./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product04.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_product04.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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:02:39,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:02:39,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:02:39,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:02:39,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:02:39,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:02:39,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:02:39,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:02:39,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:02:39,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:02:39,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:02:39,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:02:39,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:02:39,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:02:39,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:02:39,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:02:39,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:02:39,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:02:39,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:02:39,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:02:39,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:02:39,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:02:39,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:02:39,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:02:39,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:02:39,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:02:39,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:02:39,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:02:39,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:02:39,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:02:39,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:02:39,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:02:39,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:02:39,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:02:39,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:02:39,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:02:39,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:02:39,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:02:39,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:02:39,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:02:39,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:02:39,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:02:39,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:02:39,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:02:39,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:02:39,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:02:39,582 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:02:39,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:02:39,582 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:02:39,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:02:39,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:02:39,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:02:39,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:02:39,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:02:39,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:02:39,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:02:39,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:02:39,586 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:02:39,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:02:39,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:02:39,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:02:39,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:02:39,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:02:39,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:39,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:02:39,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:02:39,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:02:39,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:02:39,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:02:39,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:02:39,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:02:39,590 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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2020-07-28 19:02:39,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:02:39,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:02:39,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:02:39,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:02:39,894 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:02:39,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2020-07-28 19:02:39,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9a94cc2/85af250333cd4e7baa6c842afb9bc723/FLAG832c6764a [2020-07-28 19:02:40,482 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:02:40,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2020-07-28 19:02:40,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9a94cc2/85af250333cd4e7baa6c842afb9bc723/FLAG832c6764a [2020-07-28 19:02:40,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9a94cc2/85af250333cd4e7baa6c842afb9bc723 [2020-07-28 19:02:40,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:02:40,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:02:40,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:40,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:02:40,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:02:40,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:40" (1/1) ... [2020-07-28 19:02:40,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183ce8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:40, skipping insertion in model container [2020-07-28 19:02:40,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:40" (1/1) ... [2020-07-28 19:02:40,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:02:40,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:02:41,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:41,352 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:02:41,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:41,467 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:02:41,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41 WrapperNode [2020-07-28 19:02:41,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:41,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:41,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:02:41,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:02:41,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:41,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:02:41,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:02:41,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:02:41,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... [2020-07-28 19:02:41,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:02:41,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:02:41,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:02:41,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:02:41,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:02:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:02:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:02:41,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:02:42,953 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:02:42,954 INFO L295 CfgBuilder]: Removed 72 assume(true) statements. [2020-07-28 19:02:42,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:42 BoogieIcfgContainer [2020-07-28 19:02:42,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:02:42,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:02:42,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:02:42,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:02:42,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:02:40" (1/3) ... [2020-07-28 19:02:42,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dd1c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:42, skipping insertion in model container [2020-07-28 