./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product17.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_spec4_product17.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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:03:03,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:03,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:03,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:03,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:03,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:03,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:03,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:03,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:03,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:03,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:03,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:03,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:03,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:03,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:03,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:03,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:03,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:03,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:03,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:03,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:03,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:03,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:03,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:03,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:03,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:03,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:03,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:03,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:03,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:03,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:03,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:03,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:03,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:03,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:03,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:03,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:03,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:03,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:03,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:03,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:03,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:03,414 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:03,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:03,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:03,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:03,416 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:03,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:03,417 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:03,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:03,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:03,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:03,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:03,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:03,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:03,420 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:03,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:03,420 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:03,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:03,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:03,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:03,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:03,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:03,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:03,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:03,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:03,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:03,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:03,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:03,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:03,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:03,423 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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2020-07-28 19:03:03,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:03,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:03,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:03,725 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:03,726 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:03,727 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2020-07-28 19:03:03,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc5c1fdd/817fcac0e989491cbc1b5cef72104a6c/FLAG401218ce0 [2020-07-28 19:03:04,301 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:04,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2020-07-28 19:03:04,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc5c1fdd/817fcac0e989491cbc1b5cef72104a6c/FLAG401218ce0 [2020-07-28 19:03:04,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc5c1fdd/817fcac0e989491cbc1b5cef72104a6c [2020-07-28 19:03:04,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:04,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:04,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:04,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:04,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:04,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163c3037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04, skipping insertion in model container [2020-07-28 19:03:04,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:04,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:05,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:05,260 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:05,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:05,418 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:05,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05 WrapperNode [2020-07-28 19:03:05,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:05,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:05,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:05,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:05,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:05,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:05,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:05,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:05,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:05,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:05,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:05,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:05,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (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 19:03:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:06,901 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:06,901 INFO L295 CfgBuilder]: Removed 96 assume(true) statements. [2020-07-28 19:03:06,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:06 BoogieIcfgContainer [2020-07-28 19:03:06,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:06,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:06,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:06,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:06,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:04" (1/3) ... [2020-07-28 19:03:06,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373c6097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:06, skipping insertion in model container [2020-07-28 19:03:06,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05" (2/3) ... [2020-07-28 19:03:06,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373c6097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:06, skipping insertion in model container [2020-07-28 19:03:06,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:06" (3/3) ... [2020-07-28 19:03:06,914 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-07-28 19:03:06,924 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:06,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:06,945 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:06,969 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:06,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:06,970 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:06,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:06,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:06,971 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:06,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:06,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:06,989 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 19:03:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:06,996 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:06,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:06,998 