./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product51.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_product51.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 82fb1dfaeb04705f6833d1531288fda63f898d4b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:03:52,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:52,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:52,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:52,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:52,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:52,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:52,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:52,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:52,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:52,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:52,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:52,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:52,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:52,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:52,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:52,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:52,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:52,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:52,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:52,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:52,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:52,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:52,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:52,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:52,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:52,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:52,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:52,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:52,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:52,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:52,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:52,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:52,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:52,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:52,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:52,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:52,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:52,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:52,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:52,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:52,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:52,347 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:52,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:52,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:52,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:52,350 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:52,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:52,350 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:52,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:52,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:52,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:52,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:52,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:52,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:52,353 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:52,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:52,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:52,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:52,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:52,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:52,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:52,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:52,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:52,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:52,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:52,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:52,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:52,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:52,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:52,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:52,356 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 -> 82fb1dfaeb04705f6833d1531288fda63f898d4b [2020-07-28 19:03:52,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:52,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:52,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:52,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:52,679 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:52,680 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-07-28 19:03:52,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57296a23e/185752e93f614b32af018c8ea9eea655/FLAG87a1b5549 [2020-07-28 19:03:53,312 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:53,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-07-28 19:03:53,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57296a23e/185752e93f614b32af018c8ea9eea655/FLAG87a1b5549 [2020-07-28 19:03:53,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57296a23e/185752e93f614b32af018c8ea9eea655 [2020-07-28 19:03:53,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:53,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:53,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:53,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:53,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:53,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:53" (1/1) ... [2020-07-28 19:03:53,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e36648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:53, skipping insertion in model container [2020-07-28 19:03:53,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:53" (1/1) ... [2020-07-28 19:03:53,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:53,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:54,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:54,169 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:54,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:54,351 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:54,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54 WrapperNode [2020-07-28 19:03:54,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:54,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:54,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:54,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:54,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:54,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:54,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:54,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:54,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... [2020-07-28 19:03:54,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:54,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:54,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:54,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:54,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:54,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:56,229 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:56,230 INFO L295 CfgBuilder]: Removed 160 assume(true) statements. [2020-07-28 19:03:56,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:56 BoogieIcfgContainer [2020-07-28 19:03:56,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:56,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:56,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:56,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:56,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:53" (1/3) ... [2020-07-28 19:03:56,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371d97e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:56, skipping insertion in model container [2020-07-28 19:03:56,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:54" (2/3) ... [2020-07-28 19:03:56,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371d97e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:56, skipping insertion in model container [2020-07-28 19:03:56,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:56" (3/3) ... [2020-07-28 19:03:56,245 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2020-07-28 19:03:56,256 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:56,264 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:56,279 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:56,307 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:56,308 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:56,308 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:56,308 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:56,309 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:56,309 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:56,309 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:56,310 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:56,331 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-07-28 19:03:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:56,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:56,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:56,342 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:56,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:56,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1844308238, now seen corresponding path program 1 times [2020-07-28 19:03:56,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:56,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611971989] [2020-07-28 19:03:56,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:56,767 INFO L280 TraceCheckUtils]: 0: Hoare triple {122#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {122#true} is VALID [2020-07-28 19:03:56,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {122#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {122#true} is VALID [2020-07-28 19:03:56,769 INFO L280 TraceCheckUtils]: 2: Hoare triple {122#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {122#true} is VALID [2020-07-28 19:03:56,769 INFO L280 TraceCheckUtils]: 3: Hoare triple {122#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; {122#true} is VALID [2020-07-28 19:03:56,770 INFO L280 TraceCheckUtils]: 4: Hoare triple {122#true} assume 0 != main_~tmp~0; {122#true} is VALID [2020-07-28 19:03:56,770 INFO L280 TraceCheckUtils]: 5: Hoare triple {122#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {122#true} is VALID [2020-07-28 19:03:56,772 INFO L280 TraceCheckUtils]: 6: Hoare triple {122#true} assume !true; {123#false} is VALID [2020-07-28 19:03:56,772 INFO L280 TraceCheckUtils]: 7: Hoare triple {123#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {123#false} is VALID [2020-07-28 19:03:56,773 INFO L280 TraceCheckUtils]: 8: Hoare triple {123#false} assume !(0 != ~pumpRunning~0); {123#false} is VALID [2020-07-28 19:03:56,773 INFO L280 TraceCheckUtils]: 9: Hoare triple {123#false} assume !(0 != ~systemActive~0); {123#false} is VALID [2020-07-28 19:03:56,773 INFO L280 TraceCheckUtils]: 10: Hoare triple {123#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {123#false} is VALID [2020-07-28 19:03:56,774 INFO L280 TraceCheckUtils]: 11: Hoare triple {123#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {123#false} is VALID [2020-07-28 19:03:56,774 INFO L280 TraceCheckUtils]: 12: Hoare triple {123#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {123#false} is VALID [2020-07-28 19:03:56,775 INFO L280 TraceCheckUtils]: 13: Hoare triple {123#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {123#false} is VALID [2020-07-28 19:03:56,775 INFO L280 TraceCheckUtils]: 14: Hoare triple {123#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {123#false} is VALID [2020-07-28 19:03:56,776 INFO L280 TraceCheckUtils]: 15: Hoare triple {123#false} assume !false; {123#false} is VALID [2020-07-28 19:03:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:56,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611971989] [2020-07-28 19:03:56,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:56,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:56,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741379671] [2020-07-28 19:03:56,790 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:56,791 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:56,796 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:56,838 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:56,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:56,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:56,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:56,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:56,851 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-07-28 19:03:57,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,197 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2020-07-28 19:03:57,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:57,198 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 353 transitions. [2020-07-28 19:03:57,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 353 transitions. [2020-07-28 19:03:57,222 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 353 transitions. [2020-07-28 19:03:57,645 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:57,663 INFO L225 Difference]: With dead ends: 232 [2020-07-28 19:03:57,663 INFO L226 Difference]: Without dead ends: 115 [2020-07-28 19:03:57,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:57,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-28 19:03:57,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-07-28 19:03:57,770 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:57,771 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,772 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,772 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,781 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 19:03:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 19:03:57,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:57,784 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:57,784 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,784 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 115 states. [2020-07-28 19:03:57,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:57,792 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 19:03:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 19:03:57,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:57,794 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:57,794 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:57,794 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-28 19:03:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-07-28 19:03:57,803 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-07-28 19:03:57,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:57,804 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-07-28 19:03:57,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 19:03:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:57,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:57,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:57,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:57,807 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:57,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:57,807 INFO L82 PathProgramCache]: Analyzing trace with hash -323074868, now seen corresponding path program 1 times [2020-07-28 19:03:57,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:57,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907946075] [2020-07-28 19:03:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:57,946 INFO L280 TraceCheckUtils]: 0: Hoare triple {830#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {830#true} is VALID [2020-07-28 19:03:57,946 INFO L280 TraceCheckUtils]: 1: Hoare triple {830#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {830#true} is VALID [2020-07-28 19:03:57,947 INFO L280 TraceCheckUtils]: 2: Hoare triple {830#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {830#true} is VALID [2020-07-28 19:03:57,947 INFO L280 TraceCheckUtils]: 3: Hoare triple {830#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; {830#true} is VALID [2020-07-28 19:03:57,947 INFO L280 TraceCheckUtils]: 4: Hoare triple {830#true} assume 0 != main_~tmp~0; {830#true} is VALID [2020-07-28 19:03:57,949 INFO L280 TraceCheckUtils]: 5: Hoare triple {830#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:57,950 INFO L280 TraceCheckUtils]: 6: Hoare triple {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:57,951 INFO L280 TraceCheckUtils]: 7: Hoare triple {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {831#false} is VALID [2020-07-28 19:03:57,952 INFO L280 TraceCheckUtils]: 8: Hoare triple {831#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {831#false} is VALID [2020-07-28 19:03:57,952 INFO L280 TraceCheckUtils]: 9: Hoare triple {831#false} assume !