./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product15.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_product15.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 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:01:18,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:18,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:18,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:18,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:18,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:18,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:18,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:18,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:18,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:18,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:18,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:18,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:18,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:18,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:18,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:18,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:18,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:18,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:18,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:18,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:18,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:18,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:18,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:18,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:18,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:18,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:18,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:18,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:18,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:18,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:18,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:18,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:18,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:18,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:18,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:18,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:18,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:18,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:18,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:18,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:18,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:18,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:18,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:18,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:18,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:18,597 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:18,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:18,598 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:18,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:18,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:18,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:18,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:18,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:18,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:18,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:18,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:18,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:18,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:18,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:18,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:18,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:18,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:18,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:18,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:18,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:18,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:18,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:18,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:18,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:18,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:18,603 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 -> 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 [2020-07-28 19:01:18,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:18,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:18,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:18,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:18,921 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:18,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2020-07-28 19:01:18,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da582a7bc/57e09edf28554f1cb2cc90c8b6a056dd/FLAGc95cdc207 [2020-07-28 19:01:19,497 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:19,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2020-07-28 19:01:19,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da582a7bc/57e09edf28554f1cb2cc90c8b6a056dd/FLAGc95cdc207 [2020-07-28 19:01:19,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da582a7bc/57e09edf28554f1cb2cc90c8b6a056dd [2020-07-28 19:01:19,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:19,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:19,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:19,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:19,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:19,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:19" (1/1) ... [2020-07-28 19:01:19,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62886f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:19, skipping insertion in model container [2020-07-28 19:01:19,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:19" (1/1) ... [2020-07-28 19:01:19,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:19,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:20,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:20,377 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:20,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:20,519 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:20,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20 WrapperNode [2020-07-28 19:01:20,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:20,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:20,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:20,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:20,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:20,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:20,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:20,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:20,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... [2020-07-28 19:01:20,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:20,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:20,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:20,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:20,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:22,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:22,173 