19:02:42,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:41" (2/3) ... [2020-07-28 19:02:42,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dd1c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:42, skipping insertion in model container [2020-07-28 19:02:42,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:42" (3/3) ... [2020-07-28 19:02:42,970 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-07-28 19:02:42,981 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:02:42,989 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:02:43,000 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:02:43,023 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:02:43,023 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:02:43,023 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:02:43,023 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:02:43,024 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:02:43,024 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:02:43,024 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:02:43,025 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:02:43,042 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-07-28 19:02:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:02:43,049 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:43,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:43,051 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:43,058 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2020-07-28 19:02:43,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:43,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204067612] [2020-07-28 19:02:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:43,404 INFO L280 TraceCheckUtils]: 0: Hoare triple {62#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {62#true} is VALID [2020-07-28 19:02:43,404 INFO L280 TraceCheckUtils]: 1: Hoare triple {62#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {62#true} is VALID [2020-07-28 19:02:43,405 INFO L280 TraceCheckUtils]: 2: Hoare triple {62#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; {62#true} is VALID [2020-07-28 19:02:43,405 INFO L280 TraceCheckUtils]: 3: Hoare triple {62#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {62#true} is VALID [2020-07-28 19:02:43,406 INFO L280 TraceCheckUtils]: 4: Hoare triple {62#true} assume 0 != main_~tmp~0; {62#true} is VALID [2020-07-28 19:02:43,406 INFO L280 TraceCheckUtils]: 5: Hoare triple {62#true} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {62#true} is VALID [2020-07-28 19:02:43,408 INFO L280 TraceCheckUtils]: 6: Hoare triple {62#true} assume false; {63#false} is VALID [2020-07-28 19:02:43,408 INFO L280 TraceCheckUtils]: 7: Hoare triple {63#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {63#false} is VALID [2020-07-28 19:02:43,409 INFO L280 TraceCheckUtils]: 8: Hoare triple {63#false} assume !(0 != ~pumpRunning~0); {63#false} is VALID [2020-07-28 19:02:43,409 INFO L280 TraceCheckUtils]: 9: Hoare triple {63#false} assume !(0 != ~systemActive~0); {63#false} is VALID [2020-07-28 19:02:43,409 INFO L280 TraceCheckUtils]: 10: Hoare triple {63#false} havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {63#false} is VALID [2020-07-28 19:02:43,410 INFO L280 TraceCheckUtils]: 11: Hoare triple {63#false} __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret68 && __utac_acc__Specification4_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; {63#false} is VALID [2020-07-28 19:02:43,412 INFO L280 TraceCheckUtils]: 12: Hoare triple {63#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {63#false} is VALID [2020-07-28 19:02:43,412 INFO L280 TraceCheckUtils]: 13: Hoare triple {63#false} __utac_acc__Specification4_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret69 && __utac_acc__Specification4_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret69;havoc __utac_acc__Specification4_spec__1_#t~ret69; {63#false} is VALID [2020-07-28 19:02:43,413 INFO L280 TraceCheckUtils]: 14: Hoare triple {63#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {63#false} is VALID [2020-07-28 19:02:43,413 INFO L280 TraceCheckUtils]: 15: Hoare triple {63#false} assume !false; {63#false} is VALID [2020-07-28 19:02:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:43,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204067612] [2020-07-28 19:02:43,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:43,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:43,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243390246] [2020-07-28 19:02:43,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:02:43,432 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:43,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:02:43,479 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 19:02:43,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:02:43,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:43,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:02:43,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:02:43,492 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-07-28 19:02:43,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:43,756 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2020-07-28 19:02:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:02:43,757 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:02:43,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2020-07-28 19:02:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2020-07-28 19:02:43,794 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 167 transitions. [2020-07-28 19:02:44,059 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:44,081 INFO L225 Difference]: With dead ends: 112 [2020-07-28 19:02:44,081 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 19:02:44,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:02:44,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 19:02:44,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 19:02:44,127 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:44,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 19:02:44,128 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:02:44,128 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:02:44,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:44,134 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 19:02:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 19:02:44,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:44,135 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:44,135 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:02:44,136 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:02:44,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:44,141 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 19:02:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 19:02:44,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:44,142 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:44,142 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:44,143 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 19:02:44,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-07-28 19:02:44,149 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-07-28 19:02:44,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:44,149 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-07-28 19:02:44,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:02:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 19:02:44,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:02:44,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:44,151 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 19:02:44,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:02:44,152 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:44,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:44,152 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2020-07-28 19:02:44,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:44,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615015384] [2020-07-28 19:02:44,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:44,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {416#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {416#true} is VALID [2020-07-28 19:02:44,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {416#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {416#true} is VALID [2020-07-28 19:02:44,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {416#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; {416#true} is VALID [2020-07-28 19:02:44,316 INFO L280 TraceCheckUtils]: 3: Hoare triple {416#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {416#true} is VALID [2020-07-28 19:02:44,316 INFO L280 TraceCheckUtils]: 4: Hoare triple {416#true} assume 0 != main_~tmp~0; {416#true} is VALID [2020-07-28 19:02:44,317 INFO L280 TraceCheckUtils]: 5: Hoare triple {416#true} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:44,318 INFO L280 TraceCheckUtils]: 6: Hoare triple {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:44,319 INFO L280 TraceCheckUtils]: 7: Hoare triple {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {417#false} is VALID [2020-07-28 19:02:44,319 INFO L280 TraceCheckUtils]: 8: Hoare triple {417#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {417#false} is VALID [2020-07-28 19:02:44,319 INFO L280 TraceCheckUtils]: 9: Hoare triple {417#false} assume !