(0 != ~pumpRunning~0); {831#false} is VALID [2020-07-28 19:03:57,953 INFO L280 TraceCheckUtils]: 10: Hoare triple {831#false} assume !(0 != ~systemActive~0); {831#false} is VALID [2020-07-28 19:03:57,953 INFO L280 TraceCheckUtils]: 11: Hoare triple {831#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {831#false} is VALID [2020-07-28 19:03:57,953 INFO L280 TraceCheckUtils]: 12: Hoare triple {831#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {831#false} is VALID [2020-07-28 19:03:57,953 INFO L280 TraceCheckUtils]: 13: Hoare triple {831#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {831#false} is VALID [2020-07-28 19:03:57,954 INFO L280 TraceCheckUtils]: 14: Hoare triple {831#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {831#false} is VALID [2020-07-28 19:03:57,954 INFO L280 TraceCheckUtils]: 15: Hoare triple {831#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {831#false} is VALID [2020-07-28 19:03:57,954 INFO L280 TraceCheckUtils]: 16: Hoare triple {831#false} assume !false; {831#false} is VALID [2020-07-28 19:03:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:57,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907946075] [2020-07-28 19:03:57,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:57,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:57,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324730349] [2020-07-28 19:03:57,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:57,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:57,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:57,991 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:57,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:57,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:57,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:57,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:57,992 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2020-07-28 19:03:58,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,303 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 19:03:58,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:58,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:58,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:58,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 19:03:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 19:03:58,310 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 168 transitions. [2020-07-28 19:03:58,515 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:58,517 INFO L225 Difference]: With dead ends: 115 [2020-07-28 19:03:58,517 INFO L226 Difference]: Without dead ends: 49 [2020-07-28 19:03:58,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-07-28 19:03:58,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-07-28 19:03:58,543 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:58,544 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,544 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,544 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,547 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2020-07-28 19:03:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:03:58,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:58,548 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:58,548 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,548 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 19:03:58,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:58,551 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2020-07-28 19:03:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:03:58,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:58,552 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:58,552 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:58,552 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-28 19:03:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-07-28 19:03:58,555 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-07-28 19:03:58,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:58,556 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-07-28 19:03:58,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 19:03:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:58,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:58,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:58,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:58,558 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:58,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:58,558 INFO L82 PathProgramCache]: Analyzing trace with hash -426243093, now seen corresponding path program 1 times [2020-07-28 19:03:58,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:58,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633050225] [2020-07-28 19:03:58,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:58,701 INFO L280 TraceCheckUtils]: 0: Hoare triple {1157#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:58,702 INFO L280 TraceCheckUtils]: 1: Hoare triple {1159#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:58,703 INFO L280 TraceCheckUtils]: 2: Hoare triple {1159#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1160#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:03:58,704 INFO L280 TraceCheckUtils]: 3: Hoare triple {1160#(= |ULTIMATE.start_valid_product_#res| ~systemActive~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; {1161#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} is VALID [2020-07-28 19:03:58,704 INFO L280 TraceCheckUtils]: 4: Hoare triple {1161#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} assume 0 != main_~tmp~0; {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,705 INFO L280 TraceCheckUtils]: 5: Hoare triple {1162#(not (= 0 ~systemActive~0))} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,706 INFO L280 TraceCheckUtils]: 6: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume !false; {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,707 INFO L280 TraceCheckUtils]: 7: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,707 INFO L280 TraceCheckUtils]: 8: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,708 INFO L280 TraceCheckUtils]: 9: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~6); {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,709 INFO L280 TraceCheckUtils]: 10: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,710 INFO L280 TraceCheckUtils]: 11: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~3); {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,710 INFO L280 TraceCheckUtils]: 12: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,712 INFO L280 TraceCheckUtils]: 13: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,714 INFO L280 TraceCheckUtils]: 14: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1162#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:58,715 INFO L280 TraceCheckUtils]: 15: Hoare triple {1162#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1158#false} is VALID [2020-07-28 19:03:58,716 INFO L280 TraceCheckUtils]: 16: Hoare triple {1158#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1158#false} is VALID [2020-07-28 19:03:58,716 INFO L280 TraceCheckUtils]: 17: Hoare triple {1158#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {1158#false} is VALID [2020-07-28 19:03:58,717 INFO L280 TraceCheckUtils]: 18: Hoare triple {1158#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1158#false} is VALID [2020-07-28 19:03:58,717 INFO L280 TraceCheckUtils]: 19: Hoare triple {1158#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {1158#false} is VALID [2020-07-28 19:03:58,717 INFO L280 TraceCheckUtils]: 20: Hoare triple {1158#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1158#false} is VALID [2020-07-28 19:03:58,717 INFO L280 TraceCheckUtils]: 21: Hoare triple {1158#false} assume !false; {1158#false} is VALID [2020-07-28 19:03:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:58,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633050225] [2020-07-28 19:03:58,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:58,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:58,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529500513] [2020-07-28 19:03:58,722 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:03:58,722 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:58,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:58,760 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:58,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:58,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:58,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:58,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:58,762 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 6 states. [2020-07-28 19:03:59,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:59,512 INFO L93 Difference]: Finished difference Result 158 states and 235 transitions. [2020-07-28 19:03:59,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:59,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:03:59,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 235 transitions. [2020-07-28 19:03:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 235 transitions. [2020-07-28 19:03:59,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 235 transitions. [2020-07-28 19:03:59,790 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 235 edges. 235 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:59,794 INFO L225 Difference]: With dead ends: 158 [2020-07-28 19:03:59,794 INFO L226 Difference]: Without dead ends: 115 [2020-07-28 19:03:59,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:03:59,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-28 19:03:59,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 68. [2020-07-28 19:03:59,880 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:59,880 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 68 states. [2020-07-28 19:03:59,880 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 68 states. [2020-07-28 19:03:59,881 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 68 states. [2020-07-28 19:03:59,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:59,885 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 19:03:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 19:03:59,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:59,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:59,887 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 115 states. [2020-07-28 19:03:59,887 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 115 states. [2020-07-28 19:03:59,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:59,892 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 19:03:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 19:03:59,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:59,893 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:59,893 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:59,894 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-28 19:03:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2020-07-28 19:03:59,897 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2020-07-28 19:03:59,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:59,897 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2020-07-28 19:03:59,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2020-07-28 19:03:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:59,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:59,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:59,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:59,899 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:59,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:59,900 INFO L82 PathProgramCache]: Analyzing trace with hash 844046893, now seen corresponding path program 1 times [2020-07-28 19:03:59,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:59,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656435936] [2020-07-28 19:03:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:59,970 INFO L280 TraceCheckUtils]: 0: Hoare triple {1708#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,971 INFO L280 TraceCheckUtils]: 1: Hoare triple {1710#(= 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; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,972 INFO L280 TraceCheckUtils]: 2: Hoare triple {1710#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,972 INFO L280 TraceCheckUtils]: 3: Hoare triple {1710#(= 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; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,973 INFO L280 TraceCheckUtils]: 4: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,973 INFO L280 TraceCheckUtils]: 5: Hoare triple {1710#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,975 INFO L280 TraceCheckUtils]: 6: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume !false; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,976 INFO L280 TraceCheckUtils]: 7: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,977 INFO L280 TraceCheckUtils]: 8: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,977 INFO L280 TraceCheckUtils]: 9: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,978 INFO L280 TraceCheckUtils]: 10: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,978 INFO L280 TraceCheckUtils]: 11: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,979 INFO L280 TraceCheckUtils]: 12: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,979 INFO L280 TraceCheckUtils]: 13: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,980 INFO L280 TraceCheckUtils]: 14: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,980 INFO L280 TraceCheckUtils]: 15: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,981 INFO L280 TraceCheckUtils]: 16: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {1710#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:59,981 INFO L280 TraceCheckUtils]: 17: Hoare triple {1710#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1709#false} is VALID [2020-07-28 19:03:59,981 INFO L280 TraceCheckUtils]: 18: Hoare triple {1709#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1709#false} is VALID [2020-07-28 19:03:59,982 INFO L280 TraceCheckUtils]: 19: Hoare triple {1709#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {1709#false} is VALID [2020-07-28 19:03:59,982 INFO L280 TraceCheckUtils]: 20: Hoare triple {1709#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1709#false} is VALID [2020-07-28 19:03:59,982 INFO L280 TraceCheckUtils]: 21: Hoare triple {1709#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {1709#false} is VALID [2020-07-28 19:03:59,982 INFO L280 TraceCheckUtils]: 22: Hoare triple {1709#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1709#false} is VALID [2020-07-28 19:03:59,982 INFO L280 TraceCheckUtils]: 23: Hoare triple {1709#false} assume !false; {1709#false} is VALID [2020-07-28 19:03:59,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:59,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656435936] [2020-07-28 