./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product59.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_product59.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 fb1767f688fc9701e1f3b125f3120ace113b61a7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:02:10,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:02:10,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:02:10,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:02:10,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:02:10,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:02:10,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:02:10,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:02:10,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:02:10,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:02:10,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:02:10,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:02:10,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:02:10,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:02:10,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:02:10,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:02:10,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:02:10,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:02:10,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:02:10,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:02:10,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:02:10,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:02:10,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:02:10,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:02:10,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:02:10,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:02:10,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:02:10,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:02:10,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:02:10,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:02:10,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:02:10,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:02:10,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:02:10,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:02:10,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:02:10,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:02:10,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:02:10,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:02:10,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:02:10,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:02:10,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:02:10,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:02:10,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:02:10,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:02:10,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:02:10,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:02:10,294 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:02:10,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:02:10,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:02:10,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:02:10,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:02:10,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:02:10,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:02:10,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:02:10,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:02:10,297 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:02:10,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:02:10,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:02:10,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:02:10,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:02:10,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:02:10,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:02:10,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:02:10,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:10,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:02:10,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:02:10,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:02:10,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:02:10,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:02:10,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:02:10,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:02:10,302 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 -> fb1767f688fc9701e1f3b125f3120ace113b61a7 [2020-07-28 19:02:10,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:02:10,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:02:10,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:02:10,658 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:02:10,661 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:02:10,662 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2020-07-28 19:02:10,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3eb895c2/a141139d73914b999f70d87788115b95/FLAG0ffd5b3b4 [2020-07-28 19:02:11,244 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:02:11,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2020-07-28 19:02:11,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3eb895c2/a141139d73914b999f70d87788115b95/FLAG0ffd5b3b4 [2020-07-28 19:02:11,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3eb895c2/a141139d73914b999f70d87788115b95 [2020-07-28 19:02:11,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:02:11,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:02:11,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:11,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:02:11,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:02:11,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:11" (1/1) ... [2020-07-28 19:02:11,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73af02b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:11, skipping insertion in model container [2020-07-28 19:02:11,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:11" (1/1) ... [2020-07-28 19:02:11,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:02:11,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:02:12,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:12,231 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:02:12,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:12,369 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:02:12,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12 WrapperNode [2020-07-28 19:02:12,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:12,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:12,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:02:12,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:02:12,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:12,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:02:12,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:02:12,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:02:12,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... [2020-07-28 19:02:12,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:02:12,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:02:12,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:02:12,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:02:12,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:02:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:02:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:02:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:02:14,361 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:02:14,361 INFO L295 CfgBuilder]: Removed 202 assume(true) statements. [2020-07-28 19:02:14,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:14 BoogieIcfgContainer [2020-07-28 19:02:14,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:02:14,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:02:14,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:02:14,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:02:14,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:02:11" (1/3) ... [2020-07-28 19:02:14,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588f7089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:14, skipping insertion in model container [2020-07-28 19:02:14,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:12" (2/3) ... [2020-07-28 19:02:14,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588f7089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:14, skipping insertion in model container [2020-07-28 19:02:14,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:14" (3/3) ... [2020-07-28 19:02:14,377 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product59.cil.c [2020-07-28 19:02:14,391 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:02:14,399 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:02:14,414 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:02:14,439 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:02:14,440 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:02:14,440 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:02:14,440 