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:07,004 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2020-07-28 19:03:07,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:07,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847333015] [2020-07-28 19:03:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:07,331 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {78#true} is VALID [2020-07-28 19:03:07,332 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {78#true} is VALID [2020-07-28 19:03:07,332 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {78#true} is VALID [2020-07-28 19:03:07,333 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret2 := valid_product_#res;assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; {78#true} is VALID [2020-07-28 19:03:07,333 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~1; {78#true} is VALID [2020-07-28 19:03:07,334 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 19:03:07,336 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 19:03:07,336 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 19:03:07,336 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 19:03:07,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 19:03:07,337 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {79#false} is VALID [2020-07-28 19:03:07,338 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {79#false} is VALID [2020-07-28 19:03:07,338 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {79#false} is VALID [2020-07-28 19:03:07,339 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {79#false} is VALID [2020-07-28 19:03:07,339 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {79#false} is VALID [2020-07-28 19:03:07,339 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 19:03:07,343 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 19:03:07,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847333015] [2020-07-28 19:03:07,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:07,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:07,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489532967] [2020-07-28 19:03:07,352 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:07,354 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:07,358 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:07,399 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:07,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:07,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:07,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:07,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:07,412 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 19:03:07,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,671 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 19:03:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:07,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:07,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:03:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:03:07,693 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 215 transitions. [2020-07-28 19:03:07,969 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:07,988 INFO L225 Difference]: With dead ends: 144 [2020-07-28 19:03:07,989 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 19:03:07,997 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 19:03:08,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 19:03:08,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 19:03:08,058 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:08,058 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:08,059 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:08,059 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:08,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,067 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:08,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:08,069 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:08,070 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:08,070 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:08,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,087 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:08,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:08,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:08,091 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:08,091 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 19:03:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-07-28 19:03:08,103 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-07-28 19:03:08,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:08,103 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-07-28 19:03:08,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:08,104 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:08,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:08,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:08,106 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:08,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:08,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2020-07-28 19:03:08,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:08,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928611467] [2020-07-28 19:03:08,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:08,254 INFO L280 TraceCheckUtils]: 0: Hoare triple {524#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {524#true} is VALID [2020-07-28 19:03:08,254 INFO L280 TraceCheckUtils]: 1: Hoare triple {524#true} havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {524#true} is VALID [2020-07-28 19:03:08,255 INFO L280 TraceCheckUtils]: 2: Hoare triple {524#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {524#true} is VALID [2020-07-28 19:03:08,255 INFO L280 TraceCheckUtils]: 3: Hoare triple {524#true} main_#t~ret2 := valid_product_#res;assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; {524#true} is VALID [2020-07-28 19:03:08,255 INFO L280 TraceCheckUtils]: 4: Hoare triple {524#true} assume 0 != main_~tmp~1; {524#true} is VALID [2020-07-28 19:03:08,256 INFO L280 TraceCheckUtils]: 5: Hoare triple {524#true} havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {526#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:08,257 INFO L280 TraceCheckUtils]: 6: Hoare triple {526#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {526#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:08,258 INFO L280 TraceCheckUtils]: 7: Hoare triple {526#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {525#false} is VALID [2020-07-28 19:03:08,258 INFO L280 TraceCheckUtils]: 8: Hoare triple {525#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {525#false} is VALID [2020-07-28 19:03:08,258 INFO L280 TraceCheckUtils]: 9: Hoare triple {525#false} assume !(0 != ~pumpRunning~0); {525#false} is VALID [2020-07-28 19:03:08,259 INFO L280 TraceCheckUtils]: 10: Hoare triple {525#false} assume !(0 != ~systemActive~0); {525#false} is VALID [2020-07-28 19:03:08,259 INFO L280 TraceCheckUtils]: 11: Hoare triple {525#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {525#false} is VALID [2020-07-28 19:03:08,259 INFO L280 TraceCheckUtils]: 12: Hoare triple {525#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {525#false} is VALID [2020-07-28 19:03:08,260 INFO L280 TraceCheckUtils]: 13: Hoare triple {525#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {525#false} is VALID [2020-07-28 19:03:08,260 INFO L280 TraceCheckUtils]: 14: Hoare triple {525#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {525#false} is VALID [2020-07-28 19:03:08,260 INFO L280 TraceCheckUtils]: 15: Hoare triple {525#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {525#false} is VALID [2020-07-28 19:03:08,260 INFO L280 TraceCheckUtils]: 16: Hoare triple {525#false} assume !false; {525#false} is VALID [2020-07-28 19:03:08,262 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 19:03:08,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928611467] [2020-07-28 19:03:08,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:08,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:08,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357544650] [2020-07-28 19:03:08,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:08,265 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:08,265 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:08,292 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:08,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:08,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:08,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:08,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:08,293 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-07-28 19:03:08,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,501 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:08,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:08,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:08,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:03:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:03:08,506 