnnotationChecker]: L670-3 has no Hoare annotation [2020-07-28 19:02:19,180 WARN L170 areAnnotationChecker]: L670-3 has no Hoare annotation [2020-07-28 19:02:19,180 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-28 19:02:19,180 WARN L170 areAnnotationChecker]: L733-4 has no Hoare annotation [2020-07-28 19:02:19,180 WARN L170 areAnnotationChecker]: L733-4 has no Hoare annotation [2020-07-28 19:02:19,180 WARN L170 areAnnotationChecker]: L893-5 has no Hoare annotation [2020-07-28 19:02:19,181 WARN L170 areAnnotationChecker]: L887-18 has no Hoare annotation [2020-07-28 19:02:19,181 WARN L170 areAnnotationChecker]: L887-18 has no Hoare annotation [2020-07-28 19:02:19,181 WARN L170 areAnnotationChecker]: L630-4 has no Hoare annotation [2020-07-28 19:02:19,181 WARN L170 areAnnotationChecker]: L759-5 has no Hoare annotation [2020-07-28 19:02:19,181 WARN L170 areAnnotationChecker]: L759-5 has no Hoare annotation [2020-07-28 19:02:19,181 WARN L170 areAnnotationChecker]: L630-5 has no Hoare annotation [2020-07-28 19:02:19,182 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:02:19,182 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:02:19,182 WARN L170 areAnnotationChecker]: L906-5 has no Hoare annotation [2020-07-28 19:02:19,182 WARN L170 areAnnotationChecker]: L675-3 has no Hoare annotation [2020-07-28 19:02:19,182 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-28 19:02:19,182 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-28 19:02:19,183 WARN L170 areAnnotationChecker]: L670-4 has no Hoare annotation [2020-07-28 19:02:19,183 WARN L170 areAnnotationChecker]: L670-4 has no Hoare annotation [2020-07-28 19:02:19,183 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:02:19,184 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:02:19,184 WARN L170 areAnnotationChecker]: L887-20 has no Hoare annotation [2020-07-28 19:02:19,184 WARN L170 areAnnotationChecker]: L829-2 has no Hoare annotation [2020-07-28 19:02:19,184 WARN L170 areAnnotationChecker]: L685-5 has no Hoare annotation [2020-07-28 19:02:19,184 WARN L170 areAnnotationChecker]: L733-11 has no Hoare annotation [2020-07-28 19:02:19,184 WARN L170 areAnnotationChecker]: L733-11 has no Hoare annotation [2020-07-28 19:02:19,185 WARN L170 areAnnotationChecker]: L558-4 has no Hoare annotation [2020-07-28 19:02:19,185 WARN L170 areAnnotationChecker]: L558-4 has no Hoare annotation [2020-07-28 19:02:19,185 WARN L170 areAnnotationChecker]: L685 has no Hoare annotation [2020-07-28 19:02:19,185 WARN L170 areAnnotationChecker]: L733-1 has no Hoare annotation [2020-07-28 19:02:19,185 WARN L170 areAnnotationChecker]: L733-1 has no Hoare annotation [2020-07-28 19:02:19,185 WARN L170 areAnnotationChecker]: L912-1 has no Hoare annotation [2020-07-28 19:02:19,186 WARN L170 areAnnotationChecker]: L887-9 has no Hoare annotation [2020-07-28 19:02:19,186 WARN L170 areAnnotationChecker]: L887-9 has no Hoare annotation [2020-07-28 19:02:19,186 WARN L170 areAnnotationChecker]: L838 has no Hoare annotation [2020-07-28 19:02:19,186 WARN L170 areAnnotationChecker]: L675-4 has no Hoare annotation [2020-07-28 19:02:19,186 WARN L170 areAnnotationChecker]: L893-6 has no Hoare annotation [2020-07-28 19:02:19,186 WARN L170 areAnnotationChecker]: L789-2 has no Hoare annotation [2020-07-28 19:02:19,187 WARN L170 areAnnotationChecker]: L789-2 has no Hoare annotation [2020-07-28 19:02:19,187 WARN L170 areAnnotationChecker]: L906-15 has no Hoare annotation [2020-07-28 19:02:19,187 WARN L170 areAnnotationChecker]: L906-15 has no Hoare annotation [2020-07-28 19:02:19,187 WARN L170 areAnnotationChecker]: L670-11 has no Hoare annotation [2020-07-28 19:02:19,187 WARN L170 areAnnotationChecker]: L670-11 has no Hoare annotation [2020-07-28 19:02:19,187 WARN L170 areAnnotationChecker]: L564-5 has no Hoare annotation [2020-07-28 19:02:19,187 WARN L170 areAnnotationChecker]: L662-2 has no Hoare annotation [2020-07-28 19:02:19,188 WARN L170 areAnnotationChecker]: L906 has no Hoare annotation [2020-07-28 19:02:19,188 WARN L170 areAnnotationChecker]: L906 has no Hoare annotation [2020-07-28 19:02:19,188 WARN L170 areAnnotationChecker]: L670-1 has no Hoare annotation [2020-07-28 19:02:19,188 WARN L170 areAnnotationChecker]: L670-1 has no Hoare annotation [2020-07-28 19:02:19,188 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:02:19,188 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:02:19,189 WARN L170 