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:02:14,441 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:02:14,441 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:02:14,441 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:02:14,441 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:02:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-07-28 19:02:14,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:02:14,472 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:14,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:14,474 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:14,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:14,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1718080062, now seen corresponding path program 1 times [2020-07-28 19:02:14,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:14,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956361660] [2020-07-28 19:02:14,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:14,890 INFO L280 TraceCheckUtils]: 0: Hoare triple {146#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {146#true} is VALID [2020-07-28 19:02:14,891 INFO L280 TraceCheckUtils]: 1: Hoare triple {146#true} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {146#true} is VALID [2020-07-28 19:02:14,892 INFO L280 TraceCheckUtils]: 2: Hoare triple {146#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; {146#true} is VALID [2020-07-28 19:02:14,892 INFO L280 TraceCheckUtils]: 3: Hoare triple {146#true} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {146#true} is VALID [2020-07-28 19:02:14,892 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#true} assume 0 != main_~tmp~3; {146#true} is VALID [2020-07-28 19:02:14,893 INFO L280 TraceCheckUtils]: 5: Hoare triple {146#true} havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {146#true} is VALID [2020-07-28 19:02:14,894 INFO L280 TraceCheckUtils]: 6: Hoare triple {146#true} assume false; {147#false} is VALID [2020-07-28 19:02:14,895 INFO L280 TraceCheckUtils]: 7: Hoare triple {147#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {147#false} is VALID [2020-07-28 19:02:14,895 INFO L280 TraceCheckUtils]: 8: Hoare triple {147#false} assume !(0 != ~pumpRunning~0); {147#false} is VALID [2020-07-28 19:02:14,896 INFO L280 TraceCheckUtils]: 9: Hoare triple {147#false} assume !(0 != ~systemActive~0); {147#false} is VALID [2020-07-28 19:02:14,898 INFO L280 TraceCheckUtils]: 10: Hoare triple {147#false} havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {147#false} is VALID [2020-07-28 19:02:14,898 INFO L280 TraceCheckUtils]: 11: Hoare triple {147#false} __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret47 && __utac_acc__Specification3_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; {147#false} is VALID [2020-07-28 19:02:14,899 INFO L280 TraceCheckUtils]: 12: Hoare triple {147#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {147#false} is VALID [2020-07-28 19:02:14,899 INFO L280 TraceCheckUtils]: 13: Hoare triple {147#false} __utac_acc__Specification3_spec__1_#t~ret48 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret48 && __utac_acc__Specification3_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret48;havoc __utac_acc__Specification3_spec__1_#t~ret48; {147#false} is VALID [2020-07-28 19:02:14,900 INFO L280 TraceCheckUtils]: 14: Hoare triple {147#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {147#false} is VALID [2020-07-28 19:02:14,901 INFO L280 TraceCheckUtils]: 15: Hoare triple {147#false} __utac_acc__Specification3_spec__1_#t~ret49 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret49 && __utac_acc__Specification3_spec__1_#t~ret49 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret49;havoc __utac_acc__Specification3_spec__1_#t~ret49; {147#false} is VALID [2020-07-28 19:02:14,901 INFO L280 TraceCheckUtils]: 16: Hoare triple {147#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {147#false} is VALID [2020-07-28 19:02:14,902 INFO L280 TraceCheckUtils]: 17: Hoare triple {147#false} assume !false; {147#false} is VALID [2020-07-28 19:02:14,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:14,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956361660] [2020-07-28 19:02:14,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:14,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:14,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568501452] [2020-07-28 19:02:14,921 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:02:14,923 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:14,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:02:14,986 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:14,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:02:14,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:14,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:02:14,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:02:14,999 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2020-07-28 19:02:15,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:15,404 INFO L93 Difference]: Finished difference Result 280 states and 419 transitions. [2020-07-28 19:02:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:02:15,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:02:15,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 419 transitions. [2020-07-28 19:02:15,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 419 transitions. [2020-07-28 19:02:15,430 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 419 transitions. [2020-07-28 19:02:15,980 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 419 edges. 419 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:15,999 INFO L225 Difference]: With dead ends: 280 [2020-07-28 19:02:15,999 INFO L226 Difference]: Without dead ends: 139 [2020-07-28 19:02:16,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:02:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-28 19:02:16,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-28 19:02:16,079 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:16,079 INFO L82 GeneralOperation]: Start isEquivalent. First operand 139 states. Second operand 139 states. [2020-07-28 19:02:16,080 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand 139 states. [2020-07-28 19:02:16,080 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 139 states. [2020-07-28 19:02:16,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:16,089 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2020-07-28 19:02:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2020-07-28 19:02:16,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:16,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:16,091 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand 139 states. [2020-07-28 19:02:16,091 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 139 states. [2020-07-28 19:02:16,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:16,099 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2020-07-28 19:02:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2020-07-28 19:02:16,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:16,101 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:16,101 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:16,102 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-28 19:02:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2020-07-28 19:02:16,110 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 18 [2020-07-28 19:02:16,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:16,111 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2020-07-28 19:02:16,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:02:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2020-07-28 19:02:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:02:16,112 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:16,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:16,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:02:16,113 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:16,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1665856481, now seen corresponding path program 1 times [2020-07-28 19:02:16,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:16,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277192649] [2020-07-28 19:02:16,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:16,280 INFO L280 TraceCheckUtils]: 0: Hoare triple {1019#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1019#true} is VALID [2020-07-28 19:02:16,280 INFO L280 TraceCheckUtils]: 1: Hoare triple {1019#true} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {1019#true} is VALID [2020-07-28 19:02:16,280 INFO L280 TraceCheckUtils]: 2: Hoare triple {1019#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; {1019#true} is VALID [2020-07-28 19:02:16,281 INFO L280 TraceCheckUtils]: 3: Hoare triple {1019#true} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {1019#true} is VALID [2020-07-28 19:02:16,281 INFO L280 TraceCheckUtils]: 4: Hoare triple {1019#true} assume 0 != main_~tmp~3; {1019#true} is VALID [2020-07-28 19:02:16,282 INFO L280 TraceCheckUtils]: 5: Hoare triple {1019#true} havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1021#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:16,283 INFO L280 TraceCheckUtils]: 6: Hoare triple {1021#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1021#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:16,283 INFO L280 TraceCheckUtils]: 7: Hoare triple {1021#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1020#false} is VALID [2020-07-28 19:02:16,284 INFO L280 TraceCheckUtils]: 8: Hoare triple {1020#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1020#false} is VALID [2020-07-28 19:02:16,284 INFO L280 TraceCheckUtils]: 9: Hoare triple {1020#false} assume !