19:03:59,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:59,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:59,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767939730] [2020-07-28 19:03:59,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:59,985 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:59,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:00,017 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:00,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:00,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:00,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:00,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:00,019 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 3 states. [2020-07-28 19:04:00,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:00,279 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-07-28 19:04:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:00,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:04:00,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 19:04:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 19:04:00,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 168 transitions. [2020-07-28 19:04:00,495 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:00,497 INFO L225 Difference]: With dead ends: 151 [2020-07-28 19:04:00,497 INFO L226 Difference]: Without dead ends: 89 [2020-07-28 19:04:00,498 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 19:04:00,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-28 19:04:00,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-07-28 19:04:00,614 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:00,615 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand 87 states. [2020-07-28 19:04:00,615 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand 87 states. [2020-07-28 19:04:00,615 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 87 states. [2020-07-28 19:04:00,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:00,619 INFO L93 Difference]: Finished difference Result 89 states and 125 transitions. [2020-07-28 19:04:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2020-07-28 19:04:00,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:00,620 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:00,620 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 89 states. [2020-07-28 19:04:00,620 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 89 states. [2020-07-28 19:04:00,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:00,624 INFO L93 Difference]: Finished difference Result 89 states and 125 transitions. [2020-07-28 19:04:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2020-07-28 19:04:00,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:00,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:00,625 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:00,626 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-28 19:04:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2020-07-28 19:04:00,629 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2020-07-28 19:04:00,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:00,630 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2020-07-28 19:04:00,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:00,631 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2020-07-28 19:04:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:04:00,631 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:00,632 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, 1, 1, 1] [2020-07-28 19:04:00,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:04:00,632 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:00,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:00,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1604149312, now seen corresponding path program 1 times [2020-07-28 19:04:00,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:00,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956519382] [2020-07-28 19:04:00,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:00,746 INFO L280 TraceCheckUtils]: 0: Hoare triple {2220#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,748 INFO L280 TraceCheckUtils]: 1: Hoare triple {2222#(= 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; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,749 INFO L280 TraceCheckUtils]: 2: Hoare triple {2222#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,750 INFO L280 TraceCheckUtils]: 3: Hoare triple {2222#(= 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; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,750 INFO L280 TraceCheckUtils]: 4: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,751 INFO L280 TraceCheckUtils]: 5: Hoare triple {2222#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,751 INFO L280 TraceCheckUtils]: 6: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume !false; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,752 INFO L280 TraceCheckUtils]: 7: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,753 INFO L280 TraceCheckUtils]: 8: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,753 INFO L280 TraceCheckUtils]: 9: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,754 INFO L280 TraceCheckUtils]: 10: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,756 INFO L280 TraceCheckUtils]: 11: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,758 INFO L280 TraceCheckUtils]: 12: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,759 INFO L280 TraceCheckUtils]: 13: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___1~0 := test_#t~nondet38;havoc test_#t~nondet38; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,764 INFO L280 TraceCheckUtils]: 14: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,765 INFO L280 TraceCheckUtils]: 15: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,765 INFO L280 TraceCheckUtils]: 16: Hoare triple {2222#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,766 INFO L280 TraceCheckUtils]: 17: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,766 INFO L280 TraceCheckUtils]: 18: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,767 INFO L280 TraceCheckUtils]: 19: Hoare triple {2222#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,767 INFO L280 TraceCheckUtils]: 20: Hoare triple {2222#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {2222#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:00,768 INFO L280 TraceCheckUtils]: 21: Hoare triple {2222#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {2223#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:04:00,769 INFO L280 TraceCheckUtils]: 22: Hoare triple {2223#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {2224#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} is VALID [2020-07-28 19:04:00,769 INFO L280 TraceCheckUtils]: 23: Hoare triple {2224#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {2221#false} is VALID [2020-07-28 19:04:00,770 INFO L280 TraceCheckUtils]: 24: Hoare triple {2221#false} assume !false; {2221#false} is VALID [2020-07-28 19:04:00,771 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 19:04:00,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956519382] [2020-07-28 19:04:00,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:00,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:00,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300242668] [2020-07-28 19:04:00,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:04:00,773 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:00,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:00,813 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:00,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:00,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:00,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:00,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:00,815 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 5 states. [2020-07-28 19:04:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:01,936 INFO L93 Difference]: Finished difference Result 244 states and 351 transitions. [2020-07-28 19:04:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:01,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:04:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 280 transitions. [2020-07-28 19:04:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 280 transitions. [2020-07-28 19:04:01,945 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 280 transitions. [2020-07-28 19:04:02,276 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 280 edges. 280 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:02,281 INFO L225 Difference]: With dead ends: 244 [2020-07-28 19:04:02,281 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 19:04:02,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:02,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 19:04:02,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 87. [2020-07-28 19:04:02,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:02,402 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 87 states. [2020-07-28 19:04:02,402 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 87 states. [2020-07-28 19:04:02,402 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 87 states. [2020-07-28 19:04:02,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:02,412 INFO L93 Difference]: Finished difference Result 242 states and 348 transitions. [2020-07-28 19:04:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 348 transitions. [2020-07-28 19:04:02,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:02,413 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:02,414 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 242 states. [2020-07-28 19:04:02,414 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 242 states. [2020-07-28 19:04:02,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:02,423 INFO L93 Difference]: Finished difference Result 242 states and 348 transitions. [2020-07-28 19:04:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 348 transitions. [2020-07-28 19:04:02,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:02,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:02,424 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:02,424 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-28 19:04:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-07-28 19:04:02,428 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2020-07-28 19:04:02,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:02,428 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-07-28 19:04:02,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-07-28 19:04:02,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 19:04:02,430 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:02,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:02,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:04:02,431 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:02,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:02,431 INFO L82 PathProgramCache]: Analyzing trace with hash 459683038, now seen corresponding path program 1 times [2020-07-28 19:04:02,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:02,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085504325] [2020-07-28 19:04:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:02,520 INFO L280 TraceCheckUtils]: 0: Hoare triple {3180#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {3180#true} is VALID [2020-07-28 19:04:02,520 INFO L280 TraceCheckUtils]: 1: Hoare triple {3180#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {3180#true} is VALID [2020-07-28 19:04:02,521 INFO L280 TraceCheckUtils]: 2: Hoare triple {3180#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {3180#true} is VALID [2020-07-28 19:04:02,521 INFO L280 TraceCheckUtils]: 3: Hoare triple {3180#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; {3180#true} is VALID [2020-07-28 19:04:02,521 INFO L280 TraceCheckUtils]: 4: Hoare triple {3180#true} assume 0 != main_~tmp~0; {3180#true} is VALID [2020-07-28 19:04:02,522 INFO L280 TraceCheckUtils]: 5: Hoare triple {3180#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3180#true} is VALID [2020-07-28 19:04:02,522 INFO L280 TraceCheckUtils]: 6: Hoare triple {3180#true} assume !false; {3180#true} is VALID [2020-07-28 19:04:02,522 INFO L280 TraceCheckUtils]: 7: Hoare triple {3180#true} assume test_~splverifierCounter~0 < 4; {3180#true} is VALID [2020-07-28 19:04:02,522 INFO L280 TraceCheckUtils]: 8: Hoare triple {3180#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {3180#true} is VALID [2020-07-28 19:04:02,523 INFO L280 TraceCheckUtils]: 9: Hoare triple {3180#true} assume !(0 != test_~tmp~6); {3180#true} is VALID [2020-07-28 19:04:02,523 INFO L280 TraceCheckUtils]: 10: Hoare triple {3180#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {3180#true} is VALID [2020-07-28 19:04:02,523 INFO L280 TraceCheckUtils]: 11: Hoare triple {3180#true} assume !(0 != test_~tmp___0~3); {3180#true} is VALID [2020-07-28 19:04:02,524 INFO L280 TraceCheckUtils]: 12: Hoare triple {3180#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {3180#true} is VALID [2020-07-28 19:04:02,524 INFO L280 TraceCheckUtils]: 13: Hoare triple {3180#true} assume 0 != test_~tmp___2~0; {3180#true} is VALID [2020-07-28 19:04:02,525 INFO L280 TraceCheckUtils]: 14: Hoare triple {3180#true} assume !(0 != ~pumpRunning~0); {3180#true} is VALID [2020-07-28 19:04:02,525 INFO L280 TraceCheckUtils]: 15: Hoare triple {3180#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {3180#true} is VALID [2020-07-28 19:04:02,525 INFO L280 TraceCheckUtils]: 16: Hoare triple {3180#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {3180#true} is VALID [2020-07-28 19:04:02,525 INFO L280 TraceCheckUtils]: 17: Hoare triple {3180#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; {3180#true} is VALID [2020-07-28 19:04:02,526 INFO L280 TraceCheckUtils]: 18: Hoare triple {3180#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; {3180#true} is VALID [2020-07-28 19:04:02,526 INFO L280 TraceCheckUtils]: 19: Hoare triple {3180#true} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {3180#true} is VALID [2020-07-28 19:04:02,528 INFO L280 TraceCheckUtils]: 20: Hoare triple {3180#true} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; {3182#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:04:02,529 INFO L280 TraceCheckUtils]: 21: Hoare triple {3182#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {3183#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:04:02,530 INFO L280 TraceCheckUtils]: 22: Hoare triple {3183#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {3184#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)} is VALID [2020-07-28 19:04:02,531 INFO L280 TraceCheckUtils]: 23: Hoare triple {3184#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {3181#false} is VALID [2020-07-28 19:04:02,532 INFO L280 TraceCheckUtils]: 24: Hoare triple {3181#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {3181#false} is VALID [2020-07-28 19:04:02,532 INFO L280 TraceCheckUtils]: 25: Hoare triple {3181#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {3181#false} is VALID [2020-07-28 19:04:02,532 INFO L280 TraceCheckUtils]: 26: Hoare triple {3181#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {3181#false} is VALID [2020-07-28 19:04:02,532 INFO L280 TraceCheckUtils]: 27: Hoare triple {3181#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {3181#false} is VALID [2020-07-28 19:04:02,533 INFO L280 TraceCheckUtils]: 28: Hoare triple {3181#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {3181#false} is VALID [2020-07-28 19:04:02,533 INFO L280 TraceCheckUtils]: 29: Hoare triple {3181#false} assume !false; {3181#false} is VALID [2020-07-28 19:04:02,534 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 19:04:02,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085504325] [2020-07-28 