(0 != ~pumpRunning~0); {417#false} is VALID [2020-07-28 19:02:44,320 INFO L280 TraceCheckUtils]: 10: Hoare triple {417#false} assume !(0 != ~systemActive~0); {417#false} is VALID [2020-07-28 19:02:44,320 INFO L280 TraceCheckUtils]: 11: Hoare triple {417#false} havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {417#false} is VALID [2020-07-28 19:02:44,320 INFO L280 TraceCheckUtils]: 12: Hoare triple {417#false} __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret68 && __utac_acc__Specification4_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; {417#false} is VALID [2020-07-28 19:02:44,321 INFO L280 TraceCheckUtils]: 13: Hoare triple {417#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {417#false} is VALID [2020-07-28 19:02:44,321 INFO L280 TraceCheckUtils]: 14: Hoare triple {417#false} __utac_acc__Specification4_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret69 && __utac_acc__Specification4_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret69;havoc __utac_acc__Specification4_spec__1_#t~ret69; {417#false} is VALID [2020-07-28 19:02:44,321 INFO L280 TraceCheckUtils]: 15: Hoare triple {417#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {417#false} is VALID [2020-07-28 19:02:44,322 INFO L280 TraceCheckUtils]: 16: Hoare triple {417#false} assume !false; {417#false} is VALID [2020-07-28 19:02:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:44,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615015384] [2020-07-28 19:02:44,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:44,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:02:44,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122763657] [2020-07-28 19:02:44,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:02:44,326 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:44,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:44,365 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 19:02:44,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:44,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:44,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:44,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:44,366 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-07-28 19:02:44,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:44,572 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 19:02:44,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:44,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:02:44,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:02:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:02:44,580 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 75 transitions. [2020-07-28 19:02:44,683 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 19:02:44,685 INFO L225 Difference]: With dead ends: 55 [2020-07-28 19:02:44,685 INFO L226 Difference]: Without dead ends: 29 [2020-07-28 19:02:44,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-28 19:02:44,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-28 19:02:44,698 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:44,699 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-28 19:02:44,699 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 19:02:44,702 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 19:02:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:44,705 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 19:02:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:02:44,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:44,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:44,708 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 19:02:44,708 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 19:02:44,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:44,710 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 19:02:44,711 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:02:44,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:44,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:44,713 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:44,713 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 19:02:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-07-28 19:02:44,715 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-07-28 19:02:44,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:44,716 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-07-28 19:02:44,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:02:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:02:44,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:44,717 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 19:02:44,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:02:44,718 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:44,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:44,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-07-28 19:02:44,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:44,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542790263] [2020-07-28 19:02:44,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:44,865 INFO L280 TraceCheckUtils]: 0: Hoare triple {599#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {599#true} is VALID [2020-07-28 19:02:44,866 INFO L280 TraceCheckUtils]: 1: Hoare triple {599#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {599#true} is VALID [2020-07-28 19:02:44,867 INFO L280 TraceCheckUtils]: 2: Hoare triple {599#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; {601#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:02:44,870 INFO L280 TraceCheckUtils]: 3: Hoare triple {601#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {602#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 19:02:44,870 INFO L280 TraceCheckUtils]: 4: Hoare triple {602#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {599#true} is VALID [2020-07-28 19:02:44,870 INFO L280 TraceCheckUtils]: 5: Hoare triple {599#true} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {599#true} is VALID [2020-07-28 19:02:44,871 INFO L280 TraceCheckUtils]: 6: Hoare triple {599#true} assume !false; {599#true} is VALID [2020-07-28 19:02:44,871 INFO L280 TraceCheckUtils]: 7: Hoare triple {599#true} assume test_~splverifierCounter~0 < 4; {599#true} is VALID [2020-07-28 19:02:44,871 INFO L280 TraceCheckUtils]: 8: Hoare triple {599#true} assume -2147483648 <= test_#t~nondet29 && test_#t~nondet29 <= 2147483647;test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; {599#true} is VALID [2020-07-28 19:02:44,872 INFO L280 TraceCheckUtils]: 9: Hoare triple {599#true} assume !(0 != test_~tmp~1); {599#true} is VALID [2020-07-28 19:02:44,872 INFO L280 TraceCheckUtils]: 10: Hoare triple {599#true} assume -2147483648 <= test_#t~nondet30 && test_#t~nondet30 <= 2147483647;test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; {599#true} is VALID [2020-07-28 19:02:44,872 INFO L280 TraceCheckUtils]: 11: Hoare triple {599#true} assume !