INFO L295 CfgBuilder]: Removed 106 assume(true) statements. [2020-07-28 19:01:22,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:22 BoogieIcfgContainer [2020-07-28 19:01:22,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:22,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:22,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:22,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:22,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:19" (1/3) ... [2020-07-28 19:01:22,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efcc0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:22, skipping insertion in model container [2020-07-28 19:01:22,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:20" (2/3) ... [2020-07-28 19:01:22,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efcc0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:22, skipping insertion in model container [2020-07-28 19:01:22,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:22" (3/3) ... [2020-07-28 19:01:22,187 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2020-07-28 19:01:22,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:22,207 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:22,222 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:22,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:22,248 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:22,248 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:22,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:22,249 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:22,249 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:22,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:22,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2020-07-28 19:01:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:22,277 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:22,278 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 19:01:22,278 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:22,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:22,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2020-07-28 19:01:22,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:22,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674696829] [2020-07-28 19:01:22,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:22,671 INFO L280 TraceCheckUtils]: 0: Hoare triple {80#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);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(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {80#true} is VALID [2020-07-28 19:01:22,672 INFO L280 TraceCheckUtils]: 1: Hoare triple {80#true} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; {80#true} is VALID [2020-07-28 19:01:22,672 INFO L280 TraceCheckUtils]: 2: Hoare triple {80#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {80#true} is VALID [2020-07-28 19:01:22,672 INFO L280 TraceCheckUtils]: 3: Hoare triple {80#true} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {80#true} is VALID [2020-07-28 19:01:22,673 INFO L280 TraceCheckUtils]: 4: Hoare triple {80#true} assume 0 != main_~tmp~6; {80#true} is VALID [2020-07-28 19:01:22,674 INFO L280 TraceCheckUtils]: 5: Hoare triple {80#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {80#true} is VALID [2020-07-28 19:01:22,675 INFO L280 TraceCheckUtils]: 6: Hoare triple {80#true} assume false; {81#false} is VALID [2020-07-28 19:01:22,675 INFO L280 TraceCheckUtils]: 7: Hoare triple {81#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {81#false} is VALID [2020-07-28 19:01:22,676 INFO L280 TraceCheckUtils]: 8: Hoare triple {81#false} assume !(0 != ~pumpRunning~0); {81#false} is VALID [2020-07-28 19:01:22,676 INFO L280 TraceCheckUtils]: 9: Hoare triple {81#false} assume !(0 != ~systemActive~0); {81#false} is VALID [2020-07-28 19:01:22,677 INFO L280 TraceCheckUtils]: 10: Hoare triple {81#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {81#false} is VALID [2020-07-28 19:01:22,677 INFO L280 TraceCheckUtils]: 11: Hoare triple {81#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {81#false} is VALID [2020-07-28 19:01:22,677 INFO L280 TraceCheckUtils]: 12: Hoare triple {81#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {81#false} is VALID [2020-07-28 19:01:22,678 INFO L280 TraceCheckUtils]: 13: Hoare triple {81#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {81#false} is VALID [2020-07-28 19:01:22,678 INFO L280 TraceCheckUtils]: 14: Hoare triple {81#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {81#false} is VALID [2020-07-28 19:01:22,679 INFO L280 TraceCheckUtils]: 15: Hoare triple {81#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {81#false} is VALID [2020-07-28 19:01:22,679 INFO L280 TraceCheckUtils]: 16: Hoare triple {81#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {81#false} is VALID [2020-07-28 19:01:22,679 INFO L280 TraceCheckUtils]: 17: Hoare triple {81#false} assume !false; {81#false} is VALID [2020-07-28 19:01:22,684 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 19:01:22,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674696829] [2020-07-28 19:01:22,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:22,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:22,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647248733] [2020-07-28 19:01:22,694 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:22,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:22,700 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:22,742 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 19:01:22,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:22,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:22,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:22,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:22,756 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2020-07-28 19:01:22,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:22,980 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2020-07-28 19:01:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:22,981 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:22,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 221 transitions. [2020-07-28 19:01:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 221 transitions. [2020-07-28 19:01:23,002 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 221 transitions. [2020-07-28 19:01:23,294 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 221 edges. 