19:04:02,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:02,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:02,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565353107] [2020-07-28 19:04:02,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 19:04:02,537 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:02,537 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:02,587 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:02,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:02,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:02,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:02,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:02,588 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2020-07-28 19:04:03,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:03,428 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2020-07-28 19:04:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:03,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 19:04:03,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 201 transitions. [2020-07-28 19:04:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 201 transitions. [2020-07-28 19:04:03,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 201 transitions. [2020-07-28 19:04:03,664 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:03,667 INFO L225 Difference]: With dead ends: 253 [2020-07-28 19:04:03,668 INFO L226 Difference]: Without dead ends: 172 [2020-07-28 19:04:03,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:03,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-28 19:04:03,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 93. [2020-07-28 19:04:03,834 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:03,834 INFO L82 GeneralOperation]: Start isEquivalent. First operand 172 states. Second operand 93 states. [2020-07-28 19:04:03,835 INFO L74 IsIncluded]: Start isIncluded. First operand 172 states. Second operand 93 states. [2020-07-28 19:04:03,835 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 93 states. [2020-07-28 19:04:03,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:03,849 INFO L93 Difference]: Finished difference Result 172 states and 237 transitions. [2020-07-28 19:04:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 237 transitions. [2020-07-28 19:04:03,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:03,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:03,850 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 172 states. [2020-07-28 19:04:03,850 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 172 states. [2020-07-28 19:04:03,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:03,862 INFO L93 Difference]: Finished difference Result 172 states and 237 transitions. [2020-07-28 19:04:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 237 transitions. [2020-07-28 19:04:03,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:03,865 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:03,865 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:03,866 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:03,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-28 19:04:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 128 transitions. [2020-07-28 19:04:03,870 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 128 transitions. Word has length 30 [2020-07-28 19:04:03,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:03,870 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 128 transitions. [2020-07-28 19:04:03,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 128 transitions. [2020-07-28 19:04:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 19:04:03,873 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:03,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:03,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:04:03,874 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:03,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:03,874 INFO L82 PathProgramCache]: Analyzing trace with hash 66656028, now seen corresponding path program 1 times [2020-07-28 19:04:03,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:03,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881364569] [2020-07-28 19:04:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:04,002 INFO L280 TraceCheckUtils]: 0: Hoare triple {4020#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {4020#true} is VALID [2020-07-28 19:04:04,003 INFO L280 TraceCheckUtils]: 1: Hoare triple {4020#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {4020#true} is VALID [2020-07-28 19:04:04,003 INFO L280 TraceCheckUtils]: 2: Hoare triple {4020#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {4022#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:04:04,004 INFO L280 TraceCheckUtils]: 3: Hoare triple {4022#(= 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; {4023#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 19:04:04,005 INFO L280 TraceCheckUtils]: 4: Hoare triple {4023#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {4020#true} is VALID [2020-07-28 19:04:04,005 INFO L280 TraceCheckUtils]: 5: Hoare triple {4020#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4020#true} is VALID [2020-07-28 19:04:04,006 INFO L280 TraceCheckUtils]: 6: Hoare triple {4020#true} assume !false; {4020#true} is VALID [2020-07-28 19:04:04,006 INFO L280 TraceCheckUtils]: 7: Hoare triple {4020#true} assume test_~splverifierCounter~0 < 4; {4020#true} is VALID [2020-07-28 19:04:04,006 INFO L280 TraceCheckUtils]: 8: Hoare triple {4020#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {4020#true} is VALID [2020-07-28 19:04:04,006 INFO L280 TraceCheckUtils]: 9: Hoare triple {4020#true} assume !(0 != test_~tmp~6); {4020#true} is VALID [2020-07-28 19:04:04,007 INFO L280 TraceCheckUtils]: 10: Hoare triple {4020#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {4020#true} is VALID [2020-07-28 19:04:04,007 INFO L280 TraceCheckUtils]: 11: Hoare triple {4020#true} assume !(0 != test_~tmp___0~3); {4020#true} is VALID [2020-07-28 19:04:04,007 INFO L280 TraceCheckUtils]: 12: Hoare triple {4020#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {4020#true} is VALID [2020-07-28 19:04:04,007 INFO L280 TraceCheckUtils]: 13: Hoare triple {4020#true} assume 0 != test_~tmp___2~0; {4020#true} is VALID [2020-07-28 19:04:04,008 INFO L280 TraceCheckUtils]: 14: Hoare triple {4020#true} assume !(0 != ~pumpRunning~0); {4020#true} is VALID [2020-07-28 19:04:04,008 INFO L280 TraceCheckUtils]: 15: Hoare triple {4020#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {4020#true} is VALID [2020-07-28 19:04:04,009 INFO L280 TraceCheckUtils]: 16: Hoare triple {4020#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {4020#true} is VALID [2020-07-28 19:04:04,009 INFO L280 TraceCheckUtils]: 17: Hoare triple {4020#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; {4020#true} is VALID [2020-07-28 19:04:04,010 INFO L280 TraceCheckUtils]: 18: Hoare triple {4020#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; {4024#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 19:04:04,011 INFO L280 TraceCheckUtils]: 19: Hoare triple {4024#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {4025#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4))} is VALID [2020-07-28 19:04:04,012 INFO L280 TraceCheckUtils]: 20: Hoare triple {4025#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4))} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {4021#false} is VALID [2020-07-28 19:04:04,012 INFO L280 TraceCheckUtils]: 21: Hoare triple {4021#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {4021#false} is VALID [2020-07-28 19:04:04,012 INFO L280 TraceCheckUtils]: 22: Hoare triple {4021#false} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {4021#false} is VALID [2020-07-28 19:04:04,013 INFO L280 TraceCheckUtils]: 23: Hoare triple {4021#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {4021#false} is VALID [2020-07-28 19:04:04,013 INFO L280 TraceCheckUtils]: 24: Hoare triple {4021#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {4021#false} is VALID [2020-07-28 19:04:04,013 INFO L280 TraceCheckUtils]: 25: Hoare triple {4021#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {4021#false} is VALID [2020-07-28 19:04:04,013 INFO L280 TraceCheckUtils]: 26: Hoare triple {4021#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {4021#false} is VALID [2020-07-28 19:04:04,014 INFO L280 TraceCheckUtils]: 27: Hoare triple {4021#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {4021#false} is VALID [2020-07-28 19:04:04,014 INFO L280 TraceCheckUtils]: 28: Hoare triple {4021#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {4021#false} is VALID [2020-07-28 19:04:04,014 INFO L280 TraceCheckUtils]: 29: Hoare triple {4021#false} assume !false; {4021#false} is VALID [2020-07-28 19:04:04,016 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 19:04:04,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881364569] [2020-07-28 19:04:04,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:04,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 19:04:04,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208924619] [2020-07-28 19:04:04,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-28 19:04:04,018 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:04,018 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:04,061 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:04,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:04,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:04,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:04,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:04,062 INFO L87 Difference]: Start difference. First operand 93 states and 128 transitions. Second operand 6 states. [2020-07-28 19:04:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:05,230 INFO L93 Difference]: Finished difference Result 270 states and 372 transitions. [2020-07-28 19:04:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:04:05,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-28 19:04:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 212 transitions. [2020-07-28 19:04:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:05,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 212 transitions. [2020-07-28 19:04:05,245 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 212 transitions. [2020-07-28 19:04:05,515 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 212 edges. 212 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:05,520 INFO L225 Difference]: With dead ends: 270 [2020-07-28 19:04:05,520 INFO L226 Difference]: Without dead ends: 183 [2020-07-28 19:04:05,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-28 19:04:05,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-28 19:04:05,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 97. [2020-07-28 19:04:05,718 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:05,718 INFO L82 GeneralOperation]: Start isEquivalent. First operand 183 states. Second operand 97 states. [2020-07-28 19:04:05,718 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand 97 states. [2020-07-28 19:04:05,718 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 97 states. [2020-07-28 19:04:05,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:05,724 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2020-07-28 19:04:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 248 transitions. [2020-07-28 19:04:05,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:05,725 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:05,725 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 183 states. [2020-07-28 19:04:05,725 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 183 states. [2020-07-28 19:04:05,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:05,730 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2020-07-28 19:04:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 248 transitions. [2020-07-28 19:04:05,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:05,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:05,731 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:05,731 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-28 19:04:05,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 132 transitions. [2020-07-28 19:04:05,734 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 132 transitions. Word has length 30 [2020-07-28 19:04:05,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:05,734 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 132 transitions. [2020-07-28 19:04:05,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions. [2020-07-28 19:04:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 19:04:05,736 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:05,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:05,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:04:05,736 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:05,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:05,737 INFO L82 PathProgramCache]: Analyzing trace with hash 324821466, now seen corresponding path program 1 times [2020-07-28 19:04:05,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:05,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100321902] [2020-07-28 19:04:05,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:05,818 INFO L280 TraceCheckUtils]: 0: Hoare triple {4917#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,819 INFO L280 TraceCheckUtils]: 1: Hoare triple {4919#(<= ~waterLevel~0 1)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,824 INFO L280 TraceCheckUtils]: 2: Hoare triple {4919#(<= ~waterLevel~0 1)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,825 INFO L280 TraceCheckUtils]: 3: Hoare triple {4919#(<= ~waterLevel~0 1)} 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; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,826 INFO L280 TraceCheckUtils]: 4: Hoare triple {4919#(<= ~waterLevel~0 1)} assume 0 != main_~tmp~0; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,827 INFO L280 TraceCheckUtils]: 5: Hoare triple {4919#(<= ~waterLevel~0 1)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,829 INFO L280 TraceCheckUtils]: 6: Hoare triple {4919#(<= ~waterLevel~0 1)} assume !false; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,830 INFO L280 TraceCheckUtils]: 7: Hoare triple {4919#(<= ~waterLevel~0 1)} assume test_~splverifierCounter~0 < 4; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,831 INFO L280 TraceCheckUtils]: 8: Hoare triple {4919#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,831 INFO L280 TraceCheckUtils]: 9: Hoare triple {4919#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp~6); {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,832 INFO L280 TraceCheckUtils]: 10: Hoare triple {4919#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,833 INFO L280 TraceCheckUtils]: 11: Hoare triple {4919#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~3); {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,834 INFO L280 TraceCheckUtils]: 12: Hoare triple {4919#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,835 INFO L280 TraceCheckUtils]: 13: Hoare triple {4919#(<= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,835 INFO L280 TraceCheckUtils]: 14: Hoare triple {4919#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,836 INFO L280 TraceCheckUtils]: 15: Hoare triple {4919#(<= ~waterLevel~0 1)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,837 INFO L280 TraceCheckUtils]: 16: Hoare triple {4919#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,838 INFO L280 TraceCheckUtils]: 17: Hoare triple {4919#(<= ~waterLevel~0 1)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; {4919#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:04:05,839 INFO L280 TraceCheckUtils]: 18: Hoare triple {4919#(<= ~waterLevel~0 1)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~3 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; {4918#false} is VALID [2020-07-28 19:04:05,839 INFO L280 TraceCheckUtils]: 19: Hoare