(0 != test_~tmp___0~0); {599#true} is VALID [2020-07-28 19:02:44,873 INFO L280 TraceCheckUtils]: 12: Hoare triple {599#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; {599#true} is VALID [2020-07-28 19:02:44,877 INFO L280 TraceCheckUtils]: 13: Hoare triple {599#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {603#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:44,878 INFO L280 TraceCheckUtils]: 14: Hoare triple {603#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {603#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:44,879 INFO L280 TraceCheckUtils]: 15: Hoare triple {603#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {600#false} is VALID [2020-07-28 19:02:44,879 INFO L280 TraceCheckUtils]: 16: Hoare triple {600#false} havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {600#false} is VALID [2020-07-28 19:02:44,880 INFO L280 TraceCheckUtils]: 17: Hoare triple {600#false} __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret68 && __utac_acc__Specification4_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; {600#false} is VALID [2020-07-28 19:02:44,880 INFO L280 TraceCheckUtils]: 18: Hoare triple {600#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {600#false} is VALID [2020-07-28 19:02:44,880 INFO L280 TraceCheckUtils]: 19: Hoare triple {600#false} __utac_acc__Specification4_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret69 && __utac_acc__Specification4_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret69;havoc __utac_acc__Specification4_spec__1_#t~ret69; {600#false} is VALID [2020-07-28 19:02:44,881 INFO L280 TraceCheckUtils]: 20: Hoare triple {600#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {600#false} is VALID [2020-07-28 19:02:44,881 INFO L280 TraceCheckUtils]: 21: Hoare triple {600#false} assume !false; {600#false} is VALID [2020-07-28 19:02:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:44,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542790263] [2020-07-28 19:02:44,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:44,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:02:44,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094213302] [2020-07-28 19:02:44,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:02:44,892 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:44,892 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:44,936 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 19:02:44,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:44,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:44,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:44,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:44,937 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-07-28 19:02:45,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:45,399 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-07-28 19:02:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:02:45,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:02:45,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2020-07-28 19:02:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2020-07-28 19:02:45,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 108 transitions. [2020-07-28 19:02:45,559 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:45,562 INFO L225 Difference]: With dead ends: 75 [2020-07-28 19:02:45,562 INFO L226 Difference]: Without dead ends: 52 [2020-07-28 19:02:45,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:45,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-07-28 19:02:45,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-07-28 19:02:45,619 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:45,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 48 states. [2020-07-28 19:02:45,619 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 48 states. [2020-07-28 19:02:45,620 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 48 states. [2020-07-28 19:02:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:45,622 INFO L93 Difference]: Finished difference Result 52 states and 73 transitions. [2020-07-28 19:02:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2020-07-28 19:02:45,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:45,623 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:45,624 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 52 states. [2020-07-28 19:02:45,624 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 52 states. [2020-07-28 19:02:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:45,627 INFO L93 Difference]: Finished difference Result 52 states and 73 transitions. [2020-07-28 19:02:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2020-07-28 19:02:45,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:45,627 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:45,628 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:45,628 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-28 19:02:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-07-28 19:02:45,630 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-07-28 19:02:45,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:45,630 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-07-28 19:02:45,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-07-28 19:02:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:02:45,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:45,632 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 19:02:45,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:02:45,632 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:45,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:45,633 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-07-28 19:02:45,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:45,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789998386] [2020-07-28 19:02:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:45,744 INFO L280 TraceCheckUtils]: 0: Hoare triple {891#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,745 INFO L280 TraceCheckUtils]: 1: Hoare triple {893#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,746 INFO L280 TraceCheckUtils]: 2: Hoare triple {893#(= 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; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,747 INFO L280 TraceCheckUtils]: 3: Hoare triple {893#(= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,747 INFO L280 TraceCheckUtils]: 4: Hoare triple {893#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,748 INFO L280 TraceCheckUtils]: 5: Hoare triple {893#(= 1 ~waterLevel~0)} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,748 INFO L280 TraceCheckUtils]: 6: Hoare triple {893#(= 1 ~waterLevel~0)} assume !false; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,749 INFO L280 TraceCheckUtils]: 7: Hoare triple {893#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,750 INFO L280 TraceCheckUtils]: 8: Hoare triple {893#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet29 && test_#t~nondet29 <= 2147483647;test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,751 INFO L280 TraceCheckUtils]: 9: Hoare triple {893#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~1); {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,751 INFO L280 TraceCheckUtils]: 10: Hoare triple {893#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet30 && test_#t~nondet30 <= 2147483647;test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,752 INFO L280 TraceCheckUtils]: 11: Hoare triple {893#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,753 INFO L280 TraceCheckUtils]: 12: Hoare triple {893#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,753 INFO L280 TraceCheckUtils]: 13: Hoare triple {893#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,754 INFO L280 TraceCheckUtils]: 14: Hoare triple {893#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,755 INFO L280 TraceCheckUtils]: 15: Hoare triple {893#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {893#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:45,755 INFO L280 TraceCheckUtils]: 16: Hoare triple {893#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {894#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:02:45,756 INFO L280 TraceCheckUtils]: 17: Hoare triple {894#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret68 && __utac_acc__Specification4_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; {895#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5)} is VALID [2020-07-28 19:02:45,757 INFO L280 TraceCheckUtils]: 18: Hoare triple {895#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {892#false} is VALID [2020-07-28 19:02:45,758 INFO L280 TraceCheckUtils]: 