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 19:03:08,632 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:08,634 INFO L225 Difference]: With dead ends: 71 [2020-07-28 19:03:08,634 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:03:08,635 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 19:03:08,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:03:08,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:03:08,653 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:08,654 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:08,654 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:08,654 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:08,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,656 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:03:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:08,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:08,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:08,657 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:08,658 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,660 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:03:08,660 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:08,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:08,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:08,661 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:08,661 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:03:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 19:03:08,663 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 19:03:08,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:08,663 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 19:03:08,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:08,665 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:08,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:08,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:08,665 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:08,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:08,666 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-07-28 19:03:08,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:08,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315060291] [2020-07-28 19:03:08,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:08,855 INFO L280 TraceCheckUtils]: 0: Hoare triple {739#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {741#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:08,856 INFO L280 TraceCheckUtils]: 1: Hoare triple {741#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {741#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:08,857 INFO L280 TraceCheckUtils]: 2: Hoare triple {741#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {742#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:03:08,857 INFO L280 TraceCheckUtils]: 3: Hoare triple {742#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret2 := valid_product_#res;assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; {743#(= ULTIMATE.start_main_~tmp~1 ~systemActive~0)} is VALID [2020-07-28 19:03:08,863 INFO L280 TraceCheckUtils]: 4: Hoare triple {743#(= ULTIMATE.start_main_~tmp~1 ~systemActive~0)} assume 0 != main_~tmp~1; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,864 INFO L280 TraceCheckUtils]: 5: Hoare triple {744#(not (= 0 ~systemActive~0))} havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,865 INFO L280 TraceCheckUtils]: 6: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !false; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,865 INFO L280 TraceCheckUtils]: 7: Hoare triple {744#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,866 INFO L280 TraceCheckUtils]: 8: Hoare triple {744#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,867 INFO L280 TraceCheckUtils]: 9: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~2); {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,867 INFO L280 TraceCheckUtils]: 10: Hoare triple {744#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,868 INFO L280 TraceCheckUtils]: 11: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1); {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,868 INFO L280 TraceCheckUtils]: 12: Hoare triple {744#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet6 && test_#t~nondet6 <= 2147483647;test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,870 INFO L280 TraceCheckUtils]: 13: Hoare triple {744#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,870 INFO L280 TraceCheckUtils]: 14: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:08,871 INFO L280 TraceCheckUtils]: 15: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {740#false} is VALID [2020-07-28 19:03:08,871 INFO L280 TraceCheckUtils]: 16: Hoare triple {740#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {740#false} is VALID [2020-07-28 19:03:08,871 INFO L280 TraceCheckUtils]: 17: Hoare triple {740#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {740#false} is VALID [2020-07-28 19:03:08,872 INFO L280 TraceCheckUtils]: 18: Hoare triple {740#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {740#false} is VALID [2020-07-28 19:03:08,872 INFO L280 TraceCheckUtils]: 19: Hoare triple {740#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {740#false} is VALID [2020-07-28 19:03:08,874 INFO L280 TraceCheckUtils]: 20: Hoare triple {740#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {740#false} is VALID [2020-07-28 19:03:08,875 INFO L280 TraceCheckUtils]: 21: Hoare triple {740#false} assume !false; {740#false} is VALID [2020-07-28 19:03:08,876 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 19:03:08,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315060291] [2020-07-28 19:03:08,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:08,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:08,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344174300] [2020-07-28 19:03:08,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:03:08,881 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:08,881 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:08,912 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:08,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:08,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:08,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:08,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:08,913 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-07-28 19:03:09,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,417 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-07-28 19:03:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:03:09,417 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:03:09,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2020-07-28 19:03:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2020-07-28 19:03:09,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 86 transitions. [2020-07-28 19:03:09,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:09,525 INFO L225 Difference]: With dead ends: 60 [2020-07-28 19:03:09,525 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:03:09,526 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 19:03:09,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:03:09,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:03:09,566 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:09,566 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:09,567 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:09,567 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:09,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,569 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:03:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:09,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,570 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:09,570 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:09,570 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:09,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,576 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:03:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:09,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:09,577 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:09,577 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:03:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 19:03:09,579 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-07-28 19:03:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:09,579 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 19:03:09,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:03:09,585 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:09,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:09,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:09,586 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:09,586 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-07-28 