(0 != ~pumpRunning~0); {1020#false} is VALID [2020-07-28 19:02:16,284 INFO L280 TraceCheckUtils]: 10: Hoare triple {1020#false} assume !(0 != ~systemActive~0); {1020#false} is VALID [2020-07-28 19:02:16,285 INFO L280 TraceCheckUtils]: 11: Hoare triple {1020#false} havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1020#false} is VALID [2020-07-28 19:02:16,285 INFO L280 TraceCheckUtils]: 12: Hoare triple {1020#false} __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret47 && __utac_acc__Specification3_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; {1020#false} is VALID [2020-07-28 19:02:16,285 INFO L280 TraceCheckUtils]: 13: Hoare triple {1020#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {1020#false} is VALID [2020-07-28 19:02:16,286 INFO L280 TraceCheckUtils]: 14: Hoare triple {1020#false} __utac_acc__Specification3_spec__1_#t~ret48 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret48 && __utac_acc__Specification3_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret48;havoc __utac_acc__Specification3_spec__1_#t~ret48; {1020#false} is VALID [2020-07-28 19:02:16,286 INFO L280 TraceCheckUtils]: 15: Hoare triple {1020#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {1020#false} is VALID [2020-07-28 19:02:16,286 INFO L280 TraceCheckUtils]: 16: Hoare triple {1020#false} __utac_acc__Specification3_spec__1_#t~ret49 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret49 && __utac_acc__Specification3_spec__1_#t~ret49 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret49;havoc __utac_acc__Specification3_spec__1_#t~ret49; {1020#false} is VALID [2020-07-28 19:02:16,287 INFO L280 TraceCheckUtils]: 17: Hoare triple {1020#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1020#false} is VALID [2020-07-28 19:02:16,287 INFO L280 TraceCheckUtils]: 18: Hoare triple {1020#false} assume !false; {1020#false} is VALID [2020-07-28 19:02:16,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:16,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277192649] [2020-07-28 19:02:16,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:16,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:02:16,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91604641] [2020-07-28 19:02:16,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:02:16,291 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:16,291 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:16,318 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:16,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:16,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:16,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:16,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:16,319 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 3 states. [2020-07-28 19:02:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:16,628 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2020-07-28 19:02:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:16,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:02:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2020-07-28 19:02:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2020-07-28 19:02:16,635 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 201 transitions. [2020-07-28 19:02:16,857 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:16,859 INFO L225 Difference]: With dead ends: 139 [2020-07-28 19:02:16,859 INFO L226 Difference]: Without dead ends: 57 [2020-07-28 19:02:16,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:16,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-28 19:02:16,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-07-28 19:02:16,900 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:16,900 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 57 states. [2020-07-28 19:02:16,900 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2020-07-28 19:02:16,900 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2020-07-28 19:02:16,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:16,903 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2020-07-28 19:02:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-07-28 19:02:16,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:16,904 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:16,904 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2020-07-28 19:02:16,904 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2020-07-28 19:02:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:16,907 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2020-07-28 19:02:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-07-28 19:02:16,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:16,908 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:16,908 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:16,908 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-07-28 19:02:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2020-07-28 19:02:16,911 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2020-07-28 19:02:16,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:16,911 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2020-07-28 19:02:16,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-07-28 19:02:16,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:02:16,912 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:16,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:16,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:02:16,913 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:16,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:16,913 INFO L82 PathProgramCache]: Analyzing trace with hash 35331171, now seen corresponding path program 1 times [2020-07-28 19:02:16,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:16,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148117059] [2020-07-28 19:02:16,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:17,041 INFO L280 TraceCheckUtils]: 0: Hoare triple {1414#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1416#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:17,042 INFO L280 TraceCheckUtils]: 1: Hoare triple {1416#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {1416#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:02:17,042 INFO L280 TraceCheckUtils]: 2: Hoare triple {1416#(= 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; {1417#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:02:17,043 INFO L280 TraceCheckUtils]: 3: Hoare triple {1417#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {1418#(= ULTIMATE.start_main_~tmp~3 ~systemActive~0)} is VALID [2020-07-28 19:02:17,044 INFO L280 TraceCheckUtils]: 4: Hoare triple {1418#(= ULTIMATE.start_main_~tmp~3 ~systemActive~0)} assume 0 != main_~tmp~3; {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,045 INFO L280 TraceCheckUtils]: 5: Hoare triple {1419#(not (= 0 ~systemActive~0))} havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,045 INFO L280 TraceCheckUtils]: 6: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume !false; {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,046 INFO L280 TraceCheckUtils]: 7: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,047 INFO L280 TraceCheckUtils]: 8: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet50 && test_#t~nondet50 <= 2147483647;test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,048 INFO L280 TraceCheckUtils]: 9: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~5); {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,048 INFO L280 TraceCheckUtils]: 10: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet51 && test_#t~nondet51 <= 2147483647;test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,049 INFO L280 TraceCheckUtils]: 11: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1); {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,050 INFO L280 TraceCheckUtils]: 12: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet52 && test_#t~nondet52 <= 2147483647;test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,050 INFO L280 TraceCheckUtils]: 13: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,051 INFO L280 TraceCheckUtils]: 14: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1419#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:17,052 INFO L280 TraceCheckUtils]: 15: Hoare triple {1419#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1415#false} is VALID [2020-07-28 19:02:17,052 INFO L280 TraceCheckUtils]: 16: Hoare triple {1415#false} havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1415#false} is VALID [2020-07-28 19:02:17,052 INFO L280 TraceCheckUtils]: 17: Hoare triple {1415#false} __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret47 && __utac_acc__Specification3_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; {1415#false} is VALID [2020-07-28 19:02:17,053 INFO L280 TraceCheckUtils]: 18: Hoare triple {1415#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {1415#false} is VALID [2020-07-28 19:02:17,053 INFO L280 TraceCheckUtils]: 19: Hoare triple {1415#false} __utac_acc__Specification3_spec__1_#t~ret48 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret48 && __utac_acc__Specification3_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret48;havoc __utac_acc__Specification3_spec__1_#t~ret48; {1415#false} is VALID [2020-07-28 19:02:17,054 INFO L280 TraceCheckUtils]: 20: Hoare triple {1415#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {1415#false} is VALID [2020-07-28 19:02:17,054 INFO L280 TraceCheckUtils]: 21: Hoare triple {1415#false} __utac_acc__Specification3_spec__1_#t~ret49 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret49 && __utac_acc__Specification3_spec__1_#t~ret49 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret49;havoc __utac_acc__Specification3_spec__1_#t~ret49; {1415#false} is VALID [2020-07-28 19:02:17,054 INFO L280 TraceCheckUtils]: 22: Hoare triple {1415#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1415#false} is VALID [2020-07-28 19:02:17,054 INFO L280 TraceCheckUtils]: 23: Hoare triple {1415#false} assume !false; {1415#false} is VALID [2020-07-28 19:02:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:17,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148117059] [2020-07-28 19:02:17,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:17,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:02:17,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781340459] [2020-07-28 19:02:17,057 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:02:17,058 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:17,058 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:02:17,091 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:17,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:02:17,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:17,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:02:17,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:02:17,093 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 6 states. [2020-07-28 19:02:17,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:17,894 INFO L93 Difference]: Finished difference Result 184 states and 271 transitions. [2020-07-28 19:02:17,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:02:17,894 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:02:17,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:02:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 271 transitions. [2020-07-28 19:02:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:02:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 271 transitions. [2020-07-28 19:02:17,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 271 transitions. [2020-07-28 19:02:18,202 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 271 edges. 271 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:18,205 INFO L225 Difference]: With dead ends: 184 [2020-07-28 19:02:18,205 INFO L226 Difference]: Without dead ends: 133 [2020-07-28 19:02:18,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:18,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-28 19:02:18,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 78. [2020-07-28 19:02:18,284 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:18,284 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand 78 states. [2020-07-28 19:02:18,284 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 78 states. [2020-07-28 19:02:18,284 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 78 states. [2020-07-28 19:02:18,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:18,290 INFO L93 Difference]: Finished difference Result 133 states and 193 transitions. [2020-07-28 19:02:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2020-07-28 19:02:18,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:18,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:18,291 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 133 states. [2020-07-28 19:02:18,291 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 133 states. [2020-07-28 19:02:18,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:18,297 INFO L93 Difference]: Finished difference Result 133 states and 193 transitions. [2020-07-28 19:02:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2020-07-28 19:02:18,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:18,298 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:18,298 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:18,298 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-28 19:02:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 114 transitions. [2020-07-28 19:02:18,301 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 114 transitions. Word has length 24 [2020-07-28 19:02:18,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:18,302 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 114 transitions. [2020-07-28 19:02:18,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:02:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2020-07-28 19:02:18,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:02:18,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:18,303 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 19:02:18,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:02:18,303 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:18,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:18,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1148352902, now seen corresponding path program 1 times [2020-07-28 19:02:18,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:18,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793343991] [2020-07-28 19:02:18,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:18,372 INFO L280 TraceCheckUtils]: 0: Hoare triple {2059#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,373 INFO L280 TraceCheckUtils]: 1: Hoare triple {2061#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,374 INFO L280 TraceCheckUtils]: 2: Hoare triple {2061#(= 0 ~pumpRunning~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; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,375 INFO L280 TraceCheckUtils]: 3: Hoare triple {2061#(= 0 ~pumpRunning~0)} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,376 INFO L280 TraceCheckUtils]: 4: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,376 INFO L280 TraceCheckUtils]: 5: Hoare triple {2061#(= 0 ~pumpRunning~0)} havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,377 INFO L280 TraceCheckUtils]: 6: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume !false; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,378 INFO L280 TraceCheckUtils]: 7: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,378 INFO L280 TraceCheckUtils]: 8: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet50 && test_#t~nondet50 <= 2147483647;test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,379 INFO L280 TraceCheckUtils]: 9: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,380 INFO L280 TraceCheckUtils]: 10: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet51 && test_#t~nondet51 <= 2147483647;test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,381 INFO L280 TraceCheckUtils]: 11: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,381 INFO L280 TraceCheckUtils]: 12: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet52 && test_#t~nondet52 <= 2147483647;test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,382 INFO L280 TraceCheckUtils]: 13: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,383 INFO L280 TraceCheckUtils]: 14: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,384 INFO L280 TraceCheckUtils]: 15: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,384 INFO L280 TraceCheckUtils]: 16: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; {2061#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:18,385 INFO L280 TraceCheckUtils]: 17: Hoare triple {2061#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {2060#false} is VALID [2020-07-28 19:02:18,385 INFO L280 TraceCheckUtils]: 18: Hoare triple {2060#false} havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {2060#false} is VALID [2020-07-28 19:02:18,386 INFO L280 TraceCheckUtils]: 19: Hoare triple {2060#false} __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret47 && __utac_acc__Specification3_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; {2060#false} is VALID [2020-07-28 19:02:18,386 INFO L280 TraceCheckUtils]: 20: Hoare triple {2060#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {2060#false} is VALID [2020-07-28 19:02:18,386 INFO L280 TraceCheckUtils]: 21: Hoare triple {2060#false} __utac_acc__Specification3_spec__1_#t~ret48 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret48 && __utac_acc__Specification3_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret48;havoc __utac_acc__Specification3_spec__1_#t~ret48; {2060#false} is VALID [2020-07-28 19:02:18,387 INFO