triple {4918#false} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {4918#false} is VALID [2020-07-28 19:04:05,839 INFO L280 TraceCheckUtils]: 20: Hoare triple {4918#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {4918#false} is VALID [2020-07-28 19:04:05,839 INFO L280 TraceCheckUtils]: 21: Hoare triple {4918#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {4918#false} is VALID [2020-07-28 19:04:05,840 INFO L280 TraceCheckUtils]: 22: Hoare triple {4918#false} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {4918#false} is VALID [2020-07-28 19:04:05,840 INFO L280 TraceCheckUtils]: 23: Hoare triple {4918#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {4918#false} is VALID [2020-07-28 19:04:05,840 INFO L280 TraceCheckUtils]: 24: Hoare triple {4918#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {4918#false} is VALID [2020-07-28 19:04:05,841 INFO L280 TraceCheckUtils]: 25: Hoare triple {4918#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {4918#false} is VALID [2020-07-28 19:04:05,841 INFO L280 TraceCheckUtils]: 26: Hoare triple {4918#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {4918#false} is VALID [2020-07-28 19:04:05,841 INFO L280 TraceCheckUtils]: 27: Hoare triple {4918#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {4918#false} is VALID [2020-07-28 19:04:05,841 INFO L280 TraceCheckUtils]: 28: Hoare triple {4918#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {4918#false} is VALID [2020-07-28 19:04:05,842 INFO L280 TraceCheckUtils]: 29: Hoare triple {4918#false} assume !false; {4918#false} is VALID [2020-07-28 19:04:05,847 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 19:04:05,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100321902] [2020-07-28 19:04:05,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:05,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:05,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13077814] [2020-07-28 19:04:05,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-07-28 19:04:05,850 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:05,850 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:05,890 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:05,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:05,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:05,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:05,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:05,891 INFO L87 Difference]: Start difference. First operand 97 states and 132 transitions. Second operand 3 states. [2020-07-28 19:04:06,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:06,434 INFO L93 Difference]: Finished difference Result 265 states and 366 transitions. [2020-07-28 19:04:06,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:06,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-07-28 19:04:06,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2020-07-28 19:04:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2020-07-28 19:04:06,439 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 194 transitions. [2020-07-28 19:04:06,672 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 194 edges. 194 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:06,676 INFO L225 Difference]: With dead ends: 265 [2020-07-28 19:04:06,676 INFO L226 Difference]: Without dead ends: 174 [2020-07-28 19:04:06,677 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 19:04:06,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-07-28 19:04:07,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2020-07-28 19:04:07,034 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:07,034 INFO L82 GeneralOperation]: Start isEquivalent. First operand 174 states. Second operand 172 states. [2020-07-28 19:04:07,034 INFO L74 IsIncluded]: Start isIncluded. First operand 174 states. Second operand 172 states. [2020-07-28 19:04:07,035 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 172 states. [2020-07-28 19:04:07,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:07,040 INFO L93 Difference]: Finished difference Result 174 states and 235 transitions. [2020-07-28 19:04:07,040 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 235 transitions. [2020-07-28 19:04:07,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:07,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:07,041 INFO L74 IsIncluded]: Start isIncluded. First operand 172 states. Second operand 174 states. [2020-07-28 19:04:07,041 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 174 states. [2020-07-28 19:04:07,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:07,045 INFO L93 Difference]: Finished difference Result 174 states and 235 transitions. [2020-07-28 19:04:07,045 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 235 transitions. [2020-07-28 19:04:07,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:07,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:07,046 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:07,046 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-28 19:04:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 234 transitions. [2020-07-28 19:04:07,051 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 234 transitions. Word has length 30 [2020-07-28 19:04:07,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:07,051 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 234 transitions. [2020-07-28 19:04:07,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:07,052 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 234 transitions. [2020-07-28 19:04:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 19:04:07,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:07,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:07,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:04:07,053 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:07,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:07,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1682994728, now seen corresponding path program 1 times [2020-07-28 19:04:07,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:07,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641205479] [2020-07-28 19:04:07,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:07,161 INFO L280 TraceCheckUtils]: 0: Hoare triple {5876#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,162 INFO L280 TraceCheckUtils]: 1: Hoare triple {5878#(<= 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; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,162 INFO L280 TraceCheckUtils]: 2: Hoare triple {5878#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,163 INFO L280 TraceCheckUtils]: 3: Hoare triple {5878#(<= 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; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,164 INFO L280 TraceCheckUtils]: 4: Hoare triple {5878#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,164 INFO L280 TraceCheckUtils]: 5: Hoare triple {5878#(<= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,165 INFO L280 TraceCheckUtils]: 6: Hoare triple {5878#(<= 1 ~waterLevel~0)} assume !false; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,166 INFO L280 TraceCheckUtils]: 7: Hoare triple {5878#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,168 INFO L280 TraceCheckUtils]: 8: Hoare triple {5878#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,168 INFO L280 TraceCheckUtils]: 9: Hoare triple {5878#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~6; {5878#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,169 INFO L280 TraceCheckUtils]: 10: Hoare triple {5878#(<= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,173 INFO L280 TraceCheckUtils]: 11: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,175 INFO L280 TraceCheckUtils]: 12: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,175 INFO L280 TraceCheckUtils]: 13: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,176 INFO L280 TraceCheckUtils]: 14: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,177 INFO L280 TraceCheckUtils]: 15: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,178 INFO L280 TraceCheckUtils]: 16: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,178 INFO L280 TraceCheckUtils]: 17: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,179 INFO L280 TraceCheckUtils]: 18: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,180 INFO L280 TraceCheckUtils]: 19: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~3 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,180 INFO L280 TraceCheckUtils]: 20: Hoare triple {5879#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,181 INFO L280 TraceCheckUtils]: 21: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,182 INFO L280 TraceCheckUtils]: 22: Hoare triple {5879#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,182 INFO L280 TraceCheckUtils]: 23: Hoare triple {5879#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,183 INFO L280 TraceCheckUtils]: 24: Hoare triple {5879#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {5879#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:07,185 INFO L280 TraceCheckUtils]: 25: Hoare triple {5879#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {5880#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:07,187 INFO L280 TraceCheckUtils]: 26: Hoare triple {5880#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {5881#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)} is VALID [2020-07-28 19:04:07,187 INFO L280 TraceCheckUtils]: 27: Hoare triple {5881#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {5877#false} is VALID [2020-07-28 19:04:07,188 INFO L280 TraceCheckUtils]: 28: Hoare triple {5877#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {5877#false} is VALID [2020-07-28 19:04:07,188 INFO L280 TraceCheckUtils]: 29: Hoare triple {5877#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {5877#false} is VALID [2020-07-28 19:04:07,188 INFO L280 TraceCheckUtils]: 30: Hoare triple {5877#false} assume !false; {5877#false} is VALID [2020-07-28 19:04:07,190 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 19:04:07,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641205479] [2020-07-28 19:04:07,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:07,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:07,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430043749] [2020-07-28 19:04:07,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-28 19:04:07,192 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:07,192 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:07,235 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:07,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:07,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:07,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:07,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:07,237 INFO L87 Difference]: Start difference. First operand 172 states and 234 transitions. Second operand 6 states. [2020-07-28 19:04:09,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:09,122 INFO L93 Difference]: Finished difference Result 587 states and 808 transitions. [2020-07-28 19:04:09,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:04:09,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-28 19:04:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 304 transitions. [2020-07-28 19:04:09,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 304 transitions. [2020-07-28 19:04:09,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 304 transitions. [2020-07-28 19:04:09,465 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 304 edges. 304 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:09,483 INFO L225 Difference]: With dead ends: 587 [2020-07-28 19:04:09,483 INFO L226 Difference]: Without dead ends: 421 [2020-07-28 19:04:09,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:09,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-07-28 19:04:10,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 346. [2020-07-28 19:04:10,379 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:10,379 INFO L82 GeneralOperation]: Start isEquivalent. First operand 421 states. Second operand 346 states. [2020-07-28 19:04:10,380 INFO L74 IsIncluded]: Start isIncluded. First operand 421 states. Second operand 346 states. [2020-07-28 19:04:10,380 INFO L87 Difference]: Start difference. First operand 421 states. Second operand 346 states. [2020-07-28 19:04:10,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,394 INFO L93 Difference]: Finished difference Result 421 states and 569 transitions. [2020-07-28 19:04:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 569 transitions. [2020-07-28 19:04:10,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:10,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:10,397 INFO L74 IsIncluded]: Start isIncluded. First operand 346 states. Second operand 421 states. [2020-07-28 19:04:10,397 INFO L87 Difference]: Start difference. First operand 346 states. Second operand 421 states. [2020-07-28 19:04:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:10,413 INFO L93 Difference]: Finished difference Result 421 states and 569 transitions. [2020-07-28 19:04:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 569 transitions. [2020-07-28 19:04:10,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:10,414 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:10,415 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:10,415 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:10,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-07-28 19:04:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 470 transitions. [2020-07-28 19:04:10,427 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 470 transitions. Word has length 31 [2020-07-28 19:04:10,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:10,427 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 470 transitions. [2020-07-28 19:04:10,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 470 transitions. [2020-07-28 19:04:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-28 19:04:10,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:10,429 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:10,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:04:10,430 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:10,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:10,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1312943258, now seen corresponding path program 1 times [2020-07-28 19:04:10,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:10,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777243639] [2020-07-28 19:04:10,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:10,558 INFO L280 TraceCheckUtils]: 0: Hoare triple {8032#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,560 INFO L280 TraceCheckUtils]: 1: Hoare triple {8034#(<= 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; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {8034#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {8034#(<= 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; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,562 INFO L280 TraceCheckUtils]: 4: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {8034#(<= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,564 INFO L280 TraceCheckUtils]: 6: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume !false; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,565 INFO L280 TraceCheckUtils]: 7: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,566 INFO L280 TraceCheckUtils]: 8: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,567 INFO L280 TraceCheckUtils]: 9: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~6; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,568 INFO L280 TraceCheckUtils]: 10: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,569 INFO L280 TraceCheckUtils]: 11: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,570 INFO L280 TraceCheckUtils]: 12: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,598 