19:03:09,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:09,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19504948] [2020-07-28 19:03:09,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:09,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {943#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {945#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {945#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {945#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,769 INFO L280 TraceCheckUtils]: 2: Hoare triple {945#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {946#(= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)} is VALID [2020-07-28 19:03:09,770 INFO L280 TraceCheckUtils]: 3: Hoare triple {946#(= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)} main_#t~ret2 := valid_product_#res;assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; {947#(= ULTIMATE.start_main_~tmp~1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,771 INFO L280 TraceCheckUtils]: 4: Hoare triple {947#(= ULTIMATE.start_main_~tmp~1 ~waterLevel~0)} assume 0 != main_~tmp~1; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,771 INFO L280 TraceCheckUtils]: 5: Hoare triple {948#(not (= 0 ~waterLevel~0))} havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,773 INFO L280 TraceCheckUtils]: 6: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !false; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,774 INFO L280 TraceCheckUtils]: 7: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume test_~splverifierCounter~0 < 4; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,775 INFO L280 TraceCheckUtils]: 8: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,776 INFO L280 TraceCheckUtils]: 9: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != test_~tmp~2); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,776 INFO L280 TraceCheckUtils]: 10: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,777 INFO L280 TraceCheckUtils]: 11: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != test_~tmp___0~1); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,777 INFO L280 TraceCheckUtils]: 12: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet6 && test_#t~nondet6 <= 2147483647;test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,778 INFO L280 TraceCheckUtils]: 13: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume 0 != test_~tmp___2~0; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,779 INFO L280 TraceCheckUtils]: 14: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,779 INFO L280 TraceCheckUtils]: 15: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,780 INFO L280 TraceCheckUtils]: 16: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:09,781 INFO L280 TraceCheckUtils]: 17: Hoare triple {948#(not (= 0 ~waterLevel~0))} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {949#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:03:09,782 INFO L280 TraceCheckUtils]: 18: Hoare triple {949#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {950#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0))} is VALID [2020-07-28 19:03:09,782 INFO L280 TraceCheckUtils]: 19: Hoare triple {950#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {944#false} is VALID [2020-07-28 19:03:09,783 INFO L280 TraceCheckUtils]: 20: Hoare triple {944#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {944#false} is VALID [2020-07-28 19:03:09,783 INFO L280 TraceCheckUtils]: 21: Hoare triple {944#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {944#false} is VALID [2020-07-28 19:03:09,783 INFO L280 TraceCheckUtils]: 22: Hoare triple {944#false} assume !false; {944#false} is VALID [2020-07-28 19:03:09,784 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 19:03:09,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19504948] [2020-07-28 19:03:09,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:09,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-28 19:03:09,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719347215] [2020-07-28 19:03:09,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-07-28 19:03:09,786 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:09,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 19:03:09,822 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:09,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 19:03:09,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:09,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 19:03:09,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:03:09,823 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2020-07-28 19:03:11,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:11,223 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2020-07-28 19:03:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 19:03:11,224 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-07-28 19:03:11,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:03:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 293 transitions. [2020-07-28 19:03:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:03:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 293 transitions. [2020-07-28 19:03:11,234 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 293 transitions. [2020-07-28 19:03:11,596 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 293 edges. 293 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:11,604 INFO L225 Difference]: With dead ends: 196 [2020-07-28 19:03:11,604 INFO L226 Difference]: Without dead ends: 169 [2020-07-28 19:03:11,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-28 19:03:11,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-28 19:03:11,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-07-28 19:03:11,742 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:11,743 INFO L82 GeneralOperation]: Start isEquivalent. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:11,743 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:11,743 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:11,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:11,751 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2020-07-28 19:03:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2020-07-28 19:03:11,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:11,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:11,753 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 169 states. [2020-07-28 19:03:11,754 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 169 states. [2020-07-28 19:03:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:11,761 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2020-07-28 19:03:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2020-07-28 19:03:11,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:11,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:11,762 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:11,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-28 19:03:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2020-07-28 19:03:11,766 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2020-07-28 19:03:11,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:11,766 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2020-07-28 19:03:11,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 19:03:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2020-07-28 19:03:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:11,767 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:11,768 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 19:03:11,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:11,768 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:11,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:11,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2020-07-28 19:03:11,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:11,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320790244] [2020-07-28 19:03:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:11,859 INFO L280 TraceCheckUtils]: 0: Hoare triple {1678#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,860 INFO L280 TraceCheckUtils]: 1: Hoare triple {1680#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,861 INFO L280 TraceCheckUtils]: 2: Hoare triple {1680#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,862 INFO L280 TraceCheckUtils]: 3: Hoare triple {1680#(= 0 ~pumpRunning~0)} main_#t~ret2 := valid_product_#res;assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,862 INFO L280 TraceCheckUtils]: 4: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,863 INFO L280 TraceCheckUtils]: 5: Hoare triple {1680#(= 0 ~pumpRunning~0)} havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,863 INFO L280 TraceCheckUtils]: 6: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume !false; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,864 INFO L280 TraceCheckUtils]: 7: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,865 INFO L280 TraceCheckUtils]: 8: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,865 INFO L280 TraceCheckUtils]: 9: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~2); {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,866 INFO L280 TraceCheckUtils]: 10: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,867 INFO L280 TraceCheckUtils]: 11: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,868 INFO L280 TraceCheckUtils]: 12: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet6 && test_#t~nondet6 <= 2147483647;test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,869 INFO L280 TraceCheckUtils]: 13: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:11,870 INFO L280 TraceCheckUtils]: 14: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {1679#false} is VALID [2020-07-28 19:03:11,870 INFO L280 TraceCheckUtils]: 15: Hoare triple {1679#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {1679#false} is VALID [2020-07-28 19:03:11,871 INFO L280 TraceCheckUtils]: 16: Hoare triple {1679#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1679#false} is VALID [2020-07-28 19:03:11,871 INFO L280 TraceCheckUtils]: 17: Hoare triple {1679#false} assume !