221 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:23,311 INFO L225 Difference]: With dead ends: 148 [2020-07-28 19:01:23,311 INFO L226 Difference]: Without dead ends: 73 [2020-07-28 19:01:23,316 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 19:01:23,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-28 19:01:23,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-07-28 19:01:23,366 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:23,367 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:23,368 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:23,368 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:23,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:23,375 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-07-28 19:01:23,375 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-07-28 19:01:23,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:23,376 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:23,376 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:23,377 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:23,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:23,382 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-07-28 19:01:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-07-28 19:01:23,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:23,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:23,384 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:23,385 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-28 19:01:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-07-28 19:01:23,391 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2020-07-28 19:01:23,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:23,392 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-07-28 19:01:23,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-07-28 19:01:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:23,394 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:23,394 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 19:01:23,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:23,395 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:23,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:23,395 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2020-07-28 19:01:23,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:23,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403905600] [2020-07-28 19:01:23,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:23,559 INFO L280 TraceCheckUtils]: 0: Hoare triple {551#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);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(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {551#true} is VALID [2020-07-28 19:01:23,560 INFO L280 TraceCheckUtils]: 1: Hoare triple {551#true} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; {551#true} is VALID [2020-07-28 19:01:23,560 INFO L280 TraceCheckUtils]: 2: Hoare triple {551#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {551#true} is VALID [2020-07-28 19:01:23,560 INFO L280 TraceCheckUtils]: 3: Hoare triple {551#true} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {551#true} is VALID [2020-07-28 19:01:23,561 INFO L280 TraceCheckUtils]: 4: Hoare triple {551#true} assume 0 != main_~tmp~6; {551#true} is VALID [2020-07-28 19:01:23,562 INFO L280 TraceCheckUtils]: 5: Hoare triple {551#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {553#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:23,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {553#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {553#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:23,564 INFO L280 TraceCheckUtils]: 7: Hoare triple {553#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {552#false} is VALID [2020-07-28 19:01:23,564 INFO L280 TraceCheckUtils]: 8: Hoare triple {552#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {552#false} is VALID [2020-07-28 19:01:23,564 INFO L280 TraceCheckUtils]: 9: Hoare triple {552#false} assume !(0 != ~pumpRunning~0); {552#false} is VALID [2020-07-28 19:01:23,564 INFO L280 TraceCheckUtils]: 10: Hoare triple {552#false} assume !(0 != ~systemActive~0); {552#false} is VALID [2020-07-28 19:01:23,565 INFO L280 TraceCheckUtils]: 11: Hoare triple {552#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {552#false} is VALID [2020-07-28 19:01:23,565 INFO L280 TraceCheckUtils]: 12: Hoare triple {552#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {552#false} is VALID [2020-07-28 19:01:23,565 INFO L280 TraceCheckUtils]: 13: Hoare triple {552#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {552#false} is VALID [2020-07-28 19:01:23,566 INFO L280 TraceCheckUtils]: 14: Hoare triple {552#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {552#false} is VALID [2020-07-28 19:01:23,566 INFO L280 TraceCheckUtils]: 15: Hoare triple {552#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {552#false} is VALID [2020-07-28 19:01:23,566 INFO L280 TraceCheckUtils]: 16: Hoare triple {552#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {552#false} is VALID [2020-07-28 19:01:23,567 INFO L280 TraceCheckUtils]: 17: Hoare triple {552#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {552#false} is VALID [2020-07-28 19:01:23,567 INFO L280 TraceCheckUtils]: 18: Hoare triple {552#false} assume !false; {552#false} is VALID [2020-07-28 19:01:23,569 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 19:01:23,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403905600] [2020-07-28 19:01:23,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:23,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:23,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390303022] [2020-07-28 19:01:23,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:23,572 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:23,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:23,606 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 19:01:23,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:23,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:23,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:23,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:23,607 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-07-28 19:01:23,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:23,820 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-07-28 19:01:23,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:23,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:23,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2020-07-28 19:01:23,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2020-07-28 19:01:23,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 102 transitions. [2020-07-28 19:01:23,979 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:23,980 INFO L225 Difference]: With dead ends: 73 [2020-07-28 19:01:23,980 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 19:01:23,982 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 19:01:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 19:01:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 19:01:23,997 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:23,997 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:23,997 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:23,997 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:23,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:24,000 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 19:01:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:24,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:24,001 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:24,001 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:24,001 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:24,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:24,003 