19: Hoare triple {892#false} __utac_acc__Specification4_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret69 && __utac_acc__Specification4_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret69;havoc __utac_acc__Specification4_spec__1_#t~ret69; {892#false} is VALID [2020-07-28 19:02:45,758 INFO L280 TraceCheckUtils]: 20: Hoare triple {892#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {892#false} is VALID [2020-07-28 19:02:45,758 INFO L280 TraceCheckUtils]: 21: Hoare triple {892#false} assume !false; {892#false} is VALID [2020-07-28 19:02:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:45,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789998386] [2020-07-28 19:02:45,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:45,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:02:45,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254717408] [2020-07-28 19:02:45,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:02:45,761 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:45,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:45,793 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 19:02:45,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:45,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:45,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:45,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:45,794 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-07-28 19:02:46,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:46,353 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2020-07-28 19:02:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:02:46,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:02:46,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2020-07-28 19:02:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2020-07-28 19:02:46,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 151 transitions. [2020-07-28 19:02:46,536 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:46,541 INFO L225 Difference]: With dead ends: 169 [2020-07-28 19:02:46,541 INFO L226 Difference]: Without dead ends: 127 [2020-07-28 19:02:46,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:46,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-28 19:02:46,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2020-07-28 19:02:46,651 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:46,651 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 84 states. [2020-07-28 19:02:46,651 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 84 states. [2020-07-28 19:02:46,651 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 84 states. [2020-07-28 19:02:46,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:46,658 INFO L93 Difference]: Finished difference Result 127 states and 185 transitions. [2020-07-28 19:02:46,658 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2020-07-28 19:02:46,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:46,659 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:46,660 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 127 states. [2020-07-28 19:02:46,660 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 127 states. [2020-07-28 19:02:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:46,666 INFO L93 Difference]: Finished difference Result 127 states and 185 transitions. [2020-07-28 19:02:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2020-07-28 19:02:46,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:46,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:46,668 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:46,668 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-28 19:02:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2020-07-28 19:02:46,672 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2020-07-28 19:02:46,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:46,673 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2020-07-28 19:02:46,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2020-07-28 19:02:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:02:46,674 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:46,675 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 19:02:46,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:02:46,675 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:46,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:46,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1805520562, now seen corresponding path program 1 times [2020-07-28 19:02:46,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:46,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626893711] [2020-07-28 19:02:46,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:46,767 INFO L280 TraceCheckUtils]: 0: Hoare triple {1519#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,770 INFO L280 TraceCheckUtils]: 1: Hoare triple {1521#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,773 INFO L280 TraceCheckUtils]: 2: Hoare triple {1521#(= 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; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,776 INFO L280 TraceCheckUtils]: 3: Hoare triple {1521#(= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,776 INFO L280 TraceCheckUtils]: 4: Hoare triple {1521#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,777 INFO L280 TraceCheckUtils]: 5: Hoare triple {1521#(= 1 ~waterLevel~0)} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,778 INFO L280 TraceCheckUtils]: 6: Hoare triple {1521#(= 1 ~waterLevel~0)} assume !false; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,778 INFO L280 TraceCheckUtils]: 7: Hoare triple {1521#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,779 INFO L280 TraceCheckUtils]: 8: Hoare triple {1521#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet29 && test_#t~nondet29 <= 2147483647;test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,780 INFO L280 TraceCheckUtils]: 9: Hoare triple {1521#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~1; {1521#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,781 INFO L280 TraceCheckUtils]: 10: Hoare triple {1521#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1522#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,781 INFO L280 TraceCheckUtils]: 11: Hoare triple {1522#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet30 && test_#t~nondet30 <= 2147483647;test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; {1522#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,782 INFO L280 TraceCheckUtils]: 12: Hoare triple {1522#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {1522#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,783 INFO L280 TraceCheckUtils]: 13: Hoare triple {1522#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; {1522#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,784 INFO L280 TraceCheckUtils]: 14: Hoare triple {1522#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1522#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,784 INFO L280 TraceCheckUtils]: 15: Hoare triple {1522#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1522#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,785 INFO L280 TraceCheckUtils]: 16: Hoare triple {1522#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0; {1522#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:46,786 INFO L280 TraceCheckUtils]: 17: Hoare triple {1522#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {1523#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:02:46,787 INFO L280 TraceCheckUtils]: 18: Hoare triple {1523#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret68 && __utac_acc__Specification4_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; {1524#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5)} is VALID [2020-07-28 19:02:46,787 INFO L280 TraceCheckUtils]: 19: Hoare triple {1524#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1520#false} is VALID [2020-07-28 19:02:46,788 INFO L280 TraceCheckUtils]: 20: Hoare triple {1520#false} __utac_acc__Specification4_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret69 && __utac_acc__Specification4_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret69;havoc __utac_acc__Specification4_spec__1_#t~ret69; {1520#false} is VALID [2020-07-28 19:02:46,788 INFO L280 TraceCheckUtils]: 21: Hoare triple {1520#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {1520#false} is VALID [2020-07-28 19:02:46,788 INFO L280 TraceCheckUtils]: 22: Hoare triple {1520#false} assume !false; {1520#false} is VALID [2020-07-28 19:02:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:46,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626893711] [2020-07-28 19:02:46,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:46,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:02:46,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358557472] [2020-07-28 19:02:46,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-28 19:02:46,791 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:46,791 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:02:46,827 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 19:02:46,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:02:46,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:46,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:02:46,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:02:46,828 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 6 states. [2020-07-28 19:02:47,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:47,645 INFO L93 Difference]: Finished difference Result 188 states and 279 transitions. [2020-07-28 19:02:47,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:02:47,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-28 19:02:47,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:47,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:02:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2020-07-28 19:02:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:02:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2020-07-28 19:02:47,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 154 transitions. [2020-07-28 19:02:47,849 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:47,853 INFO L225 Difference]: With dead ends: 188 [2020-07-28 19:02:47,854 INFO L226 Difference]: Without dead ends: 146 [2020-07-28 19:02:47,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:02:47,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-28 19:02:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 118. [2020-07-28 19:02:48,070 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:48,070 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 118 states. [2020-07-28 19:02:48,070 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 118 states. [2020-07-28 19:02:48,070 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 118 states. [2020-07-28 19:02:48,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:48,075 INFO L93 Difference]: Finished difference Result 146 states and 208 transitions. [2020-07-28 19:02:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 208 transitions. [2020-07-28 19:02:48,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:48,076 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:48,077 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand 146 states. [2020-07-28 19:02:48,077 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 146 states. [2020-07-28 19:02:48,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:48,083 INFO L93 Difference]: Finished difference Result 146 states and 208 transitions. [2020-07-28 19:02:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 208 transitions. [2020-07-28 19:02:48,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:48,084 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:48,084 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:48,084 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-28 19:02:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 167 transitions. [2020-07-28 19:02:48,089 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 167 transitions. Word has length 23 [2020-07-28 19:02:48,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:48,089 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 167 transitions. [2020-07-28 19:02:48,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:02:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 167 transitions. [2020-07-28 19:02:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:02:48,091 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:48,091 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 19:02:48,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:02:48,091 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:48,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:48,092 INFO L82 PathProgramCache]: Analyzing trace with hash 378913563, now seen corresponding path program 1 times [2020-07-28 19:02:48,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:48,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227247003] [2020-07-28 19:02:48,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:48,148 INFO L280 TraceCheckUtils]: 0: Hoare triple {2263#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,149 INFO L280 TraceCheckUtils]: 1: Hoare triple {2265#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,149 INFO L280 TraceCheckUtils]: 2: Hoare triple {2265#(= 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; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,150 INFO L280 TraceCheckUtils]: 3: Hoare triple {2265#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,151 INFO L280 TraceCheckUtils]: 4: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,151 INFO L280 TraceCheckUtils]: 5: Hoare triple {2265#(= 0 ~pumpRunning~0)} havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,152 INFO L280 TraceCheckUtils]: 6: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume !false; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,153 INFO L280 TraceCheckUtils]: 7: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,153 INFO L280 TraceCheckUtils]: 8: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet29 && test_#t~nondet29 <= 2147483647;test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,154 INFO L280 TraceCheckUtils]: 9: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~1); {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,155 INFO L280 TraceCheckUtils]: 10: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet30 && test_#t~nondet30 <= 2147483647;test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,155 INFO L280 TraceCheckUtils]: 11: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,156 INFO L280 TraceCheckUtils]: 12: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,156 INFO L280 TraceCheckUtils]: 13: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2265#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:48,157 INFO L280 TraceCheckUtils]: 14: Hoare triple {2265#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2264#false} is VALID [2020-07-28 19:02:48,157 INFO L280 TraceCheckUtils]: 15: Hoare triple {2264#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2264#false} is VALID [2020-07-28 19:02:48,158 INFO L280 TraceCheckUtils]: 16: Hoare triple {2264#false} assume 0 != ~systemActive~0; {2264#false} is VALID [2020-07-28 19:02:48,158 INFO L280 TraceCheckUtils]: 17: Hoare triple {2264#false} havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {2264#false} is VALID [2020-07-28 19:02:48,158 INFO L280 TraceCheckUtils]: 18: Hoare triple {2264#false} __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret68 && __utac_acc__Specification4_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; {2264#false} is VALID [2020-07-28 19:02:48,158 INFO L280 TraceCheckUtils]: 19: Hoare triple {2264#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {2264#false} is VALID [2020-07-28 19:02:48,159 INFO L280 TraceCheckUtils]: 20: Hoare triple {2264#false} __utac_acc__Specification4_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret69 && __utac_acc__Specification4_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret69;havoc __utac_acc__Specification4_spec__1_#t~ret69; {2264#false} is VALID [2020-07-28 19:02:48,159 INFO L280 TraceCheckUtils]: 21: Hoare triple {2264#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {2264#false} is VALID [2020-07-28 19:02:48,159 INFO L280 TraceCheckUtils]: 22: Hoare triple {2264#false} assume !false; {2264#false} is VALID [2020-07-28 19:02:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:48,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227247003] [2020-07-28 