(0 != ~pumpRunning~0); {1679#false} is VALID [2020-07-28 19:03:11,871 INFO L280 TraceCheckUtils]: 18: Hoare triple {1679#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {1679#false} is VALID [2020-07-28 19:03:11,871 INFO L280 TraceCheckUtils]: 19: Hoare triple {1679#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {1679#false} is VALID [2020-07-28 19:03:11,872 INFO L280 TraceCheckUtils]: 20: Hoare triple {1679#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1679#false} is VALID [2020-07-28 19:03:11,872 INFO L280 TraceCheckUtils]: 21: Hoare triple {1679#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {1679#false} is VALID [2020-07-28 19:03:11,873 INFO L280 TraceCheckUtils]: 22: Hoare triple {1679#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1679#false} is VALID [2020-07-28 19:03:11,873 INFO L280 TraceCheckUtils]: 23: Hoare triple {1679#false} assume !false; {1679#false} is VALID [2020-07-28 19:03:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:11,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320790244] [2020-07-28 19:03:11,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:11,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:11,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698885000] [2020-07-28 19:03:11,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:11,876 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:11,876 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:11,918 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 19:03:11,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:11,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:11,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:11,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:11,919 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2020-07-28 19:03:12,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,118 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2020-07-28 19:03:12,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:12,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:12,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:12,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:12,121 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 75 transitions. [2020-07-28 19:03:12,196 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:12,197 INFO L225 Difference]: With dead ends: 132 [2020-07-28 19:03:12,197 INFO L226 Difference]: Without dead ends: 60 [2020-07-28 19:03:12,198 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 19:03:12,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-07-28 19:03:12,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-07-28 19:03:12,285 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:12,285 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:12,285 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:12,285 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:12,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,288 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-07-28 19:03:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:12,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,289 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:12,289 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:12,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,291 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-07-28 19:03:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:12,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,292 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:12,292 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:03:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-07-28 19:03:12,294 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2020-07-28 19:03:12,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:12,294 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-07-28 19:03:12,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:03:12,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:12,295 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:12,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:12,296 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:12,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:12,296 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2020-07-28 19:03:12,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:12,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271460420] [2020-07-28 19:03:12,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:12,362 INFO L280 TraceCheckUtils]: 0: Hoare triple {2064#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,363 INFO L280 TraceCheckUtils]: 1: Hoare triple {2066#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,364 INFO L280 TraceCheckUtils]: 2: Hoare triple {2066#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,364 INFO L280 TraceCheckUtils]: 3: Hoare triple {2066#(= 1 ~waterLevel~0)} main_#t~ret2 := valid_product_#res;assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,365 INFO L280 TraceCheckUtils]: 4: Hoare triple {2066#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,366 INFO L280 TraceCheckUtils]: 5: Hoare triple {2066#(= 1 ~waterLevel~0)} havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,369 INFO L280 TraceCheckUtils]: 6: Hoare triple {2066#(= 1 ~waterLevel~0)} assume !false; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,376 INFO L280 TraceCheckUtils]: 7: Hoare triple {2066#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,376 INFO L280 TraceCheckUtils]: 8: Hoare triple {2066#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,378 INFO L280 TraceCheckUtils]: 9: Hoare triple {2066#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~2; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,378 INFO L280 TraceCheckUtils]: 10: Hoare triple {2066#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,379 INFO L280 TraceCheckUtils]: 11: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,380 INFO L280 TraceCheckUtils]: 12: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,381 INFO L280 TraceCheckUtils]: 13: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet6 && test_#t~nondet6 <= 2147483647;test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,382 INFO L280 TraceCheckUtils]: 14: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,384 INFO L280 TraceCheckUtils]: 15: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,386 INFO L280 TraceCheckUtils]: 16: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,388 INFO L280 TraceCheckUtils]: 17: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,389 INFO L280 TraceCheckUtils]: 18: Hoare triple {2067#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,391 INFO L280 TraceCheckUtils]: 19: Hoare triple {2067#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,392 INFO L280 TraceCheckUtils]: 20: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,393 INFO L280 TraceCheckUtils]: 21: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !false; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,393 INFO L280 TraceCheckUtils]: 22: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,394 INFO L280 TraceCheckUtils]: 23: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,395 INFO L280 TraceCheckUtils]: 24: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~2; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,395 INFO L280 TraceCheckUtils]: 25: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2065#false} is VALID [2020-07-28 19:03:12,396 INFO L280 TraceCheckUtils]: 26: Hoare triple {2065#false} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; {2065#false} is VALID [2020-07-28 19:03:12,396 INFO L280 TraceCheckUtils]: 27: Hoare triple {2065#false} assume !(0 != test_~tmp___0~1); {2065#false} is VALID [2020-07-28 19:03:12,396 INFO L280 TraceCheckUtils]: 28: Hoare triple {2065#false} assume -2147483648 <= test_#t~nondet6 && test_#t~nondet6 <= 2147483647;test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; {2065#false} is VALID [2020-07-28 19:03:12,396 INFO L280 TraceCheckUtils]: 29: Hoare triple {2065#false} assume 0 != test_~tmp___2~0; {2065#false} is VALID [2020-07-28 19:03:12,397 INFO L280 TraceCheckUtils]: 30: Hoare triple {2065#false} assume !