INFO L280 TraceCheckUtils]: 13: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,599 INFO L280 TraceCheckUtils]: 14: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,600 INFO L280 TraceCheckUtils]: 15: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,601 INFO L280 TraceCheckUtils]: 16: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,602 INFO L280 TraceCheckUtils]: 17: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,603 INFO L280 TraceCheckUtils]: 18: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,604 INFO L280 TraceCheckUtils]: 19: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~3 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,605 INFO L280 TraceCheckUtils]: 20: Hoare triple {8035#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,606 INFO L280 TraceCheckUtils]: 21: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,607 INFO L280 TraceCheckUtils]: 22: Hoare triple {8035#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,610 INFO L280 TraceCheckUtils]: 23: Hoare triple {8035#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,611 INFO L280 TraceCheckUtils]: 24: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,612 INFO L280 TraceCheckUtils]: 25: Hoare triple {8035#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,614 INFO L280 TraceCheckUtils]: 26: Hoare triple {8035#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,615 INFO L280 TraceCheckUtils]: 27: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,619 INFO L280 TraceCheckUtils]: 28: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !false; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,620 INFO L280 TraceCheckUtils]: 29: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,622 INFO L280 TraceCheckUtils]: 30: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,624 INFO L280 TraceCheckUtils]: 31: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~6); {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,625 INFO L280 TraceCheckUtils]: 32: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,626 INFO L280 TraceCheckUtils]: 33: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,627 INFO L280 TraceCheckUtils]: 34: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,628 INFO L280 TraceCheckUtils]: 35: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,629 INFO L280 TraceCheckUtils]: 36: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,631 INFO L280 TraceCheckUtils]: 37: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,632 INFO L280 TraceCheckUtils]: 38: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,633 INFO L280 TraceCheckUtils]: 39: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~4;havoc isLowWaterSensorDry_~retValue_acc~4;isLowWaterSensorDry_~retValue_acc~4 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~4; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,634 INFO L280 TraceCheckUtils]: 40: Hoare triple {8034#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,636 INFO L280 TraceCheckUtils]: 41: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~2 := 0; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,637 INFO L280 TraceCheckUtils]: 42: Hoare triple {8034#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,638 INFO L280 TraceCheckUtils]: 43: Hoare triple {8034#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,640 INFO L280 TraceCheckUtils]: 44: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,641 INFO L280 TraceCheckUtils]: 45: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:10,650 INFO L280 TraceCheckUtils]: 46: Hoare triple {8034#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {8036#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:10,652 INFO L280 TraceCheckUtils]: 47: Hoare triple {8036#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {8037#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)} is VALID [2020-07-28 19:04:10,653 INFO L280 TraceCheckUtils]: 48: Hoare triple {8037#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {8033#false} is VALID [2020-07-28 19:04:10,654 INFO L280 TraceCheckUtils]: 49: Hoare triple {8033#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {8033#false} is VALID [2020-07-28 19:04:10,654 INFO L280 TraceCheckUtils]: 50: Hoare triple {8033#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {8033#false} is VALID [2020-07-28 19:04:10,654 INFO L280 TraceCheckUtils]: 51: Hoare triple {8033#false} assume !false; {8033#false} is VALID [2020-07-28 19:04:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:04:10,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777243639] [2020-07-28 19:04:10,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599590386] [2020-07-28 19:04:10,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:04:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:10,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:04:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:10,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:11,046 INFO L280 TraceCheckUtils]: 0: Hoare triple {8032#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {8032#true} is VALID [2020-07-28 19:04:11,046 INFO L280 TraceCheckUtils]: 1: Hoare triple {8032#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {8032#true} is VALID [2020-07-28 19:04:11,047 INFO L280 TraceCheckUtils]: 2: Hoare triple {8032#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {8032#true} is VALID [2020-07-28 19:04:11,047 INFO L280 TraceCheckUtils]: 3: Hoare triple {8032#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; {8032#true} is VALID [2020-07-28 19:04:11,047 INFO L280 TraceCheckUtils]: 4: Hoare triple {8032#true} assume 0 != main_~tmp~0; {8032#true} is VALID [2020-07-28 19:04:11,047 INFO L280 TraceCheckUtils]: 5: Hoare triple {8032#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8032#true} is VALID [2020-07-28 19:04:11,047 INFO L280 TraceCheckUtils]: 6: Hoare triple {8032#true} assume !false; {8032#true} is VALID [2020-07-28 19:04:11,048 INFO L280 TraceCheckUtils]: 7: Hoare triple {8032#true} assume test_~splverifierCounter~0 < 4; {8032#true} is VALID [2020-07-28 19:04:11,048 INFO L280 TraceCheckUtils]: 8: Hoare triple {8032#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {8032#true} is VALID [2020-07-28 19:04:11,048 INFO L280 TraceCheckUtils]: 9: Hoare triple {8032#true} assume 0 != test_~tmp~6; {8032#true} is VALID [2020-07-28 19:04:11,048 INFO L280 TraceCheckUtils]: 10: Hoare triple {8032#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8032#true} is VALID [2020-07-28 19:04:11,049 INFO L280 TraceCheckUtils]: 11: Hoare triple {8032#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {8032#true} is VALID [2020-07-28 19:04:11,049 INFO L280 TraceCheckUtils]: 12: Hoare triple {8032#true} assume !(0 != test_~tmp___0~3); {8032#true} is VALID [2020-07-28 19:04:11,049 INFO L280 TraceCheckUtils]: 13: Hoare triple {8032#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {8032#true} is VALID [2020-07-28 19:04:11,049 INFO L280 TraceCheckUtils]: 14: Hoare triple {8032#true} assume 0 != test_~tmp___2~0; {8032#true} is VALID [2020-07-28 19:04:11,050 INFO L280 TraceCheckUtils]: 15: Hoare triple {8032#true} assume !(0 != ~pumpRunning~0); {8032#true} is VALID [2020-07-28 19:04:11,050 INFO L280 TraceCheckUtils]: 16: Hoare triple {8032#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {8032#true} is VALID [2020-07-28 19:04:11,050 INFO L280 TraceCheckUtils]: 17: Hoare triple {8032#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {8032#true} is VALID [2020-07-28 19:04:11,051 INFO L280 TraceCheckUtils]: 18: Hoare triple {8032#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; {8032#true} is VALID [2020-07-28 19:04:11,052 INFO L280 TraceCheckUtils]: 19: Hoare triple {8032#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~3 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,052 INFO L280 TraceCheckUtils]: 20: Hoare triple {8035#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,053 INFO L280 TraceCheckUtils]: 21: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,054 INFO L280 TraceCheckUtils]: 22: Hoare triple {8035#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,054 INFO L280 TraceCheckUtils]: 23: Hoare triple {8035#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,055 INFO L280 TraceCheckUtils]: 24: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,056 INFO L280 TraceCheckUtils]: 25: Hoare triple {8035#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,056 INFO L280 TraceCheckUtils]: 26: Hoare triple {8035#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,057 INFO L280 TraceCheckUtils]: 27: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,058 INFO L280 TraceCheckUtils]: 28: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !false; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,058 INFO L280 TraceCheckUtils]: 29: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,059 INFO L280 TraceCheckUtils]: 30: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,060 INFO L280 TraceCheckUtils]: 31: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~6); {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,061 INFO L280 TraceCheckUtils]: 32: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,063 INFO L280 TraceCheckUtils]: 33: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,065 INFO L280 TraceCheckUtils]: 34: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,066 INFO L280 TraceCheckUtils]: 35: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,067 INFO L280 TraceCheckUtils]: 36: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {8035#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,068 INFO L280 TraceCheckUtils]: 37: Hoare triple {8035#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,068 INFO L280 TraceCheckUtils]: 38: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,069 INFO L280 TraceCheckUtils]: 39: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~4;havoc isLowWaterSensorDry_~retValue_acc~4;isLowWaterSensorDry_~retValue_acc~4 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~4; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,070 INFO L280 TraceCheckUtils]: 40: Hoare triple {8034#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,070 INFO L280 TraceCheckUtils]: 41: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~2 := 0; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,071 INFO L280 TraceCheckUtils]: 42: Hoare triple {8034#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,072 INFO L280 TraceCheckUtils]: 43: Hoare triple {8034#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,072 INFO L280 TraceCheckUtils]: 44: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,073 INFO L280 TraceCheckUtils]: 45: Hoare triple {8034#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {8034#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:11,074 INFO L280 TraceCheckUtils]: 46: Hoare triple {8034#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {8036#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:11,075 INFO L280 TraceCheckUtils]: 47: Hoare triple {8036#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {8037#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)} is VALID [2020-07-28 19:04:11,076 INFO L280 TraceCheckUtils]: 48: Hoare triple {8037#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {8033#false} is VALID [2020-07-28 19:04:11,076 INFO L280 TraceCheckUtils]: 49: Hoare triple {8033#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {8033#false} is VALID [2020-07-28 19:04:11,076 INFO L280 TraceCheckUtils]: 50: Hoare triple {8033#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {8033#false} is VALID [2020-07-28 19:04:11,077 INFO L280 TraceCheckUtils]: 51: Hoare triple {8033#false} assume !false; {8033#false} is VALID [2020-07-28 19:04:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:11,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:04:11,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 6 [2020-07-28 19:04:11,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202154621] [2020-07-28 19:04:11,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-28 19:04:11,086 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:11,086 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:11,175 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:11,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:11,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:11,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:11,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:11,177 INFO L87 Difference]: Start difference. First operand 346 states and 470 transitions. Second operand 6 states. [2020-07-28 19:04:13,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:13,432 INFO L93 Difference]: Finished difference Result 794 states and 1078 transitions. [2020-07-28 19:04:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:13,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-28 19:04:13,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 341 transitions. [2020-07-28 19:04:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 341 transitions. [2020-07-28 19:04:13,440 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 341 transitions. [2020-07-28 19:04:13,875 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 341 edges. 341 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:13,896 INFO L225 Difference]: With dead ends: 794 [2020-07-28 19:04:13,897 INFO L226 Difference]: Without dead ends: 454 [2020-07-28 19:04:13,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:04:13,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-07-28 19:04:14,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 336. [2020-07-28 19:04:14,719 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:14,719 INFO L82 GeneralOperation]: Start isEquivalent. First operand 454 states. Second operand 336 states. [2020-07-28 19:04:14,720 INFO L74 IsIncluded]: Start isIncluded. First operand 454 states. Second operand 336 states. [2020-07-28 19:04:14,720 INFO L87 Difference]: Start difference. First operand 454 states. Second operand 336 states. [2020-07-28 19:04:14,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:14,734 INFO L93 Difference]: Finished difference Result 454 states and 609 transitions. [2020-07-28 19:04:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 609 transitions. [2020-07-28 19:04:14,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:14,736 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:14,736 INFO L74 IsIncluded]: Start isIncluded. First operand 336 states. Second operand 454 states. [2020-07-28 19:04:14,736 INFO L87 Difference]: Start difference. First operand 336 states. Second operand 454 states. [2020-07-28 19:04:14,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:14,751 INFO L93 Difference]: Finished difference Result 454 states and 609 transitions. [2020-07-28 19:04:14,751 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 609 transitions. [2020-07-28 19:04:14,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:14,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:14,752 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:14,753 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-07-28 19:04:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 454 transitions. [2020-07-28 19:04:14,762 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 454 transitions. Word has length 52 [2020-07-28 19:04:14,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:14,763 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 454 transitions. [2020-07-28 19:04:14,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 454 transitions. [2020-07-28 19:04:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-28 19:04:14,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:14,765 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:14,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-28 19:04:14,980 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:14,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:14,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1082347880, now seen corresponding path program 2 times [2020-07-28 19:04:14,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:14,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156539462] [2020-07-28 19:04:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 0: Hoare triple {10689#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {10689#true} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 1: Hoare triple {10689#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {10689#true} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 2: Hoare triple {10689#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {10689#true} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 3: Hoare triple {10689#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; {10689#true} is VALID [2020-07-28 19:04:15,204 INFO L280 TraceCheckUtils]: 4: Hoare triple {10689#true} assume 0 != main_~tmp~0; {10689#true} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 5: Hoare triple {10689#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10689#true} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 6: Hoare triple {10689#true} assume !false; {10689#true} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 7: Hoare triple {10689#true} assume test_~splverifierCounter~0 < 4; {10689#true} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 8: Hoare triple {10689#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {10689#true} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 9: Hoare triple {10689#true} assume 0 != test_~tmp~6; {10689#true} is VALID [2020-07-28 19:04:15,205 INFO L280 TraceCheckUtils]: 10: Hoare triple {10689#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10689#true} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 11: Hoare triple {10689#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {10689#true} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 12: Hoare triple {10689#true} assume !