areAnnotationChecker]: L887-11 has no Hoare annotation [2020-07-28 19:02:19,189 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 19:02:19,189 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 19:02:19,189 WARN L170 areAnnotationChecker]: L887-12 has no Hoare annotation [2020-07-28 19:02:19,189 WARN L170 areAnnotationChecker]: L887-12 has no Hoare annotation [2020-07-28 19:02:19,189 WARN L170 areAnnotationChecker]: L737-6 has no Hoare annotation [2020-07-28 19:02:19,190 WARN L170 areAnnotationChecker]: L737-6 has no Hoare annotation [2020-07-28 19:02:19,190 WARN L170 areAnnotationChecker]: L759-4 has no Hoare annotation [2020-07-28 19:02:19,190 WARN L170 areAnnotationChecker]: L759-4 has no Hoare annotation [2020-07-28 19:02:19,190 WARN L170 areAnnotationChecker]: L906-17 has no Hoare annotation [2020-07-28 19:02:19,190 WARN L170 areAnnotationChecker]: L675-11 has no Hoare annotation [2020-07-28 19:02:19,190 WARN L170 areAnnotationChecker]: L564-4 has no Hoare annotation [2020-07-28 19:02:19,190 WARN L170 areAnnotationChecker]: L564-4 has no Hoare annotation [2020-07-28 19:02:19,191 WARN L170 areAnnotationChecker]: L906-2 has no Hoare annotation [2020-07-28 19:02:19,191 WARN L170 areAnnotationChecker]: L675-1 has no Hoare annotation [2020-07-28 19:02:19,191 WARN L170 areAnnotationChecker]: L733-2 has no Hoare annotation [2020-07-28 19:02:19,191 WARN L170 areAnnotationChecker]: L733-2 has no Hoare annotation [2020-07-28 19:02:19,191 WARN L170 areAnnotationChecker]: L893-3 has no Hoare annotation [2020-07-28 19:02:19,191 WARN L170 areAnnotationChecker]: L1013 has no Hoare annotation [2020-07-28 19:02:19,192 WARN L170 areAnnotationChecker]: L1013 has no Hoare annotation [2020-07-28 19:02:19,192 WARN L170 areAnnotationChecker]: L887-14 has no Hoare annotation [2020-07-28 19:02:19,192 WARN L170 areAnnotationChecker]: L685-4 has no Hoare annotation [2020-07-28 19:02:19,192 WARN L170 areAnnotationChecker]: L733-9 has no Hoare annotation [2020-07-28 19:02:19,192 WARN L170 areAnnotationChecker]: L733-9 has no Hoare annotation [2020-07-28 19:02:19,192 WARN L170 areAnnotationChecker]: L912-5 has no Hoare annotation [2020-07-28 19:02:19,193 WARN L170 areAnnotationChecker]: L887-33 has no Hoare annotation [2020-07-28 19:02:19,193 WARN L170 areAnnotationChecker]: L887-33 has no Hoare annotation [2020-07-28 19:02:19,193 WARN L170 areAnnotationChecker]: L838-2 has no Hoare annotation [2020-07-28 19:02:19,193 WARN L170 areAnnotationChecker]: L912 has no Hoare annotation [2020-07-28 19:02:19,193 WARN L170 areAnnotationChecker]: L887-3 has no Hoare annotation [2020-07-28 19:02:19,193 WARN L170 areAnnotationChecker]: L887-3 has no Hoare annotation [2020-07-28 19:02:19,194 WARN L170 areAnnotationChecker]: L670-2 has no Hoare annotation [2020-07-28 19:02:19,194 WARN L170 areAnnotationChecker]: L670-2 has no Hoare annotation [2020-07-28 19:02:19,194 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:02:19,194 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:02:19,194 WARN L170 areAnnotationChecker]: L893-4 has no Hoare annotation [2020-07-28 19:02:19,194 WARN L170 areAnnotationChecker]: L906-12 has no Hoare annotation [2020-07-28 19:02:19,195 WARN L170 areAnnotationChecker]: L906-12 has no Hoare annotation [2020-07-28 19:02:19,195 WARN L170 areAnnotationChecker]: L670-9 has no Hoare annotation [2020-07-28 19:02:19,195 WARN L170 areAnnotationChecker]: L670-9 has no Hoare annotation [2020-07-28 19:02:19,195 WARN L170 areAnnotationChecker]: L763-5 has no Hoare annotation [2020-07-28 19:02:19,195 WARN L170 areAnnotationChecker]: L763-5 has no Hoare annotation [2020-07-28 19:02:19,195 WARN L170 areAnnotationChecker]: L887-35 has no Hoare annotation [2020-07-28 19:02:19,195 WARN L170 areAnnotationChecker]: L568-4 has no Hoare annotation [2020-07-28 19:02:19,196 WARN L170 areAnnotationChecker]: L568-4 has no Hoare annotation [2020-07-28 19:02:19,196 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:02:19,196 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:02:19,196 WARN L170 areAnnotationChecker]: L887-5 has no Hoare annotation [2020-07-28 19:02:19,196 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:02:19,196 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:02:19,197 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:02:19,197 WARN L170 areAnnotationChecker]: L906-14 has no Hoare annotation [2020-07-28 19:02:19,197 WARN L170 areAnnotationChecker]: L675-9 has no Hoare annotation [2020-07-28 19:02:19,197 WARN L170 areAnnotationChecker]: L733-10 has no Hoare annotation [2020-07-28 19:02:19,197 WARN L170 areAnnotationChecker]: L733-10 has no Hoare annotation [2020-07-28 19:02:19,197 WARN L170 areAnnotationChecker]: L893-11 has no Hoare annotation [2020-07-28 19:02:19,198 WARN L170 areAnnotationChecker]: L1013-2 has no Hoare annotation [2020-07-28 19:02:19,198 WARN L170 areAnnotationChecker]: L1013-2 has no Hoare annotation [2020-07-28 19:02:19,198 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-28 19:02:19,198 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-28 19:02:19,198 WARN L170 areAnnotationChecker]: L893-1 has no Hoare annotation [2020-07-28 19:02:19,199 WARN L170 areAnnotationChecker]: L887-6 has no Hoare annotation [2020-07-28 19:02:19,199 WARN L170 areAnnotationChecker]: L887-6 has no Hoare annotation [2020-07-28 19:02:19,199 WARN L170 areAnnotationChecker]: L912-4 has no Hoare annotation [2020-07-28 19:02:19,200 WARN L170 areAnnotationChecker]: L887-27 has no Hoare annotation [2020-07-28 19:02:19,201 WARN L170 areAnnotationChecker]: L887-27 has no Hoare annotation [2020-07-28 19:02:19,201 WARN L170 areAnnotationChecker]: L670-10 has no Hoare annotation [2020-07-28 19:02:19,201 WARN L170 areAnnotationChecker]: L670-10 has no Hoare annotation [2020-07-28 19:02:19,201 WARN L170 areAnnotationChecker]: L737-11 has no Hoare annotation [2020-07-28 19:02:19,201 WARN L170 areAnnotationChecker]: L737-11 has no Hoare annotation [2020-07-28 19:02:19,201 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 19:02:19,202 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 19:02:19,202 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:02:19,202 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:02:19,202 WARN L170 areAnnotationChecker]: L887-8 has no Hoare annotation [2020-07-28 19:02:19,202 WARN L170 areAnnotationChecker]: L763-4 has no Hoare annotation [2020-07-28 19:02:19,202 WARN L170 areAnnotationChecker]: L763-4 has no Hoare annotation [2020-07-28 19:02:19,202 WARN L170 areAnnotationChecker]: L887-29 has no Hoare annotation [2020-07-28 19:02:19,203 WARN L170 areAnnotationChecker]: L675-10 has no Hoare annotation [2020-07-28 19:02:19,203 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:02:19,203 WARN L170 areAnnotationChecker]: L893-2 has no Hoare annotation [2020-07-28 19:02:19,203 WARN L170 areAnnotationChecker]: L733-8 has no Hoare annotation [2020-07-28 19:02:19,203 WARN L170 areAnnotationChecker]: L733-8 has no Hoare annotation [2020-07-28 19:02:19,203 WARN L170 areAnnotationChecker]: L893-9 has no Hoare annotation [2020-07-28 19:02:19,204 WARN L170 areAnnotationChecker]: L887-30 has no Hoare annotation [2020-07-28 19:02:19,204 WARN L170 areAnnotationChecker]: L887-30 has no Hoare annotation [2020-07-28 19:02:19,204 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-28 19:02:19,204 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-28 19:02:19,204 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:02:19,204 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:02:19,204 WARN L170 areAnnotationChecker]: L670-8 has no Hoare annotation [2020-07-28 19:02:19,205 WARN L170 areAnnotationChecker]: L670-8 has no Hoare annotation [2020-07-28 19:02:19,205 WARN L170 areAnnotationChecker]: L737-9 has no Hoare annotation [2020-07-28 19:02:19,205 WARN L170 areAnnotationChecker]: L737-9 has no Hoare annotation [2020-07-28 19:02:19,205 WARN L170 areAnnotationChecker]: L887-32 has no Hoare annotation [2020-07-28 19:02:19,205 WARN L170 areAnnotationChecker]: L887-2 has no Hoare annotation [2020-07-28 19:02:19,205 WARN L170 areAnnotationChecker]: L675-8 has no Hoare annotation [2020-07-28 19:02:19,206 WARN L170 areAnnotationChecker]: L893-10 has no Hoare annotation [2020-07-28 19:02:19,206 WARN L170 areAnnotationChecker]: L893 has no Hoare annotation [2020-07-28 19:02:19,206 WARN L170 areAnnotationChecker]: L887-24 has no Hoare annotation [2020-07-28 19:02:19,206 WARN L170 areAnnotationChecker]: L887-24 has no Hoare annotation [2020-07-28 19:02:19,206 WARN L170 areAnnotationChecker]: L737-10 has no Hoare annotation [2020-07-28 19:02:19,206 WARN L170 areAnnotationChecker]: L737-10 has no Hoare annotation [2020-07-28 19:02:19,207 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:02:19,207 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:02:19,207 WARN L170 