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 19:01:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:24,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:24,004 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:24,004 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:24,004 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 19:01:24,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-07-28 19:01:24,007 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-07-28 19:01:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:24,007 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-07-28 19:01:24,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:24,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:24,008 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 19:01:24,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:24,009 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:24,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:24,010 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2020-07-28 19:01:24,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:24,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704765048] [2020-07-28 19:01:24,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:24,116 INFO L280 TraceCheckUtils]: 0: Hoare triple {782#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);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(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,117 INFO L280 TraceCheckUtils]: 1: Hoare triple {784#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,118 INFO L280 TraceCheckUtils]: 2: Hoare triple {784#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,120 INFO L280 TraceCheckUtils]: 3: Hoare triple {784#(= 1 ~systemActive~0)} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,121 INFO L280 TraceCheckUtils]: 4: Hoare triple {784#(= 1 ~systemActive~0)} assume 0 != main_~tmp~6; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,122 INFO L280 TraceCheckUtils]: 5: Hoare triple {784#(= 1 ~systemActive~0)} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,123 INFO L280 TraceCheckUtils]: 6: Hoare triple {784#(= 1 ~systemActive~0)} assume !false; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,124 INFO L280 TraceCheckUtils]: 7: Hoare triple {784#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,125 INFO L280 TraceCheckUtils]: 8: Hoare triple {784#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,127 INFO L280 TraceCheckUtils]: 9: Hoare triple {784#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~2); {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,128 INFO L280 TraceCheckUtils]: 10: Hoare triple {784#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,130 INFO L280 TraceCheckUtils]: 11: Hoare triple {784#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,131 INFO L280 TraceCheckUtils]: 12: Hoare triple {784#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,132 INFO L280 TraceCheckUtils]: 13: Hoare triple {784#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,133 INFO L280 TraceCheckUtils]: 14: Hoare triple {784#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:24,134 INFO L280 TraceCheckUtils]: 15: Hoare triple {784#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {783#false} is VALID [2020-07-28 19:01:24,134 INFO L280 TraceCheckUtils]: 16: Hoare triple {783#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {783#false} is VALID [2020-07-28 19:01:24,134 INFO L280 TraceCheckUtils]: 17: Hoare triple {783#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {783#false} is VALID [2020-07-28 19:01:24,135 INFO L280 TraceCheckUtils]: 18: Hoare triple {783#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {783#false} is VALID [2020-07-28 19:01:24,135 INFO L280 TraceCheckUtils]: 19: Hoare triple {783#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {783#false} is VALID [2020-07-28 19:01:24,135 INFO L280 TraceCheckUtils]: 20: Hoare triple {783#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {783#false} is VALID [2020-07-28 19:01:24,136 INFO L280 TraceCheckUtils]: 21: Hoare triple {783#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {783#false} is VALID [2020-07-28 19:01:24,136 INFO L280 TraceCheckUtils]: 22: Hoare triple {783#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {783#false} is VALID [2020-07-28 19:01:24,136 INFO L280 TraceCheckUtils]: 23: Hoare triple {783#false} assume !false; {783#false} is VALID [2020-07-28 19:01:24,140 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 19:01:24,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704765048] [2020-07-28 19:01:24,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:24,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:24,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286183737] [2020-07-28 19:01:24,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:24,142 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:24,142 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:24,177 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 19:01:24,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:24,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:24,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:24,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:24,178 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-07-28 19:01:24,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:24,396 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-07-28 19:01:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:24,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:24,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2020-07-28 19:01:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2020-07-28 19:01:24,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 135 transitions. [2020-07-28 19:01:24,572 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:24,575 INFO L225 Difference]: With dead ends: 93 [2020-07-28 19:01:24,576 INFO L226 Difference]: Without dead ends: 64 [2020-07-28 19:01:24,578 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 19:01:24,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-28 19:01:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-07-28 19:01:24,630 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:24,631 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 60 states. [2020-07-28 19:01:24,631 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 60 states. [2020-07-28 19:01:24,631 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 60 states. [2020-07-28 19:01:24,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:24,640 INFO L93 Difference]: Finished difference Result 64 states and 91 transitions. [2020-07-28 19:01:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2020-07-28 19:01:24,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:24,641 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:24,641 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 64 states. [2020-07-28 19:01:24,641 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 64 states. [2020-07-28 19:01:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:24,647 