L280 TraceCheckUtils]: 22: Hoare triple {2060#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {2060#false} is VALID [2020-07-28 19:02:18,387 INFO L280 TraceCheckUtils]: 23: Hoare triple {2060#false} __utac_acc__Specification3_spec__1_#t~ret49 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret49 && __utac_acc__Specification3_spec__1_#t~ret49 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret49;havoc __utac_acc__Specification3_spec__1_#t~ret49; {2060#false} is VALID [2020-07-28 19:02:18,387 INFO L280 TraceCheckUtils]: 24: Hoare triple {2060#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {2060#false} is VALID [2020-07-28 19:02:18,388 INFO L280 TraceCheckUtils]: 25: Hoare triple {2060#false} assume !false; {2060#false} is VALID [2020-07-28 19:02:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:18,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793343991] [2020-07-28 19:02:18,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:18,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:18,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723765877] [2020-07-28 19:02:18,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:02:18,392 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:18,392 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:18,430 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:18,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:18,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:18,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:18,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:18,431 INFO L87 Difference]: Start difference. First operand 78 states and 114 transitions. Second operand 3 states. [2020-07-28 19:02:18,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:18,774 INFO L93 Difference]: Finished difference Result 173 states and 255 transitions. [2020-07-28 19:02:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:18,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:02:18,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2020-07-28 19:02:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2020-07-28 19:02:18,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 193 transitions. [2020-07-28 19:02:19,046 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 193 edges. 193 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:19,048 INFO L225 Difference]: With dead ends: 173 [2020-07-28 19:02:19,048 INFO L226 Difference]: Without dead ends: 101 [2020-07-28 19:02:19,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:19,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-28 19:02:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-07-28 19:02:19,178 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:19,178 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 99 states. [2020-07-28 19:02:19,179 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 99 states. [2020-07-28 19:02:19,179 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 99 states. [2020-07-28 19:02:19,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:19,182 INFO L93 Difference]: Finished difference Result 101 states and 142 transitions. [2020-07-28 19:02:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2020-07-28 19:02:19,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:19,183 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:19,183 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 101 states. [2020-07-28 19:02:19,183 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 101 states. [2020-07-28 19:02:19,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:19,187 INFO L93 Difference]: Finished difference Result 101 states and 142 transitions. [2020-07-28 19:02:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2020-07-28 19:02:19,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:19,188 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:19,188 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:19,188 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-28 19:02:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2020-07-28 19:02:19,192 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 26 [2020-07-28 19:02:19,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:19,192 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2020-07-28 19:02:19,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:19,192 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2020-07-28 19:02:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:02:19,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:19,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:19,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:02:19,194 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:19,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:19,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1938820856, now seen corresponding path program 1 times [2020-07-28 19:02:19,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:19,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416112531] [2020-07-28 19:02:19,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:19,278 INFO L280 TraceCheckUtils]: 0: Hoare triple {2649#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,279 INFO L280 TraceCheckUtils]: 1: Hoare triple {2651#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,279 INFO L280 TraceCheckUtils]: 2: Hoare triple {2651#(= 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; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,282 INFO L280 TraceCheckUtils]: 3: Hoare triple {2651#(= 1 ~waterLevel~0)} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,284 INFO L280 TraceCheckUtils]: 4: Hoare triple {2651#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,285 INFO L280 TraceCheckUtils]: 5: Hoare triple {2651#(= 1 ~waterLevel~0)} havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,287 INFO L280 TraceCheckUtils]: 6: Hoare triple {2651#(= 1 ~waterLevel~0)} assume !false; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,290 INFO L280 TraceCheckUtils]: 7: Hoare triple {2651#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,291 INFO L280 TraceCheckUtils]: 8: Hoare triple {2651#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet50 && test_#t~nondet50 <= 2147483647;test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,292 INFO L280 TraceCheckUtils]: 9: Hoare triple {2651#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~5); {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,292 INFO L280 TraceCheckUtils]: 10: Hoare triple {2651#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet51 && test_#t~nondet51 <= 2147483647;test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,293 INFO L280 TraceCheckUtils]: 11: Hoare triple {2651#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,293 INFO L280 TraceCheckUtils]: 12: Hoare triple {2651#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet52 && test_#t~nondet52 <= 2147483647;test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,294 INFO L280 TraceCheckUtils]: 13: Hoare triple {2651#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet53 && test_#t~nondet53 <= 2147483647;test_~tmp___1~1 := test_#t~nondet53;havoc test_#t~nondet53; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,294 INFO L280 TraceCheckUtils]: 14: Hoare triple {2651#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~1; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,295 INFO L280 TraceCheckUtils]: 15: Hoare triple {2651#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,296 INFO L280 TraceCheckUtils]: 16: Hoare triple {2651#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,297 INFO L280 TraceCheckUtils]: 17: Hoare triple {2651#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,297 INFO L280 TraceCheckUtils]: 18: Hoare triple {2651#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,298 INFO L280 TraceCheckUtils]: 19: Hoare triple {2651#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,300 INFO L280 TraceCheckUtils]: 20: Hoare triple {2651#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret47 && __utac_acc__Specification3_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; {2651#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:19,302 INFO L280 TraceCheckUtils]: 21: Hoare triple {2651#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {2652#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:02:19,303 INFO L280 TraceCheckUtils]: 22: Hoare triple {2652#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret48 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret48 && __utac_acc__Specification3_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret48;havoc __utac_acc__Specification3_spec__1_#t~ret48; {2653#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} is VALID [2020-07-28 19:02:19,305 INFO L280 TraceCheckUtils]: 23: Hoare triple {2653#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {2650#false} is VALID [2020-07-28 19:02:19,305 INFO L280 TraceCheckUtils]: 24: Hoare triple {2650#false} __utac_acc__Specification3_spec__1_#t~ret49 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret49 && __utac_acc__Specification3_spec__1_#t~ret49 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret49;havoc __utac_acc__Specification3_spec__1_#t~ret49; {2650#false} is VALID [2020-07-28 19:02:19,305 INFO L280 TraceCheckUtils]: 25: Hoare triple {2650#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {2650#false} is VALID [2020-07-28 19:02:19,305 INFO L280 TraceCheckUtils]: 26: Hoare triple {2650#false} assume !false; {2650#false} is VALID [2020-07-28 19:02:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:19,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416112531] [2020-07-28 19:02:19,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:19,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:02:19,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396278224] [2020-07-28 19:02:19,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:19,308 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:19,308 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:19,351 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:19,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:19,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:19,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:19,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:19,352 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand 5 states. [2020-07-28 19:02:20,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:20,733 INFO L93 Difference]: Finished difference Result 515 states and 751 transitions. [2020-07-28 19:02:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:02:20,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:20,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 417 transitions. [2020-07-28 19:02:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 417 transitions. [2020-07-28 19:02:20,745 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 417 transitions. [2020-07-28 19:02:21,198 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 417 edges. 417 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:21,218 INFO L225 Difference]: With dead ends: 515 [2020-07-28 19:02:21,218 INFO L226 Difference]: Without dead ends: 422 [2020-07-28 19:02:21,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:21,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-28 19:02:21,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 167. [2020-07-28 19:02:21,518 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:21,519 INFO L82 GeneralOperation]: Start isEquivalent. First operand 422 states. Second operand 167 states. [2020-07-28 19:02:21,519 INFO L74 IsIncluded]: Start isIncluded. First operand 422 states. Second operand 167 states. [2020-07-28 19:02:21,519 INFO L87 Difference]: Start difference. First operand 422 states. Second operand 167 states. [2020-07-28 19:02:21,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:21,540 INFO L93 Difference]: Finished difference Result 422 states and 598 transitions. [2020-07-28 19:02:21,540 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 598 transitions. [2020-07-28 19:02:21,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:21,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:21,541 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand 422 states. [2020-07-28 19:02:21,541 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 422 states. [2020-07-28 19:02:21,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:21,561 INFO L93 Difference]: Finished difference Result 422 states and 598 transitions. [2020-07-28 19:02:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 598 transitions. [2020-07-28 19:02:21,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:21,562 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:21,562 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:21,562 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-07-28 19:02:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 233 transitions. [2020-07-28 19:02:21,568 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 233 transitions. Word has length 27 [2020-07-28 19:02:21,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:21,568 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 233 transitions. [2020-07-28 19:02:21,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 233 transitions. [2020-07-28 19:02:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:02:21,569 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:21,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:21,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:02:21,570 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:21,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:21,570 INFO L82 PathProgramCache]: Analyzing trace with hash 238557114, now seen corresponding path program 1 times [2020-07-28 19:02:21,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:21,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302347296] [2020-07-28 19:02:21,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:21,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:21,667 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:21,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:02:21,712 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:02:21,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:02:21,847 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:02:21,847 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:02:21,847 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-28 19:02:21,847 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-28 19:02:21,847 WARN L170 areAnnotationChecker]: L605 has no Hoare annotation [2020-07-28 19:02:21,847 WARN L170 areAnnotationChecker]: L605 has no Hoare annotation [2020-07-28 19:02:21,848 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-28 19:02:21,848 WARN L170 areAnnotationChecker]: L605-1 has no Hoare annotation [2020-07-28 19:02:21,848 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:02:21,848 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:02:21,848 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:02:21,848 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-28 19:02:21,848 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-28 19:02:21,849 WARN L170 areAnnotationChecker]: L711 has no Hoare annotation [2020-07-28 19:02:21,849 WARN L170 areAnnotationChecker]: L711 has no Hoare annotation [2020-07-28 19:02:21,849 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:21,849 WARN L170 areAnnotationChecker]: L776-1 has no Hoare annotation [2020-07-28 19:02:21,849 WARN L170 areAnnotationChecker]: L776-1 has no Hoare annotation [2020-07-28 19:02:21,849 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2020-07-28 19:02:21,849 WARN L170 areAnnotationChecker]: L420-3 has no Hoare annotation [2020-07-28 19:02:21,849 WARN L170 areAnnotationChecker]: L420-3 has no Hoare annotation [2020-07-28 19:02:21,850 WARN L170 areAnnotationChecker]: L776-2 has no Hoare annotation [2020-07-28 19:02:21,850 WARN L170 areAnnotationChecker]: L776-2 has no Hoare annotation [2020-07-28 19:02:21,850 WARN L170 areAnnotationChecker]: L720 has no Hoare annotation [2020-07-28 19:02:21,850 WARN L170 areAnnotationChecker]: L720 has no Hoare annotation [2020-07-28 19:02:21,850 WARN L170 areAnnotationChecker]: L834-1 has no Hoare annotation [2020-07-28 19:02:21,850 WARN L170 areAnnotationChecker]: L834-1 has no Hoare annotation [2020-07-28 19:02:21,850 WARN L170 areAnnotationChecker]: L783-1 has no Hoare annotation [2020-07-28 19:02:21,850 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 19:02:21,851 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 19:02:21,851 WARN L170 areAnnotationChecker]: L720-1 has no Hoare annotation [2020-07-28 19:02:21,851 WARN L170 areAnnotationChecker]: L512-1 has no Hoare annotation [2020-07-28 19:02:21,851 WARN L170 areAnnotationChecker]: L808-3 has no Hoare annotation [2020-07-28 19:02:21,851 WARN L170 areAnnotationChecker]: L808-3 has no Hoare annotation [2020-07-28 19:02:21,851 WARN L170 areAnnotationChecker]: L457-5 has no Hoare annotation [2020-07-28 19:02:21,851 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-28 19:02:21,851 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-28 19:02:21,852 WARN L170 areAnnotationChecker]: L973-3 has no Hoare annotation [2020-07-28 19:02:21,852 WARN L170 areAnnotationChecker]: L973-3 has no Hoare annotation [2020-07-28 19:02:21,852 WARN L170 areAnnotationChecker]: L497-3 has no Hoare annotation [2020-07-28 19:02:21,852 WARN L170 areAnnotationChecker]: L497-3 has no Hoare annotation [2020-07-28 19:02:21,852 WARN L170 areAnnotationChecker]: L665-2 has no Hoare annotation [2020-07-28 19:02:21,852 WARN L170 areAnnotationChecker]: L665-2 has no Hoare annotation [2020-07-28 19:02:21,852 WARN L170 areAnnotationChecker]: L444 has no Hoare annotation [2020-07-28 19:02:21,852 WARN L170 areAnnotationChecker]: L444 has no Hoare annotation [2020-07-28 19:02:21,853 WARN L170 areAnnotationChecker]: L730-1 has no Hoare annotation [2020-07-28 19:02:21,853 WARN L170 areAnnotationChecker]: L973-5 has no Hoare annotation [2020-07-28 19:02:21,853 WARN L170 areAnnotationChecker]: L502-3 has no Hoare annotation [2020-07-28 19:02:21,853 WARN L170 areAnnotationChecker]: L671-3 has no Hoare annotation [2020-07-28 19:02:21,853 WARN L170 areAnnotationChecker]: L489-1 has no Hoare annotation [2020-07-28 19:02:21,853 WARN L170 areAnnotationChecker]: L740 has no Hoare annotation [2020-07-28 19:02:21,853 WARN L170 areAnnotationChecker]: L740 has no Hoare annotation [2020-07-28 19:02:21,854 WARN L170 areAnnotationChecker]: L979-1 has no Hoare annotation [2020-07-28 19:02:21,854 WARN L170 areAnnotationChecker]: L954-9 has no Hoare annotation [2020-07-28 19:02:21,854 WARN L170 areAnnotationChecker]: L954-9 has no Hoare annotation [2020-07-28 19:02:21,854 WARN L170 areAnnotationChecker]: L529-2 has no Hoare annotation [2020-07-28 19:02:21,854 WARN L170 areAnnotationChecker]: L529-2 has no Hoare annotation [2020-07-28 19:02:21,854 WARN L170 areAnnotationChecker]: L529-2 has no Hoare annotation [2020-07-28 19:02:21,854 WARN L170 areAnnotationChecker]: L671-2 has no Hoare annotation [2020-07-28 19:02:21,854 WARN L170 areAnnotationChecker]: L671-2 has no Hoare annotation [2020-07-28 19:02:21,855 WARN L170 areAnnotationChecker]: L746-1 has no Hoare annotation [2020-07-28 19:02:21,855 WARN L170 areAnnotationChecker]: L746-1 has no Hoare annotation [2020-07-28 19:02:21,855 WARN L170 areAnnotationChecker]: L746 has no Hoare annotation [2020-07-28 19:02:21,855 WARN L170 areAnnotationChecker]: L746 has no Hoare annotation [2020-07-28 19:02:21,855 WARN L170 areAnnotationChecker]: L838-1 has no Hoare annotation [2020-07-28 19:02:21,856 WARN L170 areAnnotationChecker]: L838-1 has no Hoare annotation [2020-07-28 19:02:21,856 WARN L170 areAnnotationChecker]: L954-11 has no Hoare annotation [2020-07-28 19:02:21,856 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-28 19:02:21,856 WARN L170 areAnnotationChecker]: L905-1 has no Hoare annotation [2020-07-28 19:02:21,856 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 19:02:21,857 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 19:02:21,857 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-28 19:02:21,857 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-28 19:02:21,857 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2020-07-28 19:02:21,857 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2020-07-28 19:02:21,858 WARN L170 areAnnotationChecker]: L808-2 has no Hoare annotation [2020-07-28 19:02:21,858 WARN L170 areAnnotationChecker]: L808-2 has no Hoare annotation [2020-07-28 19:02:21,858 WARN L170 areAnnotationChecker]: L960-3 has no Hoare annotation [2020-07-28 19:02:21,858 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 19:02:21,858 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 19:02:21,859 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:02:21,859 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:02:21,859 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-28 19:02:21,859 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-28 19:02:21,859 WARN L170 areAnnotationChecker]: L783 has no Hoare annotation [2020-07-28 19:02:21,860 WARN L170 areAnnotationChecker]: L987-1 has no Hoare annotation [2020-07-28 19:02:21,860 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-28 19:02:21,860 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-28 19:02:21,860 WARN L170 areAnnotationChecker]: L812-3 has no Hoare annotation [2020-07-28 19:02:21,860 WARN L170 areAnnotationChecker]: L812-3 has no Hoare annotation [2020-07-28 19:02:21,861 WARN L170 areAnnotationChecker]: L533-1 has no Hoare annotation [2020-07-28 19:02:21,861 WARN L170 areAnnotationChecker]: L533-1 has no Hoare annotation [2020-07-28 19:02:21,861 WARN L170 areAnnotationChecker]: L694-1 has no Hoare annotation [2020-07-28 19:02:21,861 WARN L170 areAnnotationChecker]: L694-1 has no Hoare annotation [2020-07-28 19:02:21,861 WARN L170 areAnnotationChecker]: L512 has no Hoare annotation [2020-07-28 19:02:21,862 WARN L170 areAnnotationChecker]: L808-1 has no Hoare annotation [2020-07-28 19:02:21,862 WARN L170 areAnnotationChecker]: L808-1 has no Hoare annotation [2020-07-28 19:02:21,862 WARN L170 areAnnotationChecker]: L457-2 has no Hoare annotation [2020-07-28 19:02:21,862 WARN L170 areAnnotationChecker]: L502-2 has no Hoare annotation [2020-07-28 19:02:21,862 WARN L170 areAnnotationChecker]: L457-4 has no Hoare annotation [2020-07-28 19:02:21,863 WARN L170 areAnnotationChecker]: L420-6 has no Hoare annotation [2020-07-28 19:02:21,863 WARN L170 areAnnotationChecker]: L420-6 has no Hoare annotation [2020-07-28 19:02:21,863 WARN L170 areAnnotationChecker]: L776-3 has no Hoare annotation [2020-07-28 19:02:21,863 WARN L170 areAnnotationChecker]: L776-3 has no Hoare annotation [2020-07-28 19:02:21,863 WARN L170 areAnnotationChecker]: L973 has no Hoare annotation [2020-07-28 19:02:21,863 WARN L170 areAnnotationChecker]: L973 has no Hoare annotation [2020-07-28 19:02:21,864 WARN L170 areAnnotationChecker]: L497-1 has no Hoare annotation [2020-07-28 19:02:21,864 WARN L170 areAnnotationChecker]: L497-1 has no Hoare annotation [2020-07-28 19:02:21,864 WARN L170 areAnnotationChecker]: L665 has no Hoare annotation [2020-07-28 19:02:21,864 WARN L170 areAnnotationChecker]: L665 has no Hoare annotation [2020-07-28 19:02:21,864 WARN L170 areAnnotationChecker]: L954-6 has no Hoare annotation [2020-07-28 19:02:21,865 WARN L170 areAnnotationChecker]: L954-6 has no Hoare annotation [2020-07-28 19:02:21,865 WARN L170 areAnnotationChecker]: L896-3 has no Hoare annotation [2020-07-28 19:02:21,865 WARN L170 areAnnotationChecker]: L834-2 has no Hoare annotation [2020-07-28 19:02:21,865 WARN L170 areAnnotationChecker]: L834-2 has no Hoare annotation [2020-07-28 19:02:21,865 WARN L170 areAnnotationChecker]: L783-2 has no Hoare annotation [2020-07-28 19:02:21,866 WARN L170 areAnnotationChecker]: L973-2 has no Hoare annotation [2020-07-28 19:02:21,866 WARN L170 areAnnotationChecker]: L502-1 has no Hoare annotation [2020-07-28 19:02:21,866 WARN L170 areAnnotationChecker]: L489 has no Hoare annotation [2020-07-28 19:02:21,866 WARN L170 areAnnotationChecker]: L954-8 has no Hoare annotation [2020-07-28 19:02:21,866 WARN L170 areAnnotationChecker]: L871-6 has no Hoare annotation [2020-07-28 19:02:21,867 WARN L170 areAnnotationChecker]: L871-6 has no Hoare annotation [2020-07-28 19:02:21,867 WARN L170 areAnnotationChecker]: L512-2 has no Hoare annotation [2020-07-28 19:02:21,867 WARN L170 areAnnotationChecker]: L808-5 has no Hoare annotation [2020-07-28 19:02:21,867 WARN L170 areAnnotationChecker]: L808-5 has no Hoare annotation [2020-07-28 19:02:21,867 WARN L170 areAnnotationChecker]: L457-8 has no Hoare annotation [2020-07-28 19:02:21,867 WARN L170 areAnnotationChecker]: L979 has no Hoare annotation [2020-07-28 19:02:21,868 WARN L170 areAnnotationChecker]: L954-3 has no Hoare annotation [2020-07-28 19:02:21,868 WARN L170 areAnnotationChecker]: L954-3 has no Hoare annotation [2020-07-28 19:02:21,868 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 19:02:21,868 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 19:02:21,868 WARN L170 areAnnotationChecker]: L960-2 has no Hoare annotation [2020-07-28 19:02:21,869 WARN L170 areAnnotationChecker]: L973-6 has no Hoare annotation [2020-07-28 19:02:21,869 WARN L170 areAnnotationChecker]: L973-6 has no Hoare annotation [2020-07-28 19:02:21,869 WARN L170 areAnnotationChecker]: L497-5 has no Hoare annotation [2020-07-28 19:02:21,869 WARN L170 areAnnotationChecker]: L497-5 has no Hoare annotation [2020-07-28 19:02:21,869 WARN L170 areAnnotationChecker]: L665-4 has no Hoare annotation [2020-07-28 19:02:21,870 WARN L170 areAnnotationChecker]: L665-4 has no Hoare annotation [2020-07-28 19:02:21,870 WARN L170 areAnnotationChecker]: L838 has no Hoare annotation [2020-07-28 19:02:21,870 WARN L170 areAnnotationChecker]: L838 has no Hoare annotation [2020-07-28 19:02:21,870 WARN L170 areAnnotationChecker]: L954-5 has no Hoare annotation [2020-07-28 19:02:21,870 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-28 19:02:21,871 WARN L170 areAnnotationChecker]: L812-2 has no Hoare annotation [2020-07-28 19:02:21,871 WARN L170 areAnnotationChecker]: L812-2 has no Hoare annotation [2020-07-28 19:02:21,871 WARN L170 areAnnotationChecker]: L973-8 has no Hoare annotation [2020-07-28 19:02:21,871 WARN L170 areAnnotationChecker]: L502-5 has no Hoare annotation [2020-07-28 19:02:21,871 WARN L170 areAnnotationChecker]: L671-5 has no Hoare annotation [2020-07-28 19:02:21,871 WARN L170 areAnnotationChecker]: L489-2 has no Hoare annotation [2020-07-28 19:02:21,872 WARN L170 areAnnotationChecker]: L808 has no Hoare annotation [2020-07-28 19:02:21,872 WARN L170 areAnnotationChecker]: L808 has no Hoare annotation [2020-07-28 19:02:21,872 WARN L170 areAnnotationChecker]: L960-1 has no Hoare annotation [2020-07-28 19:02:21,872 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:02:21,872 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:02:21,873 WARN L170 areAnnotationChecker]: L457-3 has no Hoare annotation [2020-07-28 19:02:21,873 WARN L170 areAnnotationChecker]: L979-2 has no Hoare annotation [2020-07-28 19:02:21,873 WARN L170 areAnnotationChecker]: L954-15 has no Hoare annotation [2020-07-28 19:02:21,873 WARN L170 areAnnotationChecker]: L954-15 has no Hoare annotation [2020-07-28 19:02:21,873 WARN L170 areAnnotationChecker]: L671-4 has no Hoare annotation [2020-07-28 19:02:21,874 WARN L170 