(0 != ~pumpRunning~0); {2065#false} is VALID [2020-07-28 19:03:12,397 INFO L280 TraceCheckUtils]: 31: Hoare triple {2065#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {2065#false} is VALID [2020-07-28 19:03:12,397 INFO L280 TraceCheckUtils]: 32: Hoare triple {2065#false} assume !(0 != ~pumpRunning~0); {2065#false} is VALID [2020-07-28 19:03:12,397 INFO L280 TraceCheckUtils]: 33: Hoare triple {2065#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2065#false} is VALID [2020-07-28 19:03:12,398 INFO L280 TraceCheckUtils]: 34: Hoare triple {2065#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {2065#false} is VALID [2020-07-28 19:03:12,398 INFO L280 TraceCheckUtils]: 35: Hoare triple {2065#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {2065#false} is VALID [2020-07-28 19:03:12,398 INFO L280 TraceCheckUtils]: 36: Hoare triple {2065#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {2065#false} is VALID [2020-07-28 19:03:12,399 INFO L280 TraceCheckUtils]: 37: Hoare triple {2065#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {2065#false} is VALID [2020-07-28 19:03:12,399 INFO L280 TraceCheckUtils]: 38: Hoare triple {2065#false} assume !false; {2065#false} is VALID [2020-07-28 19:03:12,401 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:12,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271460420] [2020-07-28 19:03:12,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670797190] [2020-07-28 19:03:12,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:03:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:12,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 19:03:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:12,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:03:12,712 INFO L280 TraceCheckUtils]: 0: Hoare triple {2064#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,714 INFO L280 TraceCheckUtils]: 1: Hoare triple {2071#(<= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,715 INFO L280 TraceCheckUtils]: 2: Hoare triple {2071#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,716 INFO L280 TraceCheckUtils]: 3: Hoare triple {2071#(<= 1 ~waterLevel~0)} main_#t~ret2 := valid_product_#res;assume -2147483648 <= main_#t~ret2 && main_#t~ret2 <= 2147483647;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,717 INFO L280 TraceCheckUtils]: 4: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,717 INFO L280 TraceCheckUtils]: 5: Hoare triple {2071#(<= 1 ~waterLevel~0)} havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,718 INFO L280 TraceCheckUtils]: 6: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume !false; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,719 INFO L280 TraceCheckUtils]: 7: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,719 INFO L280 TraceCheckUtils]: 8: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,720 INFO L280 TraceCheckUtils]: 9: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~2; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,721 INFO L280 TraceCheckUtils]: 10: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,722 INFO L280 TraceCheckUtils]: 11: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,722 INFO L280 TraceCheckUtils]: 12: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,723 INFO L280 TraceCheckUtils]: 13: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet6 && test_#t~nondet6 <= 2147483647;test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,724 INFO L280 TraceCheckUtils]: 14: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,724 INFO L280 TraceCheckUtils]: 15: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,725 INFO L280 TraceCheckUtils]: 16: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,726 INFO L280 TraceCheckUtils]: 17: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,726 INFO L280 TraceCheckUtils]: 18: Hoare triple {2067#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,727 INFO L280 TraceCheckUtils]: 19: Hoare triple {2067#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,728 INFO L280 TraceCheckUtils]: 20: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,728 INFO L280 TraceCheckUtils]: 21: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !false; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,729 INFO L280 TraceCheckUtils]: 22: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,730 INFO L280 TraceCheckUtils]: 23: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,730 INFO L280 TraceCheckUtils]: 24: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~2; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:12,731 INFO L280 TraceCheckUtils]: 25: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2065#false} is VALID [2020-07-28 19:03:12,731 INFO L280 TraceCheckUtils]: 26: Hoare triple {2065#false} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; {2065#false} is VALID [2020-07-28 19:03:12,732 INFO L280 TraceCheckUtils]: 27: Hoare triple {2065#false} assume !(0 != test_~tmp___0~1); {2065#false} is VALID [2020-07-28 19:03:12,732 INFO L280 TraceCheckUtils]: 28: Hoare triple {2065#false} assume -2147483648 <= test_#t~nondet6 && test_#t~nondet6 <= 2147483647;test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; {2065#false} is VALID [2020-07-28 19:03:12,732 INFO L280 TraceCheckUtils]: 29: Hoare triple {2065#false} assume 0 != test_~tmp___2~0; {2065#false} is VALID [2020-07-28 19:03:12,732 INFO L280 TraceCheckUtils]: 30: Hoare triple {2065#false} assume !(0 != ~pumpRunning~0); {2065#false} is VALID [2020-07-28 19:03:12,732 INFO L280 TraceCheckUtils]: 31: Hoare triple {2065#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {2065#false} is VALID [2020-07-28 19:03:12,733 INFO L280 TraceCheckUtils]: 32: Hoare triple {2065#false} assume !(0 != ~pumpRunning~0); {2065#false} is VALID [2020-07-28 19:03:12,733 INFO L280 TraceCheckUtils]: 33: Hoare triple {2065#false} havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2065#false} is VALID [2020-07-28 19:03:12,733 INFO L280 TraceCheckUtils]: 34: Hoare triple {2065#false} __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret0 && __utac_acc__Specification4_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; {2065#false} is VALID [2020-07-28 19:03:12,734 INFO L280 TraceCheckUtils]: 35: Hoare triple {2065#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {2065#false} is VALID [2020-07-28 19:03:12,734 INFO L280 TraceCheckUtils]: 36: Hoare triple {2065#false} __utac_acc__Specification4_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {2065#false} is VALID [2020-07-28 19:03:12,734 INFO L280 TraceCheckUtils]: 37: Hoare triple {2065#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {2065#false} is VALID [2020-07-28 19:03:12,734 INFO L280 TraceCheckUtils]: 38: Hoare triple {2065#false} assume !false; {2065#false} is VALID [2020-07-28 19:03:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:12,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:03:12,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-07-28 19:03:12,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554279175] [2020-07-28 19:03:12,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-28 19:03:12,745 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:12,746 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:03:12,797 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:12,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:03:12,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:12,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:03:12,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:12,798 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2020-07-28 19:03:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,199 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-07-28 19:03:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:03:13,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-28 19:03:13,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2020-07-28 19:03:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2020-07-28 19:03:13,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 79 transitions. [2020-07-28 19:03:13,297 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:13,298 INFO L225 Difference]: With dead ends: 77 [2020-07-28 19:03:13,298 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:13,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:13,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:13,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:13,299 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:13,299 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:13,301 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:13,301 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:13,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,302 