INFO L93 Difference]: Finished difference Result 64 states and 91 transitions. [2020-07-28 19:01:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2020-07-28 19:01:24,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:24,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:24,652 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:24,652 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:01:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-07-28 19:01:24,658 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 24 [2020-07-28 19:01:24,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:24,659 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-07-28 19:01:24,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-07-28 19:01:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:24,660 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:24,662 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] [2020-07-28 19:01:24,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:24,663 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:24,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:24,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2020-07-28 19:01:24,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:24,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115105448] [2020-07-28 19:01:24,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:24,822 INFO L280 TraceCheckUtils]: 0: Hoare triple {1133#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);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(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,823 INFO L280 TraceCheckUtils]: 1: Hoare triple {1135#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,823 INFO L280 TraceCheckUtils]: 2: Hoare triple {1135#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,825 INFO L280 TraceCheckUtils]: 3: Hoare triple {1135#(= 1 ~waterLevel~0)} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,826 INFO L280 TraceCheckUtils]: 4: Hoare triple {1135#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,827 INFO L280 TraceCheckUtils]: 5: Hoare triple {1135#(= 1 ~waterLevel~0)} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,829 INFO L280 TraceCheckUtils]: 6: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !false; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,831 INFO L280 TraceCheckUtils]: 7: Hoare triple {1135#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,832 INFO L280 TraceCheckUtils]: 8: Hoare triple {1135#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,833 INFO L280 TraceCheckUtils]: 9: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~2); {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,833 INFO L280 TraceCheckUtils]: 10: Hoare triple {1135#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,834 INFO L280 TraceCheckUtils]: 11: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,835 INFO L280 TraceCheckUtils]: 12: Hoare triple {1135#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,835 INFO L280 TraceCheckUtils]: 13: Hoare triple {1135#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,836 INFO L280 TraceCheckUtils]: 14: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,836 INFO L280 TraceCheckUtils]: 15: Hoare triple {1135#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,837 INFO L280 TraceCheckUtils]: 16: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,838 INFO L280 TraceCheckUtils]: 17: Hoare triple {1135#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,838 INFO L280 TraceCheckUtils]: 18: Hoare triple {1135#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:24,839 INFO L280 TraceCheckUtils]: 19: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {1136#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:24,840 INFO L280 TraceCheckUtils]: 20: Hoare triple {1136#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {1137#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1 1)} is VALID [2020-07-28 19:01:24,841 INFO L280 TraceCheckUtils]: 21: Hoare triple {1137#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1134#false} is VALID [2020-07-28 19:01:24,841 INFO L280 TraceCheckUtils]: 22: Hoare triple {1134#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {1134#false} is VALID [2020-07-28 19:01:24,841 INFO L280 TraceCheckUtils]: 23: Hoare triple {1134#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1134#false} is VALID [2020-07-28 19:01:24,842 INFO L280 TraceCheckUtils]: 24: Hoare triple {1134#false} assume !false; {1134#false} is VALID [2020-07-28 19:01:24,843 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 19:01:24,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115105448] [2020-07-28 19:01:24,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:24,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:24,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350445824] [2020-07-28 19:01:24,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:24,845 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:24,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:24,880 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:24,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:24,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:24,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:24,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:24,881 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2020-07-28 19:01:25,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:25,689 INFO L93 Difference]: Finished difference Result 320 states and 488 transitions. [2020-07-28 19:01:25,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:25,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:25,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 262 transitions. [2020-07-28 19:01:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 262 transitions. [2020-07-28 19:01:25,700 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 262 transitions. [2020-07-28 19:01:26,004 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:26,018 INFO L225 Difference]: With dead ends: 320 [2020-07-28 19:01:26,018 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 19:01:26,019 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 19:01:26,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 19:01:26,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2020-07-28 19:01:26,123 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:26,123 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 108 states. [2020-07-28 19:01:26,123 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 108 states. [2020-07-28 19:01:26,123 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 108 states. [2020-07-28 19:01:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:26,135 INFO L93 Difference]: Finished difference Result 266 states and 393 transitions. [2020-07-28 19:01:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 393 transitions. [2020-07-28 19:01:26,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:26,137 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:26,137 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand 266 