areAnnotationChecker]: L887-26 has no Hoare annotation [2020-07-28 19:02:19,207 WARN L170 areAnnotationChecker]: L893-8 has no Hoare annotation [2020-07-28 19:02:19,207 WARN L170 areAnnotationChecker]: L737-8 has no Hoare annotation [2020-07-28 19:02:19,207 WARN L170 areAnnotationChecker]: L737-8 has no Hoare annotation [2020-07-28 19:02:19,208 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 19:02:19,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:02:19 BoogieIcfgContainer [2020-07-28 19:02:19,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:02:19,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:02:19,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:02:19,213 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:02:19,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:11" (3/4) ... [2020-07-28 19:02:19,216 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:02:19,367 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:02:19,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:02:19,370 INFO L168 Benchmark]: Toolchain (without parser) took 11391.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.9 MB). Free memory was 954.9 MB in the beginning and 1.2 GB in the end (delta: -262.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:19,371 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:19,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:19,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.81 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 19:02:19,372 INFO L168 Benchmark]: Boogie Preprocessor took 93.41 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:19,373 INFO L168 Benchmark]: RCFGBuilder took 2210.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.9 MB in the end (delta: 231.4 MB). Peak memory consumption was 231.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:19,373 INFO L168 Benchmark]: TraceAbstraction took 8093.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.6 MB). Free memory was 875.9 MB in the beginning and 1.2 GB in the end (delta: -360.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:19,374 INFO L168 Benchmark]: Witness Printer took 155.19 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:19,375 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 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 673.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 155.81 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 93.41 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2210.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.9 MB in the end (delta: 231.4 MB). Peak memory consumption was 231.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8093.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.6 MB). Free memory was 875.9 MB in the beginning and 1.2 GB in the end (delta: -360.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 155.19 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1013]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L694] int pumpRunning = 0; [L695] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] 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] [L605] COND TRUE waterLevel < 2 [L606] 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)) [L986] tmp___1 = __VERIFIER_nondet_int() [L988] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L920] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L927] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L701] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L708] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L550] int tmp ; [L551] int tmp___0 ; [L552] int tmp___1 ; [L626] int retValue_acc ; [L629] retValue_acc = methaneLevelCritical [L630] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L556] tmp = isMethaneLevelCritical() [L558] COND FALSE !(\read(tmp)) [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L562] tmp___0 = getWaterLevel() [L564] COND TRUE tmp___0 == 2 [L834] int retValue_acc ; [L837] retValue_acc = pumpRunning [L838] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] tmp___1 = isPumpRunning() [L568] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1013] __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: 751 SDtfs, 885 SDslu, 457 SDs, 0 SdLazy, 75 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 269 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 4928 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...