(0 != test_~tmp___0~3); {10689#true} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 13: Hoare triple {10689#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {10689#true} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 14: Hoare triple {10689#true} assume 0 != test_~tmp___2~0; {10689#true} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 15: Hoare triple {10689#true} assume !(0 != ~pumpRunning~0); {10689#true} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 16: Hoare triple {10689#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {10689#true} is VALID [2020-07-28 19:04:15,206 INFO L280 TraceCheckUtils]: 17: Hoare triple {10689#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {10689#true} is VALID [2020-07-28 19:04:15,207 INFO L280 TraceCheckUtils]: 18: Hoare triple {10689#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; {10689#true} is VALID [2020-07-28 19:04:15,207 INFO L280 TraceCheckUtils]: 19: Hoare triple {10689#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~3 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; {10689#true} is VALID [2020-07-28 19:04:15,207 INFO L280 TraceCheckUtils]: 20: Hoare triple {10689#true} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {10689#true} is VALID [2020-07-28 19:04:15,207 INFO L280 TraceCheckUtils]: 21: Hoare triple {10689#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {10689#true} is VALID [2020-07-28 19:04:15,207 INFO L280 TraceCheckUtils]: 22: Hoare triple {10689#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {10689#true} is VALID [2020-07-28 19:04:15,207 INFO L280 TraceCheckUtils]: 23: Hoare triple {10689#true} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {10689#true} is VALID [2020-07-28 19:04:15,208 INFO L280 TraceCheckUtils]: 24: Hoare triple {10689#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {10689#true} is VALID [2020-07-28 19:04:15,208 INFO L280 TraceCheckUtils]: 25: Hoare triple {10689#true} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {10689#true} is VALID [2020-07-28 19:04:15,208 INFO L280 TraceCheckUtils]: 26: Hoare triple {10689#true} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {10689#true} is VALID [2020-07-28 19:04:15,208 INFO L280 TraceCheckUtils]: 27: Hoare triple {10689#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); {10689#true} is VALID [2020-07-28 19:04:15,208 INFO L280 TraceCheckUtils]: 28: Hoare triple {10689#true} assume !false; {10689#true} is VALID [2020-07-28 19:04:15,208 INFO L280 TraceCheckUtils]: 29: Hoare triple {10689#true} assume test_~splverifierCounter~0 < 4; {10689#true} is VALID [2020-07-28 19:04:15,209 INFO L280 TraceCheckUtils]: 30: Hoare triple {10689#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {10689#true} is VALID [2020-07-28 19:04:15,209 INFO L280 TraceCheckUtils]: 31: Hoare triple {10689#true} assume !(0 != test_~tmp~6); {10689#true} is VALID [2020-07-28 19:04:15,209 INFO L280 TraceCheckUtils]: 32: Hoare triple {10689#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {10689#true} is VALID [2020-07-28 19:04:15,209 INFO L280 TraceCheckUtils]: 33: Hoare triple {10689#true} assume !(0 != test_~tmp___0~3); {10689#true} is VALID [2020-07-28 19:04:15,209 INFO L280 TraceCheckUtils]: 34: Hoare triple {10689#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {10689#true} is VALID [2020-07-28 19:04:15,209 INFO L280 TraceCheckUtils]: 35: Hoare triple {10689#true} assume 0 != test_~tmp___2~0; {10689#true} is VALID [2020-07-28 19:04:15,210 INFO L280 TraceCheckUtils]: 36: Hoare triple {10689#true} assume 0 != ~pumpRunning~0; {10689#true} is VALID [2020-07-28 19:04:15,210 INFO L280 TraceCheckUtils]: 37: Hoare triple {10689#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10689#true} is VALID [2020-07-28 19:04:15,210 INFO L280 TraceCheckUtils]: 38: Hoare triple {10689#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {10689#true} is VALID [2020-07-28 19:04:15,211 INFO L280 TraceCheckUtils]: 39: Hoare triple {10689#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~4;havoc isLowWaterSensorDry_~retValue_acc~4;isLowWaterSensorDry_~retValue_acc~4 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~4; {10691#(or (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:15,211 INFO L280 TraceCheckUtils]: 40: Hoare triple {10691#(or (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0))} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {10692#(or (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:15,213 INFO L280 TraceCheckUtils]: 41: Hoare triple {10692#(or (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= 0 ~waterLevel~0))} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~2 := 0; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,217 INFO L280 TraceCheckUtils]: 42: Hoare triple {10693#(= 0 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,221 INFO L280 TraceCheckUtils]: 43: Hoare triple {10693#(= 0 ~waterLevel~0)} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,222 INFO L280 TraceCheckUtils]: 44: Hoare triple {10693#(= 0 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,222 INFO L280 TraceCheckUtils]: 45: Hoare triple {10693#(= 0 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,223 INFO L280 TraceCheckUtils]: 46: Hoare triple {10693#(= 0 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,224 INFO L280 TraceCheckUtils]: 47: Hoare triple {10693#(= 0 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,225 INFO L280 TraceCheckUtils]: 48: Hoare triple {10693#(= 0 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,225 INFO L280 TraceCheckUtils]: 49: Hoare triple {10693#(= 0 ~waterLevel~0)} assume !false; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,226 INFO L280 TraceCheckUtils]: 50: Hoare triple {10693#(= 0 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,227 INFO L280 TraceCheckUtils]: 51: Hoare triple {10693#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,228 INFO L280 TraceCheckUtils]: 52: Hoare triple {10693#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp~6); {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,228 INFO L280 TraceCheckUtils]: 53: Hoare triple {10693#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,229 INFO L280 TraceCheckUtils]: 54: Hoare triple {10693#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,230 INFO L280 TraceCheckUtils]: 55: Hoare triple {10693#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,230 INFO L280 TraceCheckUtils]: 56: Hoare triple {10693#(= 0 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,231 INFO L280 TraceCheckUtils]: 57: Hoare triple {10693#(= 0 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {10693#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:15,232 INFO L280 TraceCheckUtils]: 58: Hoare triple {10693#(= 0 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10690#false} is VALID [2020-07-28 19:04:15,232 INFO L280 TraceCheckUtils]: 59: Hoare triple {10690#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {10690#false} is VALID [2020-07-28 19:04:15,232 INFO L280 TraceCheckUtils]: 60: Hoare triple {10690#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~4;havoc isLowWaterSensorDry_~retValue_acc~4;isLowWaterSensorDry_~retValue_acc~4 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~4; {10690#false} is VALID [2020-07-28 19:04:15,233 INFO L280 TraceCheckUtils]: 61: Hoare triple {10690#false} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {10690#false} is VALID [2020-07-28 19:04:15,233 INFO L280 TraceCheckUtils]: 62: Hoare triple {10690#false} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~2 := 0; {10690#false} is VALID [2020-07-28 19:04:15,233 INFO L280 TraceCheckUtils]: 63: Hoare triple {10690#false} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {10690#false} is VALID [2020-07-28 19:04:15,233 INFO L280 TraceCheckUtils]: 64: Hoare triple {10690#false} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {10690#false} is VALID [2020-07-28 19:04:15,234 INFO L280 TraceCheckUtils]: 65: Hoare triple {10690#false} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {10690#false} is VALID [2020-07-28 19:04:15,234 INFO L280 TraceCheckUtils]: 66: Hoare triple {10690#false} assume !(0 == ~pumpRunning~0); {10690#false} is VALID [2020-07-28 19:04:15,234 INFO L280 TraceCheckUtils]: 67: Hoare triple {10690#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {10690#false} is VALID [2020-07-28 19:04:15,234 INFO L280 TraceCheckUtils]: 68: Hoare triple {10690#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {10690#false} is VALID [2020-07-28 19:04:15,234 INFO L280 TraceCheckUtils]: 69: Hoare triple {10690#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {10690#false} is VALID [2020-07-28 19:04:15,235 INFO L280 TraceCheckUtils]: 70: Hoare triple {10690#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {10690#false} is VALID [2020-07-28 19:04:15,235 INFO L280 TraceCheckUtils]: 71: Hoare triple {10690#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {10690#false} is VALID [2020-07-28 19:04:15,235 INFO L280 TraceCheckUtils]: 72: Hoare triple {10690#false} assume !false; {10690#false} is VALID [2020-07-28 19:04:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:04:15,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156539462] [2020-07-28 19:04:15,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:15,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:15,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173339823] [2020-07-28 19:04:15,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:15,243 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:15,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:15,321 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:15,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:15,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:15,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:15,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:15,322 INFO L87 Difference]: Start difference. First operand 336 states and 454 transitions. Second operand 5 states. [2020-07-28 19:04:18,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:18,389 INFO L93 Difference]: Finished difference Result 1116 states and 1512 transitions. [2020-07-28 19:04:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:18,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-07-28 19:04:18,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 238 transitions. [2020-07-28 19:04:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 238 transitions. [2020-07-28 19:04:18,392 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 238 transitions. [2020-07-28 19:04:18,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 238 edges. 238 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:18,728 INFO L225 Difference]: With dead ends: 1116 [2020-07-28 19:04:18,728 INFO L226 Difference]: Without dead ends: 785 [2020-07-28 19:04:18,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:18,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2020-07-28 19:04:19,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 381. [2020-07-28 19:04:19,719 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:19,719 INFO L82 GeneralOperation]: Start isEquivalent. First operand 785 states. Second operand 381 states. [2020-07-28 19:04:19,720 INFO L74 IsIncluded]: Start isIncluded. First operand 785 states. Second operand 381 states. [2020-07-28 19:04:19,720 INFO L87 Difference]: Start difference. First operand 785 states. Second operand 381 states. [2020-07-28 19:04:19,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:19,757 INFO L93 Difference]: Finished difference Result 785 states and 1050 transitions. [2020-07-28 19:04:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1050 transitions. [2020-07-28 19:04:19,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:19,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:19,759 INFO L74 IsIncluded]: Start isIncluded. First operand 381 states. Second operand 785 states. [2020-07-28 19:04:19,760 INFO L87 Difference]: Start difference. First operand 381 states. Second operand 785 states. [2020-07-28 19:04:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:19,798 INFO L93 Difference]: Finished difference Result 785 states and 1050 transitions. [2020-07-28 19:04:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1050 transitions. [2020-07-28 19:04:19,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:19,800 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:19,801 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:19,801 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-07-28 19:04:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 519 transitions. [2020-07-28 19:04:19,812 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 519 transitions. Word has length 73 [2020-07-28 19:04:19,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:19,813 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 519 transitions. [2020-07-28 19:04:19,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 519 transitions. [2020-07-28 19:04:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-28 19:04:19,815 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:19,815 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:04:19,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 19:04:19,816 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:19,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:19,816 INFO L82 PathProgramCache]: Analyzing trace with hash -807588266, now seen corresponding path program 1 times [2020-07-28 19:04:19,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:19,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857979457] [2020-07-28 19:04:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:19,939 INFO L280 TraceCheckUtils]: 0: Hoare triple {14348#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {14348#true} is VALID [2020-07-28 19:04:19,939 INFO L280 TraceCheckUtils]: 1: Hoare triple {14348#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {14348#true} is VALID [2020-07-28 19:04:19,941 INFO L280 TraceCheckUtils]: 2: Hoare triple {14348#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {14350#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:04:19,942 INFO L280 TraceCheckUtils]: 3: Hoare triple {14350#(= 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; {14351#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 19:04:19,942 INFO L280 TraceCheckUtils]: 4: Hoare triple {14351#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {14348#true} is VALID [2020-07-28 19:04:19,942 INFO L280 TraceCheckUtils]: 5: Hoare triple {14348#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14348#true} is VALID [2020-07-28 19:04:19,943 INFO L280 TraceCheckUtils]: 6: Hoare triple {14348#true} assume !false; {14348#true} is VALID [2020-07-28 19:04:19,943 INFO L280 TraceCheckUtils]: 7: Hoare triple {14348#true} assume test_~splverifierCounter~0 < 4; {14348#true} is VALID [2020-07-28 19:04:19,943 INFO L280 TraceCheckUtils]: 8: Hoare triple {14348#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {14348#true} is VALID [2020-07-28 19:04:19,943 INFO L280 TraceCheckUtils]: 9: Hoare triple {14348#true} assume 0 != test_~tmp~6; {14348#true} is VALID [2020-07-28 19:04:19,943 INFO L280 TraceCheckUtils]: 10: Hoare triple {14348#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14348#true} is VALID [2020-07-28 19:04:19,944 INFO L280 TraceCheckUtils]: 11: Hoare triple {14348#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {14348#true} is VALID [2020-07-28 19:04:19,944 INFO L280 TraceCheckUtils]: 12: Hoare triple {14348#true} assume !