states. [2020-07-28 19:01:26,137 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 266 states. [2020-07-28 19:01:26,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:26,149 INFO L93 Difference]: Finished difference Result 266 states and 393 transitions. [2020-07-28 19:01:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 393 transitions. [2020-07-28 19:01:26,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:26,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:26,151 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:26,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-28 19:01:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2020-07-28 19:01:26,155 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 25 [2020-07-28 19:01:26,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:26,155 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2020-07-28 19:01:26,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2020-07-28 19:01:26,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:26,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:26,156 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] [2020-07-28 19:01:26,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:26,157 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:26,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:26,157 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2020-07-28 19:01:26,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:26,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983598416] [2020-07-28 19:01:26,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:26,214 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:26,261 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:26,301 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:26,301 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:26,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:26,444 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:26,444 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:26,444 WARN L170 areAnnotationChecker]: L897 has no Hoare annotation [2020-07-28 19:01:26,444 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-28 19:01:26,445 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-28 19:01:26,445 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-28 19:01:26,445 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-28 19:01:26,445 WARN L170 areAnnotationChecker]: L817-1 has no Hoare annotation [2020-07-28 19:01:26,445 WARN L170 areAnnotationChecker]: L847-1 has no Hoare annotation [2020-07-28 19:01:26,446 WARN L170 areAnnotationChecker]: L847-1 has no Hoare annotation [2020-07-28 19:01:26,446 WARN L170 areAnnotationChecker]: L847-1 has no Hoare annotation [2020-07-28 19:01:26,446 WARN L170 areAnnotationChecker]: L826 has no Hoare annotation [2020-07-28 19:01:26,446 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-28 19:01:26,446 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 19:01:26,446 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 19:01:26,447 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:26,447 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 19:01:26,447 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 19:01:26,447 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-28 19:01:26,447 WARN L170 areAnnotationChecker]: L658-3 has no Hoare annotation [2020-07-28 19:01:26,448 WARN L170 areAnnotationChecker]: L658-3 has no Hoare annotation [2020-07-28 19:01:26,448 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-28 19:01:26,448 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-28 19:01:26,448 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-28 19:01:26,448 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-28 19:01:26,448 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 19:01:26,448 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 19:01:26,448 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 19:01:26,449 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 19:01:26,452 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 19:01:26,452 WARN L170 areAnnotationChecker]: L238-1 has no Hoare annotation [2020-07-28 19:01:26,452 WARN L170 areAnnotationChecker]: L695-2 has no Hoare annotation [2020-07-28 19:01:26,452 WARN L170 areAnnotationChecker]: L695-3 has no Hoare annotation [2020-07-28 19:01:26,452 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 19:01:26,453 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 19:01:26,453 WARN L170 areAnnotationChecker]: L150-1 has no Hoare annotation [2020-07-28 19:01:26,454 WARN L170 areAnnotationChecker]: L841-2 has no Hoare annotation [2020-07-28 19:01:26,454 WARN L170 areAnnotationChecker]: L841-2 has no Hoare annotation [2020-07-28 19:01:26,454 WARN L170 areAnnotationChecker]: L682 has no Hoare annotation [2020-07-28 19:01:26,454 WARN L170 areAnnotationChecker]: L682 has no Hoare annotation [2020-07-28 19:01:26,454 WARN L170 areAnnotationChecker]: L248-1 has no Hoare annotation [2020-07-28 19:01:26,454 WARN L170 areAnnotationChecker]: L93-1 has no Hoare annotation [2020-07-28 19:01:26,454 WARN L170 areAnnotationChecker]: L93-1 has no Hoare annotation [2020-07-28 19:01:26,455 WARN L170 areAnnotationChecker]: L847-3 has no Hoare annotation [2020-07-28 19:01:26,455 WARN L170 areAnnotationChecker]: L727-1 has no Hoare annotation [2020-07-28 19:01:26,455 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 19:01:26,455 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 19:01:26,455 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-28 19:01:26,455 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-28 19:01:26,455 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-28 19:01:26,455 WARN L170 areAnnotationChecker]: L847-2 has no Hoare annotation [2020-07-28 19:01:26,456 WARN L170 areAnnotationChecker]: L847-2 has no Hoare annotation [2020-07-28 19:01:26,456 WARN L170 areAnnotationChecker]: L264-1 has no Hoare annotation [2020-07-28 19:01:26,456 WARN L170 areAnnotationChecker]: L264-1 has no Hoare annotation [2020-07-28 19:01:26,456 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-28 19:01:26,456 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-28 19:01:26,456 WARN L170 areAnnotationChecker]: L744 has no Hoare annotation [2020-07-28 19:01:26,456 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 19:01:26,457 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-28 19:01:26,457 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-28 19:01:26,457 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 19:01:26,457 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 19:01:26,457 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 19:01:26,457 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 19:01:26,457 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-28 19:01:26,458 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-28 19:01:26,458 WARN L170 areAnnotationChecker]: L851-2 has no Hoare annotation [2020-07-28 19:01:26,458 WARN L170 areAnnotationChecker]: L851-2 has no Hoare annotation [2020-07-28 19:01:26,458 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:01:26,458 