areAnnotationChecker]: L671-4 has no Hoare annotation [2020-07-28 19:02:21,874 WARN L170 areAnnotationChecker]: L497 has no Hoare annotation [2020-07-28 19:02:21,874 WARN L170 areAnnotationChecker]: L497 has no Hoare annotation [2020-07-28 19:02:21,874 WARN L170 areAnnotationChecker]: L812-1 has no Hoare annotation [2020-07-28 19:02:21,874 WARN L170 areAnnotationChecker]: L812-1 has no Hoare annotation [2020-07-28 19:02:21,875 WARN L170 areAnnotationChecker]: L694 has no Hoare annotation [2020-07-28 19:02:21,875 WARN L170 areAnnotationChecker]: L694 has no Hoare annotation [2020-07-28 19:02:21,875 WARN L170 areAnnotationChecker]: L896-2 has no Hoare annotation [2020-07-28 19:02:21,875 WARN L170 areAnnotationChecker]: L838-2 has no Hoare annotation [2020-07-28 19:02:21,875 WARN L170 areAnnotationChecker]: L838-2 has no Hoare annotation [2020-07-28 19:02:21,876 WARN L170 areAnnotationChecker]: L954-17 has no Hoare annotation [2020-07-28 19:02:21,876 WARN L170 areAnnotationChecker]: L905-2 has no Hoare annotation [2020-07-28 19:02:21,876 WARN L170 areAnnotationChecker]: L502 has no Hoare annotation [2020-07-28 19:02:21,876 WARN L170 areAnnotationChecker]: L457-1 has no Hoare annotation [2020-07-28 19:02:21,876 WARN L170 areAnnotationChecker]: L871-4 has no Hoare annotation [2020-07-28 19:02:21,877 WARN L170 areAnnotationChecker]: L871-4 has no Hoare annotation [2020-07-28 19:02:21,877 WARN L170 areAnnotationChecker]: L808-4 has no Hoare annotation [2020-07-28 19:02:21,877 WARN L170 areAnnotationChecker]: L808-4 has no Hoare annotation [2020-07-28 19:02:21,877 WARN L170 areAnnotationChecker]: L960-5 has no Hoare annotation [2020-07-28 19:02:21,877 WARN L170 areAnnotationChecker]: L675-4 has no Hoare annotation [2020-07-28 19:02:21,878 WARN L170 areAnnotationChecker]: L675-4 has no Hoare annotation [2020-07-28 19:02:21,878 WARN L170 areAnnotationChecker]: L954 has no Hoare annotation [2020-07-28 19:02:21,878 WARN L170 areAnnotationChecker]: L954 has no Hoare annotation [2020-07-28 19:02:21,878 WARN L170 areAnnotationChecker]: L896-1 has no Hoare annotation [2020-07-28 19:02:21,878 WARN L170 areAnnotationChecker]: L497-4 has no Hoare annotation [2020-07-28 19:02:21,879 WARN L170 areAnnotationChecker]: L497-4 has no Hoare annotation [2020-07-28 19:02:21,879 WARN L170 areAnnotationChecker]: L812-5 has no Hoare annotation [2020-07-28 19:02:21,879 WARN L170 areAnnotationChecker]: L812-5 has no Hoare annotation [2020-07-28 19:02:21,879 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-28 19:02:21,880 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-28 19:02:21,880 WARN L170 areAnnotationChecker]: L954-2 has no Hoare annotation [2020-07-28 19:02:21,880 WARN L170 areAnnotationChecker]: L871-2 has no Hoare annotation [2020-07-28 19:02:21,880 WARN L170 areAnnotationChecker]: L871-2 has no Hoare annotation [2020-07-28 19:02:21,880 WARN L170 areAnnotationChecker]: L502-4 has no Hoare annotation [2020-07-28 19:02:21,880 WARN L170 areAnnotationChecker]: L457-7 has no Hoare annotation [2020-07-28 19:02:21,881 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-28 19:02:21,881 WARN L170 areAnnotationChecker]: L954-12 has no Hoare annotation [2020-07-28 19:02:21,881 WARN L170 areAnnotationChecker]: L954-12 has no Hoare annotation [2020-07-28 19:02:21,881 WARN L170 areAnnotationChecker]: L896-5 has no Hoare annotation [2020-07-28 19:02:21,881 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:02:21,882 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:02:21,882 WARN L170 areAnnotationChecker]: L954-14 has no Hoare annotation [2020-07-28 19:02:21,882 WARN L170 areAnnotationChecker]: L871-10 has no Hoare annotation [2020-07-28 19:02:21,882 WARN L170 areAnnotationChecker]: L871-10 has no Hoare annotation [2020-07-28 19:02:21,882 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-28 19:02:21,883 WARN L170 areAnnotationChecker]: L960-4 has no Hoare annotation [2020-07-28 19:02:21,883 WARN L170 areAnnotationChecker]: L896 has no Hoare annotation [2020-07-28 19:02:21,883 WARN L170 areAnnotationChecker]: L812-4 has no Hoare annotation [2020-07-28 19:02:21,883 WARN L170 areAnnotationChecker]: L812-4 has no Hoare annotation [2020-07-28 19:02:21,883 WARN L170 areAnnotationChecker]: L871 has no Hoare annotation [2020-07-28 19:02:21,883 WARN L170 areAnnotationChecker]: L871 has no Hoare annotation [2020-07-28 19:02:21,884 WARN L170 areAnnotationChecker]: L457-6 has no Hoare annotation [2020-07-28 19:02:21,884 WARN L170 areAnnotationChecker]: L896-4 has no Hoare annotation [2020-07-28 19:02:21,884 WARN L170 areAnnotationChecker]: L871-8 has no Hoare annotation [2020-07-28 19:02:21,884 WARN L170 areAnnotationChecker]: L871-8 has no Hoare annotation [2020-07-28 19:02:21,884 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:02:21,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:02:21 BoogieIcfgContainer [2020-07-28 19:02:21,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:02:21,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:02:21,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:02:21,889 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:02:21,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:14" (3/4) ... [2020-07-28 19:02:21,893 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:02:22,072 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:02:22,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:02:22,076 INFO L168 Benchmark]: Toolchain (without parser) took 10486.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 956.2 MB in the beginning and 1.3 GB in the end (delta: -353.8 MB). Peak memory consumption was 447.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:22,077 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:22,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:22,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:22,079 INFO L168 Benchmark]: Boogie Preprocessor took 64.09 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:22,079 INFO L168 Benchmark]: RCFGBuilder took 1822.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.8 MB in the end (delta: 200.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:22,080 INFO L168 Benchmark]: TraceAbstraction took 7519.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 900.8 MB in the beginning and 841.6 MB in the end (delta: 59.3 MB). Peak memory consumption was 238.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:22,080 INFO L168 Benchmark]: Witness Printer took 184.28 ms. Allocated memory is still 1.3 GB. Free memory was 841.6 MB in the beginning and 1.3 GB in the end (delta: -468.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:22,082 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 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 778.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.09 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1822.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.8 MB in the end (delta: 200.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7519.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 900.8 MB in the beginning and 841.6 MB in the end (delta: 59.3 MB). Peak memory consumption was 238.6 MB. Max. memory is 11.5 GB. * Witness Printer took 184.28 ms. Allocated memory is still 1.3 GB. Free memory was 841.6 MB in the beginning and 1.3 GB in the end (delta: -468.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 694]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L414] int waterLevel = 1; [L415] int methaneLevelCritical = 0; [L517] int cleanupTimeShifts = 4; [L769] int pumpRunning = 0; [L770] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L596] int retValue_acc ; [L597] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L645] int retValue_acc ; [L648] retValue_acc = 1 [L649] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L603] tmp = valid_product() [L605] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L710] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L712] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L718] tmp = __VERIFIER_nondet_int() [L720] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] COND TRUE waterLevel < 2 [L433] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L728] tmp___0 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___2)) [L744] tmp___1 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L987] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L994] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L776] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L783] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L453] int retValue_acc ; [L456] retValue_acc = methaneLevelCritical [L457] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L485] int retValue_acc ; [L488] retValue_acc = waterLevel [L489] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 [L901] int retValue_acc ; [L904] retValue_acc = pumpRunning [L905] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L694] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 143 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 581 SDtfs, 743 SDslu, 733 SDs, 0 SdLazy, 81 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 312 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...