19:02:48,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:48,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:48,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055851724] [2020-07-28 19:02:48,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-28 19:02:48,162 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:48,162 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:48,216 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 19:02:48,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:48,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:48,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:48,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:48,217 INFO L87 Difference]: Start difference. First operand 118 states and 167 transitions. Second operand 3 states. [2020-07-28 19:02:48,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:48,431 INFO L93 Difference]: Finished difference Result 186 states and 263 transitions. [2020-07-28 19:02:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:48,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-28 19:02:48,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2020-07-28 19:02:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2020-07-28 19:02:48,433 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 67 transitions. [2020-07-28 19:02:48,514 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:48,514 INFO L225 Difference]: With dead ends: 186 [2020-07-28 19:02:48,514 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:02:48,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:48,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:02:48,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:02:48,517 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:48,517 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:48,518 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:48,518 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:48,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:48,518 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:02:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:02:48,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:48,519 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:48,519 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:48,519 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:48,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:48,520 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:02:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:02:48,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:48,521 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:48,521 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:48,521 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:02:48,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:02:48,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-07-28 19:02:48,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:48,522 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:02:48,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:02:48,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:48,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:02:48,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:02:49,250 INFO L264 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:02:49,250 INFO L264 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2020-07-28 19:02:49,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2020-07-28 19:02:49,251 INFO L264 CegarLoopResult]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2020-07-28 19:02:49,251 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2020-07-28 19:02:49,251 INFO L268 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-07-28 19:02:49,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:02:49,251 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-28 19:02:49,251 INFO L264 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 19:02:49,251 INFO L264 CegarLoopResult]: At program point L335(lines 330 338) the Hoare annotation is: false [2020-07-28 19:02:49,252 INFO L264 CegarLoopResult]: At program point L335-1(lines 330 338) the Hoare annotation is: false [2020-07-28 19:02:49,252 INFO L264 CegarLoopResult]: At program point L335-2(lines 330 338) the Hoare annotation is: false [2020-07-28 19:02:49,252 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-07-28 19:02:49,252 INFO L264 CegarLoopResult]: At program point L419-1(lines 419 425) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 .cse1 (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse4 .cse3))) [2020-07-28 19:02:49,252 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-28 19:02:49,252 INFO L268 CegarLoopResult]: For program point L56-1(lines 276 282) no Hoare annotation was computed. [2020-07-28 19:02:49,252 INFO L271 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2020-07-28 19:02:49,252 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-28 19:02:49,253 INFO L268 CegarLoopResult]: For program point L189-3(lines 189 193) no Hoare annotation was computed. [2020-07-28 19:02:49,253 INFO L268 CegarLoopResult]: For program point L189-6(lines 189 193) no Hoare annotation was computed. [2020-07-28 19:02:49,253 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:02:49,253 INFO L268 CegarLoopResult]: For program point L851(lines 851 864) no Hoare annotation was computed. [2020-07-28 19:02:49,253 INFO L264 CegarLoopResult]: At program point L851-1(lines 1 867) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 .cse1 (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse4 .cse3))) [2020-07-28 19:02:49,253 INFO L268 CegarLoopResult]: For program point L851-2(lines 851 864) no Hoare annotation was computed. [2020-07-28 19:02:49,254 INFO L264 CegarLoopResult]: At program point L851-3(lines 1 867) the Hoare annotation is: false [2020-07-28 19:02:49,254 INFO L268 CegarLoopResult]: For program point L851-4(lines 851 864) no Hoare annotation was computed. [2020-07-28 19:02:49,254 INFO L264 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:02:49,254 INFO L264 CegarLoopResult]: At program point L851-5(lines 1 867) the Hoare annotation is: false [2020-07-28 19:02:49,254 INFO L268 CegarLoopResult]: For program point L439(lines 439 454) no Hoare annotation was computed. [2020-07-28 19:02:49,254 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2020-07-28 19:02:49,254 INFO L264 CegarLoopResult]: At program point L258(lines 253 261) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:02:49,254 INFO L264 CegarLoopResult]: At program point L258-1(lines 253 261) the Hoare annotation is: false [2020-07-28 19:02:49,254 INFO L264 CegarLoopResult]: At program point L258-2(lines 253 261) the Hoare annotation is: false [2020-07-28 19:02:49,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:02:49,255 INFO L264 CegarLoopResult]: At program point L276(lines 275 294) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:02:49,255 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-07-28 19:02:49,255 INFO L264 CegarLoopResult]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2020-07-28 19:02:49,255 INFO L264 CegarLoopResult]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2020-07-28 19:02:49,255 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-28 19:02:49,255 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L838-2(line 838) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L264 CegarLoopResult]: At program point L459(lines 408 460) the Hoare annotation is: false [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L410(lines 409 458) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L271 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L213(lines 213 217) no Hoare annotation was computed. [2020-07-28 19:02:49,256 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:02:49,257 INFO L268 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-07-28 19:02:49,257 INFO L264 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:02:49,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2020-07-28 19:02:49,257 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-07-28 19:02:49,257 INFO L264 CegarLoopResult]: At program point L429-1(lines 429 435) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 .cse1 (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse4 .cse3))) [2020-07-28 19:02:49,257 INFO L264 CegarLoopResult]: At program point L166(lines 1 867) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:02:49,258 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-07-28 19:02:49,258 INFO L264 CegarLoopResult]: At program point L447-1(lines 276 282) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:02:49,261 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:02:49,261 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:02:49,262 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:02:49,262 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:02:49,263 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:02:49,264 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:02:49,264 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:49,264 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2020-07-28 19:02:49,264 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:02:49,264 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:02:49,264 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:49,264 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L189-3 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L189-3 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L851-2 has no Hoare annotation [2020-07-28 19:02:49,265 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L851-2 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L851-2 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L855-2 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L855-2 has no Hoare annotation [2020-07-28 19:02:49,266 WARN L170 areAnnotationChecker]: L855-2 has no Hoare annotation [2020-07-28 19:02:49,267 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:02:49,267 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:02:49,268 WARN L170 areAnnotationChecker]: L447 has no Hoare annotation [2020-07-28 19:02:49,268 WARN L170 areAnnotationChecker]: L447 has no Hoare annotation [2020-07-28 19:02:49,268 WARN L170 areAnnotationChecker]: L838-1 has no Hoare annotation [2020-07-28 19:02:49,268 WARN L170 areAnnotationChecker]: L838-1 has no Hoare annotation [2020-07-28 19:02:49,268 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:02:49,268 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:02:49,268 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:02:49,269 WARN L170 areAnnotationChecker]: L379 has no Hoare annotation [2020-07-28 19:02:49,269 WARN L170 areAnnotationChecker]: L379 has no Hoare annotation [2020-07-28 19:02:49,269 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:02:49,269 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:02:49,270 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:02:49,270 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:02:49,270 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-28 19:02:49,270 WARN L170 areAnnotationChecker]: L189-6 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L189-6 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L851-4 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L851-4 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L851-4 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L838 has no Hoare annotation [2020-07-28 19:02:49,271 WARN L170 areAnnotationChecker]: L838 has no Hoare annotation [2020-07-28 19:02:49,272 WARN L170 areAnnotationChecker]: L855-4 has no Hoare annotation [2020-07-28 19:02:49,272 WARN L170 areAnnotationChecker]: L855-4 has no Hoare annotation [2020-07-28 19:02:49,272 WARN L170 areAnnotationChecker]: L855-4 has no Hoare annotation [2020-07-28 19:02:49,272 WARN L170 areAnnotationChecker]: L838-2 has no Hoare annotation [2020-07-28 19:02:49,272 WARN L170 areAnnotationChecker]: L838-2 has no Hoare annotation [2020-07-28 19:02:49,272 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:02:49,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:02:49 BoogieIcfgContainer [2020-07-28 19:02:49,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:02:49,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:02:49,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:02:49,298 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:02:49,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:42" (3/4) ... [2020-07-28 19:02:49,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:02:49,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:02:49,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:02:49,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:02:49,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:02:49,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:02:49,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:02:49,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:02:49,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel [2020-07-28 19:02:49,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp [2020-07-28 19:02:49,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 2 <= tmp) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) || ((((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 1 == tmp) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:49,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 1 == tmp) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:49,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 1 == tmp) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:49,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:49,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:49,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:49,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:49,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) || (((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:49,423 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:02:49,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:02:49,426 INFO L168 Benchmark]: Toolchain (without parser) took 8632.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.6 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -109.7 MB). Peak memory consumption was 182.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:49,427 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:49,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:49,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:49,429 INFO L168 Benchmark]: Boogie Preprocessor took 80.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:49,429 INFO L168 Benchmark]: RCFGBuilder took 1331.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.0 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:49,430 INFO L168 Benchmark]: TraceAbstraction took 6335.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 151.0 MB). Free memory was 987.0 MB in the beginning and 1.1 GB in the end (delta: -85.2 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:49,430 INFO L168 Benchmark]: Witness Printer took 126.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:49,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.27 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. * RCFGBuilder took 1331.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.0 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6335.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 151.0 MB). Free memory was 987.0 MB in the beginning and 1.1 GB in the end (delta: -85.2 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * Witness Printer took 126.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 838]: 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: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 1 == tmp) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 1 == tmp) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 2 <= tmp) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) || ((((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 1 == tmp) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) || (((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 318 SDtfs, 418 SDslu, 339 SDs, 0 SdLazy, 81 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 75 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 58 NumberOfFragments, 411 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1031 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 244 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 4813 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...