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:13,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:13,302 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:13,302 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:13,303 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:13,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,303 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:13,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:13,303 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:13,303 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:13,304 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:13,304 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-07-28 19:03:13,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:13,305 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:13,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:03:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:13,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:13,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-28 19:03:13,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:14,160 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-07-28 19:03:14,161 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-07-28 19:03:14,161 INFO L268 CegarLoopResult]: For program point L85-1(lines 295 301) no Hoare annotation was computed. [2020-07-28 19:03:14,161 INFO L271 CegarLoopResult]: At program point L168(lines 149 171) the Hoare annotation is: true [2020-07-28 19:03:14,162 INFO L264 CegarLoopResult]: At program point L515(lines 510 518) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 1 ~waterLevel~0) .cse5))) [2020-07-28 19:03:14,162 INFO L264 CegarLoopResult]: At program point L515-1(lines 510 518) the Hoare annotation is: false [2020-07-28 19:03:14,162 INFO L264 CegarLoopResult]: At program point L515-2(lines 510 518) the Hoare annotation is: false [2020-07-28 19:03:14,162 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:14,162 INFO L264 CegarLoopResult]: At program point L302(lines 302 308) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:03:14,162 INFO L264 CegarLoopResult]: At program point L302-1(lines 302 308) the Hoare annotation is: false [2020-07-28 19:03:14,162 INFO L264 CegarLoopResult]: At program point L302-2(lines 302 308) the Hoare annotation is: false [2020-07-28 19:03:14,162 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-28 19:03:14,163 INFO L268 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2020-07-28 19:03:14,163 INFO L264 CegarLoopResult]: At program point L435(lines 420 438) the Hoare annotation is: false [2020-07-28 19:03:14,163 INFO L268 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2020-07-28 19:03:14,163 INFO L264 CegarLoopResult]: At program point L435-1(lines 420 438) the Hoare annotation is: false [2020-07-28 19:03:14,163 INFO L264 CegarLoopResult]: At program point L435-2(lines 420 438) the Hoare annotation is: false [2020-07-28 19:03:14,163 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-28 19:03:14,164 INFO L264 CegarLoopResult]: At program point L204(lines 1 893) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:14,164 INFO L264 CegarLoopResult]: At program point L237-1(lines 237 243) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:03:14,164 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-07-28 19:03:14,164 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:14,164 INFO L264 CegarLoopResult]: At program point L273(lines 226 274) the Hoare annotation is: false [2020-07-28 19:03:14,164 INFO L268 CegarLoopResult]: For program point L257(lines 257 268) no Hoare annotation was computed. [2020-07-28 19:03:14,164 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-07-28 19:03:14,164 INFO L268 CegarLoopResult]: For program point L159(lines 159 166) no Hoare annotation was computed. [2020-07-28 19:03:14,164 INFO L271 CegarLoopResult]: At program point L159-1(lines 159 166) the Hoare annotation is: true [2020-07-28 19:03:14,165 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:14,165 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-28 19:03:14,165 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-07-28 19:03:14,165 INFO L268 CegarLoopResult]: For program point L177-2(line 177) no Hoare annotation was computed. [2020-07-28 19:03:14,165 INFO L264 CegarLoopResult]: At program point L524(lines 519 527) the Hoare annotation is: false [2020-07-28 19:03:14,165 INFO L264 CegarLoopResult]: At program point L524-1(lines 519 527) the Hoare annotation is: false [2020-07-28 19:03:14,165 INFO L268 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-07-28 19:03:14,165 INFO L264 CegarLoopResult]: At program point L524-2(lines 519 527) the Hoare annotation is: false [2020-07-28 19:03:14,165 INFO L268 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2020-07-28 19:03:14,165 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 344) no Hoare annotation was computed. [2020-07-28 19:03:14,166 INFO L268 CegarLoopResult]: For program point L327-2(lines 327 344) no Hoare annotation was computed. [2020-07-28 19:03:14,166 INFO L268 CegarLoopResult]: For program point L228(lines 227 272) no Hoare annotation was computed. [2020-07-28 19:03:14,166 INFO L264 CegarLoopResult]: At program point L212(lines 207 215) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:14,166 INFO L264 CegarLoopResult]: At program point L295(lines 294 313) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:03:14,166 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2020-07-28 19:03:14,166 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-07-28 19:03:14,166 INFO L264 CegarLoopResult]: At program point L295-2(lines 294 313) the Hoare annotation is: false [2020-07-28 19:03:14,166 INFO L264 CegarLoopResult]: At program point L295-3(lines 294 313) the Hoare annotation is: false [2020-07-28 19:03:14,166 INFO L264 CegarLoopResult]: At program point L81-2(lines 81 95) the Hoare annotation is: false [2020-07-28 19:03:14,167 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-28 19:03:14,167 INFO L268 CegarLoopResult]: For program point L263-2(lines 295 301) no Hoare annotation was computed. [2020-07-28 19:03:14,167 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:14,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-07-28 19:03:14,167 INFO L268 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-07-28 19:03:14,167 INFO L264 CegarLoopResult]: At program point L247-1(lines 247 253) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:03:14,167 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-28 19:03:14,167 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:03:14,168 INFO L268 CegarLoopResult]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:03:14,168 INFO L268 CegarLoopResult]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:03:14,168 INFO L268 CegarLoopResult]: For program point L429-5(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:03:14,168 INFO L268 CegarLoopResult]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:03:14,168 INFO L268 CegarLoopResult]: For program point L429-8(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:03:14,169 INFO L264 CegarLoopResult]: At program point L132(lines 128 134) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:14,169 INFO L268 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-07-28 19:03:14,169 INFO L264 CegarLoopResult]: At program point L380(lines 375 383) the Hoare annotation is: false [2020-07-28 19:03:14,170 INFO L268 CegarLoopResult]: For program point L446-3(lines 446 450) no Hoare annotation was computed. [2020-07-28 19:03:14,170 INFO L264 CegarLoopResult]: At program point L380-1(lines 375 383) the Hoare annotation is: false [2020-07-28 19:03:14,170 INFO L264 CegarLoopResult]: At program point L380-2(lines 375 383) the Hoare annotation is: false [2020-07-28 19:03:14,170 INFO L268 CegarLoopResult]: For program point L446-6(lines 446 450) no Hoare annotation was computed. [2020-07-28 19:03:14,170 INFO L268 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2020-07-28 19:03:14,170 INFO L268 CegarLoopResult]: For program point L331-1(lines 331 339) no Hoare annotation was computed. [2020-07-28 19:03:14,170 INFO L268 CegarLoopResult]: For program point L331-2(lines 331 339) no Hoare annotation was computed. [2020-07-28 19:03:14,170 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-28 19:03:14,170 INFO L264 CegarLoopResult]: At program point L51-1(lines 1 893) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)) .cse3 .cse4))) [2020-07-28 19:03:14,170 INFO L268 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2020-07-28 19:03:14,171 INFO L264 CegarLoopResult]: At program point L51-3(lines 1 893) the Hoare annotation is: false [2020-07-28 19:03:14,171 INFO L268 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2020-07-28 19:03:14,171 INFO L264 CegarLoopResult]: At program point L51-5(lines 1 893) the Hoare annotation is: false [2020-07-28 19:03:14,175 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:14,176 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:14,180 