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:01:26,458 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:01:26,458 WARN L170 areAnnotationChecker]: L203-1 has no Hoare annotation [2020-07-28 19:01:26,459 WARN L170 areAnnotationChecker]: L747-1 has no Hoare annotation [2020-07-28 19:01:26,459 WARN L170 areAnnotationChecker]: L747-1 has no Hoare annotation [2020-07-28 19:01:26,459 WARN L170 areAnnotationChecker]: L870-1 has no Hoare annotation [2020-07-28 19:01:26,459 WARN L170 areAnnotationChecker]: L870-1 has no Hoare annotation [2020-07-28 19:01:26,459 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-28 19:01:26,459 WARN L170 areAnnotationChecker]: L695-1 has no Hoare annotation [2020-07-28 19:01:26,459 WARN L170 areAnnotationChecker]: L658-6 has no Hoare annotation [2020-07-28 19:01:26,460 WARN L170 areAnnotationChecker]: L658-6 has no Hoare annotation [2020-07-28 19:01:26,460 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-28 19:01:26,460 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-28 19:01:26,460 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-28 19:01:26,460 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-28 19:01:26,460 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-28 19:01:26,460 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 19:01:26,461 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 19:01:26,461 WARN L170 areAnnotationChecker]: L64-2 has no Hoare annotation [2020-07-28 19:01:26,461 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:01:26,461 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:01:26,461 WARN L170 areAnnotationChecker]: L727 has no Hoare annotation [2020-07-28 19:01:26,461 WARN L170 areAnnotationChecker]: L695-4 has no Hoare annotation [2020-07-28 19:01:26,461 WARN L170 areAnnotationChecker]: L695-5 has no Hoare annotation [2020-07-28 19:01:26,461 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 19:01:26,462 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 19:01:26,462 WARN L170 areAnnotationChecker]: L150-2 has no Hoare annotation [2020-07-28 19:01:26,462 WARN L170 areAnnotationChecker]: L841-4 has no Hoare annotation [2020-07-28 19:01:26,462 WARN L170 areAnnotationChecker]: L841-4 has no Hoare annotation [2020-07-28 19:01:26,462 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:01:26,462 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 19:01:26,462 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 19:01:26,463 WARN L170 areAnnotationChecker]: L847-5 has no Hoare annotation [2020-07-28 19:01:26,463 WARN L170 areAnnotationChecker]: L727-2 has no Hoare annotation [2020-07-28 19:01:26,463 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-28 19:01:26,463 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-28 19:01:26,463 WARN L170 areAnnotationChecker]: L847-4 has no Hoare annotation [2020-07-28 19:01:26,463 WARN L170 areAnnotationChecker]: L847-4 has no Hoare annotation [2020-07-28 19:01:26,463 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2020-07-28 19:01:26,464 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2020-07-28 19:01:26,464 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 19:01:26,464 WARN L170 areAnnotationChecker]: L851-4 has no Hoare annotation [2020-07-28 19:01:26,464 WARN L170 areAnnotationChecker]: L851-4 has no Hoare annotation [2020-07-28 19:01:26,464 WARN L170 areAnnotationChecker]: L870-2 has no Hoare annotation [2020-07-28 19:01:26,464 WARN L170 areAnnotationChecker]: L870-2 has no Hoare annotation [2020-07-28 19:01:26,465 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 19:01:26,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:26 BoogieIcfgContainer [2020-07-28 19:01:26,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:26,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:26,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:26,470 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:26,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:22" (3/4) ... [2020-07-28 19:01:26,472 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:26,601 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:26,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:26,604 INFO L168 Benchmark]: Toolchain (without parser) took 6779.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 961.6 MB in the beginning and 847.3 MB in the end (delta: 114.3 MB). Peak memory consumption was 336.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:26,605 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:26,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:26,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.04 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 19:01:26,607 INFO L168 Benchmark]: Boogie Preprocessor took 44.95 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 19:01:26,607 INFO L168 Benchmark]: RCFGBuilder took 1509.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 144.7 MB). Peak memory consumption was 144.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:26,608 INFO L168 Benchmark]: TraceAbstraction took 4289.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 975.7 MB in the beginning and 869.9 MB in the end (delta: 105.7 MB). Peak memory consumption was 175.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:26,609 INFO L168 Benchmark]: Witness Printer took 131.95 ms. Allocated memory is still 1.3 GB. Free memory was 869.9 MB in the beginning and 847.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:26,612 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 693.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.04 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 44.95 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. * RCFGBuilder took 1509.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 144.7 MB). Peak memory consumption was 144.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4289.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 975.7 MB in the beginning and 869.9 MB in the end (delta: 105.7 MB). Peak memory consumption was 175.5 MB. Max. memory is 11.5 GB. * Witness Printer took 131.95 ms. Allocated memory is still 1.3 GB. Free memory was 869.9 MB in the beginning and 847.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 870]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L809] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L228] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L236] tmp = __VERIFIER_nondet_int() [L238] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] COND TRUE waterLevel < 2 [L671] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L64] COND TRUE \read(systemActive) [L86] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L89] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L845] tmp___0 = getWaterLevel() [L847] COND TRUE tmp___0 == 2 [L155] int retValue_acc ; [L158] retValue_acc = pumpRunning [L159] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] tmp___1 = isPumpRunning() [L851] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 280 SDtfs, 272 SDslu, 233 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 162 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...