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:03:14,180 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:03:14,180 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:03:14,181 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 19:03:14,181 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:14,181 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 19:03:14,181 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: L446-3 has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: L446-3 has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: L327-1 has no Hoare annotation [2020-07-28 19:03:14,182 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L327-1 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L327-1 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L458 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L458 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L247 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L429-3 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L247 has no Hoare annotation [2020-07-28 19:03:14,183 WARN L170 areAnnotationChecker]: L247 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L429-3 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L429-3 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L429-5 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 19:03:14,184 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L331-1 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L263-2 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L263-2 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L263 has no Hoare annotation [2020-07-28 19:03:14,185 WARN L170 areAnnotationChecker]: L263 has no Hoare annotation [2020-07-28 19:03:14,186 WARN L170 areAnnotationChecker]: L331-1 has no Hoare annotation [2020-07-28 19:03:14,186 WARN L170 areAnnotationChecker]: L331-1 has no Hoare annotation [2020-07-28 19:03:14,186 WARN L170 areAnnotationChecker]: L177-1 has no Hoare annotation [2020-07-28 19:03:14,186 WARN L170 areAnnotationChecker]: L177-1 has no Hoare annotation [2020-07-28 19:03:14,186 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:03:14,186 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2020-07-28 19:03:14,186 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2020-07-28 19:03:14,186 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 19:03:14,193 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:03:14,193 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:03:14,194 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 19:03:14,194 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 19:03:14,195 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 19:03:14,195 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 19:03:14,195 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L446-6 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L446-6 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L327-2 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 19:03:14,196 WARN L170 areAnnotationChecker]: L327-2 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L327-2 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L429-2 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L429-6 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L429-6 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L429-6 has no Hoare annotation [2020-07-28 19:03:14,197 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 19:03:14,198 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 19:03:14,198 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 19:03:14,198 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 19:03:14,198 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 19:03:14,198 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 19:03:14,198 WARN L170 areAnnotationChecker]: L429-8 has no Hoare annotation [2020-07-28 19:03:14,199 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 19:03:14,199 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 19:03:14,200 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 19:03:14,200 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 19:03:14,200 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 19:03:14,200 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 19:03:14,200 WARN L170 areAnnotationChecker]: L177-2 has no Hoare annotation [2020-07-28 19:03:14,200 WARN L170 areAnnotationChecker]: L177-2 has no Hoare annotation [2020-07-28 19:03:14,200 INFO L163 areAnnotationChecker]: CFG has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:14,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:14 BoogieIcfgContainer [2020-07-28 19:03:14,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:14,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:14,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:14,224 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:14,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:06" (3/4) ... [2020-07-28 19:03:14,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:14,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:14,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:14,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:14,246 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:14,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:14,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:14,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:14,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:03:14,277 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:03:14,277 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && tmp == systemActive) && 0 == pumpRunning) && !(0 == tmp)) && \result == systemActive) && 1 == systemActive) [2020-07-28 19:03:14,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) [2020-07-28 19:03:14,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) [2020-07-28 19:03:14,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) [2020-07-28 19:03:14,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) [2020-07-28 19:03:14,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) || ((((((0 == splverifierCounter && !(0 == \result)) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:03:14,333 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:14,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:14,336 INFO L168 Benchmark]: Toolchain (without parser) took 9669.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 275.3 MB). Free memory was 954.9 MB in the beginning and 964.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 265.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:14,336 INFO L168 Benchmark]: CDTParser took 0.77 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 19:03:14,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:14,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.77 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 19:03:14,337 INFO L168 Benchmark]: Boogie Preprocessor took 38.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:14,338 INFO L168 Benchmark]: RCFGBuilder took 1351.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.4 MB in the end (delta: 131.2 MB). Peak memory consumption was 131.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:14,338 INFO L168 Benchmark]: TraceAbstraction took 7315.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 986.4 MB in the beginning and 973.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 132.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:14,339 INFO L168 Benchmark]: Witness Printer took 110.31 ms. Allocated memory is still 1.3 GB. Free memory was 973.5 MB in the beginning and 964.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:14,341 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 0.77 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 750.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.77 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 38.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1351.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.4 MB in the end (delta: 131.2 MB). Peak memory consumption was 131.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7315.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 986.4 MB in the beginning and 973.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 132.4 MB. Max. memory is 11.5 GB. * Witness Printer took 110.31 ms. Allocated memory is still 1.3 GB. Free memory was 973.5 MB in the beginning and 964.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) || ((((((0 == splverifierCounter && !(0 == \result)) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && tmp == systemActive) && 0 == pumpRunning) && !(0 == tmp)) && \result == systemActive) && 1 == systemActive) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 515 SDslu, 367 SDs, 0 SdLazy, 104 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 44 NumberOfFragments, 310 HoareAnnotationTreeSize, 30 FomulaSimplifications, 352 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...