(0 != test_~tmp___0~3); {14348#true} is VALID [2020-07-28 19:04:19,944 INFO L280 TraceCheckUtils]: 13: Hoare triple {14348#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {14348#true} is VALID [2020-07-28 19:04:19,944 INFO L280 TraceCheckUtils]: 14: Hoare triple {14348#true} assume 0 != test_~tmp___2~0; {14348#true} is VALID [2020-07-28 19:04:19,944 INFO L280 TraceCheckUtils]: 15: Hoare triple {14348#true} assume !(0 != ~pumpRunning~0); {14348#true} is VALID [2020-07-28 19:04:19,945 INFO L280 TraceCheckUtils]: 16: Hoare triple {14348#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {14348#true} is VALID [2020-07-28 19:04:19,945 INFO L280 TraceCheckUtils]: 17: Hoare triple {14348#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {14348#true} is VALID [2020-07-28 19:04:19,945 INFO L280 TraceCheckUtils]: 18: Hoare triple {14348#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; {14348#true} is VALID [2020-07-28 19:04:19,945 INFO L280 TraceCheckUtils]: 19: Hoare triple {14348#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~3 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; {14348#true} is VALID [2020-07-28 19:04:19,946 INFO L280 TraceCheckUtils]: 20: Hoare triple {14348#true} isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret33 && isHighWaterLevel_#t~ret33 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; {14348#true} is VALID [2020-07-28 19:04:19,946 INFO L280 TraceCheckUtils]: 21: Hoare triple {14348#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {14348#true} is VALID [2020-07-28 19:04:19,946 INFO L280 TraceCheckUtils]: 22: Hoare triple {14348#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {14348#true} is VALID [2020-07-28 19:04:19,947 INFO L280 TraceCheckUtils]: 23: Hoare triple {14348#true} processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret14 && processEnvironment__wrappee__highWaterSensor_#t~ret14 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; {14348#true} is VALID [2020-07-28 19:04:19,947 INFO L280 TraceCheckUtils]: 24: Hoare triple {14348#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {14348#true} is VALID [2020-07-28 19:04:19,947 INFO L280 TraceCheckUtils]: 25: Hoare triple {14348#true} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {14348#true} is VALID [2020-07-28 19:04:19,948 INFO L280 TraceCheckUtils]: 26: Hoare triple {14348#true} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {14348#true} is VALID [2020-07-28 19:04:19,948 INFO L280 TraceCheckUtils]: 27: Hoare triple {14348#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); {14348#true} is VALID [2020-07-28 19:04:19,948 INFO L280 TraceCheckUtils]: 28: Hoare triple {14348#true} assume !false; {14348#true} is VALID [2020-07-28 19:04:19,949 INFO L280 TraceCheckUtils]: 29: Hoare triple {14348#true} assume test_~splverifierCounter~0 < 4; {14348#true} is VALID [2020-07-28 19:04:19,949 INFO L280 TraceCheckUtils]: 30: Hoare triple {14348#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {14348#true} is VALID [2020-07-28 19:04:19,949 INFO L280 TraceCheckUtils]: 31: Hoare triple {14348#true} assume !(0 != test_~tmp~6); {14348#true} is VALID [2020-07-28 19:04:19,949 INFO L280 TraceCheckUtils]: 32: Hoare triple {14348#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {14348#true} is VALID [2020-07-28 19:04:19,950 INFO L280 TraceCheckUtils]: 33: Hoare triple {14348#true} assume !(0 != test_~tmp___0~3); {14348#true} is VALID [2020-07-28 19:04:19,950 INFO L280 TraceCheckUtils]: 34: Hoare triple {14348#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {14348#true} is VALID [2020-07-28 19:04:19,950 INFO L280 TraceCheckUtils]: 35: Hoare triple {14348#true} assume 0 != test_~tmp___2~0; {14348#true} is VALID [2020-07-28 19:04:19,951 INFO L280 TraceCheckUtils]: 36: Hoare triple {14348#true} assume 0 != ~pumpRunning~0; {14348#true} is VALID [2020-07-28 19:04:19,951 INFO L280 TraceCheckUtils]: 37: Hoare triple {14348#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14348#true} is VALID [2020-07-28 19:04:19,951 INFO L280 TraceCheckUtils]: 38: Hoare triple {14348#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {14348#true} is VALID [2020-07-28 19:04:19,952 INFO L280 TraceCheckUtils]: 39: Hoare triple {14348#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~4;havoc isLowWaterSensorDry_~retValue_acc~4;isLowWaterSensorDry_~retValue_acc~4 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~4; {14348#true} is VALID [2020-07-28 19:04:19,952 INFO L280 TraceCheckUtils]: 40: Hoare triple {14348#true} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {14348#true} is VALID [2020-07-28 19:04:19,953 INFO L280 TraceCheckUtils]: 41: Hoare triple {14348#true} assume !(0 != isLowWaterLevel_~tmp~5);isLowWaterLevel_~tmp___0~2 := 1; {14352#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))} is VALID [2020-07-28 19:04:19,955 INFO L280 TraceCheckUtils]: 42: Hoare triple {14352#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {14353#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 19:04:19,956 INFO L280 TraceCheckUtils]: 43: Hoare triple {14353#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {14354#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~3))} is VALID [2020-07-28 19:04:19,957 INFO L280 TraceCheckUtils]: 44: Hoare triple {14354#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~3))} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {14349#false} is VALID [2020-07-28 19:04:19,957 INFO L280 TraceCheckUtils]: 45: Hoare triple {14349#false} assume !(0 == ~pumpRunning~0); {14349#false} is VALID [2020-07-28 19:04:19,957 INFO L280 TraceCheckUtils]: 46: Hoare triple {14349#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {14349#false} is VALID [2020-07-28 19:04:19,957 INFO L280 TraceCheckUtils]: 47: Hoare triple {14349#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {14349#false} is VALID [2020-07-28 19:04:19,957 INFO L280 TraceCheckUtils]: 48: Hoare triple {14349#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); {14349#false} is VALID [2020-07-28 19:04:19,958 INFO L280 TraceCheckUtils]: 49: Hoare triple {14349#false} assume !false; {14349#false} is VALID [2020-07-28 19:04:19,958 INFO L280 TraceCheckUtils]: 50: Hoare triple {14349#false} assume test_~splverifierCounter~0 < 4; {14349#false} is VALID [2020-07-28 19:04:19,958 INFO L280 TraceCheckUtils]: 51: Hoare triple {14349#false} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; {14349#false} is VALID [2020-07-28 19:04:19,958 INFO L280 TraceCheckUtils]: 52: Hoare triple {14349#false} assume !(0 != test_~tmp~6); {14349#false} is VALID [2020-07-28 19:04:19,958 INFO L280 TraceCheckUtils]: 53: Hoare triple {14349#false} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {14349#false} is VALID [2020-07-28 19:04:19,958 INFO L280 TraceCheckUtils]: 54: Hoare triple {14349#false} assume !(0 != test_~tmp___0~3); {14349#false} is VALID [2020-07-28 19:04:19,959 INFO L280 TraceCheckUtils]: 55: Hoare triple {14349#false} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {14349#false} is VALID [2020-07-28 19:04:19,959 INFO L280 TraceCheckUtils]: 56: Hoare triple {14349#false} assume 0 != test_~tmp___2~0; {14349#false} is VALID [2020-07-28 19:04:19,959 INFO L280 TraceCheckUtils]: 57: Hoare triple {14349#false} assume 0 != ~pumpRunning~0; {14349#false} is VALID [2020-07-28 19:04:19,960 INFO L280 TraceCheckUtils]: 58: Hoare triple {14349#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14349#false} is VALID [2020-07-28 19:04:19,960 INFO L280 TraceCheckUtils]: 59: Hoare triple {14349#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {14349#false} is VALID [2020-07-28 19:04:19,960 INFO L280 TraceCheckUtils]: 60: Hoare triple {14349#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret34, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~4;havoc isLowWaterSensorDry_~retValue_acc~4;isLowWaterSensorDry_~retValue_acc~4 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~4; {14349#false} is VALID [2020-07-28 19:04:19,961 INFO L280 TraceCheckUtils]: 61: Hoare triple {14349#false} isLowWaterLevel_#t~ret34 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret34 && isLowWaterLevel_#t~ret34 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret34;havoc isLowWaterLevel_#t~ret34; {14349#false} is VALID [2020-07-28 19:04:19,961 INFO L280 TraceCheckUtils]: 62: Hoare triple {14349#false} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~2 := 0; {14349#false} is VALID [2020-07-28 19:04:19,961 INFO L280 TraceCheckUtils]: 63: Hoare triple {14349#false} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {14349#false} is VALID [2020-07-28 19:04:19,961 INFO L280 TraceCheckUtils]: 64: Hoare triple {14349#false} processEnvironment_#t~ret15 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret15 && processEnvironment_#t~ret15 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret15;havoc processEnvironment_#t~ret15; {14349#false} is VALID [2020-07-28 19:04:19,961 INFO L280 TraceCheckUtils]: 65: Hoare triple {14349#false} assume !(0 != processEnvironment_~tmp~3);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {14349#false} is VALID [2020-07-28 19:04:19,962 INFO L280 TraceCheckUtils]: 66: Hoare triple {14349#false} assume !(0 == ~pumpRunning~0); {14349#false} is VALID [2020-07-28 19:04:19,962 INFO L280 TraceCheckUtils]: 67: Hoare triple {14349#false} havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {14349#false} is VALID [2020-07-28 19:04:19,962 INFO L280 TraceCheckUtils]: 68: Hoare triple {14349#false} __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret1 && __utac_acc__Specification4_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; {14349#false} is VALID [2020-07-28 19:04:19,963 INFO L280 TraceCheckUtils]: 69: Hoare triple {14349#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {14349#false} is VALID [2020-07-28 19:04:19,963 INFO L280 TraceCheckUtils]: 70: Hoare triple {14349#false} __utac_acc__Specification4_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret2 && __utac_acc__Specification4_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret2;havoc __utac_acc__Specification4_spec__1_#t~ret2; {14349#false} is VALID [2020-07-28 19:04:19,963 INFO L280 TraceCheckUtils]: 71: Hoare triple {14349#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {14349#false} is VALID [2020-07-28 19:04:19,963 INFO L280 TraceCheckUtils]: 72: Hoare triple {14349#false} assume !false; {14349#false} is VALID [2020-07-28 19:04:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-28 19:04:19,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857979457] [2020-07-28 19:04:19,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:19,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-28 19:04:19,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487879027] [2020-07-28 19:04:19,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-07-28 19:04:19,970 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:19,970 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:04:20,048 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:20,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:04:20,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:20,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:04:20,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:20,049 INFO L87 Difference]: Start difference. First operand 381 states and 519 transitions. Second operand 7 states. [2020-07-28 19:04:22,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:22,101 INFO L93 Difference]: Finished difference Result 748 states and 1006 transitions. [2020-07-28 19:04:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 19:04:22,102 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-07-28 19:04:22,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:22,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:22,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 219 transitions. [2020-07-28 19:04:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 219 transitions. [2020-07-28 19:04:22,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 219 transitions. [2020-07-28 19:04:22,389 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 219 edges. 219 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:22,389 INFO L225 Difference]: With dead ends: 748 [2020-07-28 19:04:22,389 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:04:22,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-28 19:04:22,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:04:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:04:22,391 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:22,392 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:22,392 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:22,392 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:22,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:22,392 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:22,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:22,393 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:22,393 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:22,395 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:04:22,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:22,396 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:04:22,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:22,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:22,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:22,396 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:22,396 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:04:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:04:22,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-07-28 19:04:22,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:22,397 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:04:22,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:04:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:04:22,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:22,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:04:22,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:04:22,534 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 102 [2020-07-28 19:04:22,687 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 129 [2020-07-28 19:04:22,945 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 122 [2020-07-28 19:04:23,129 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2020-07-28 19:04:23,453 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 122 [2020-07-28 19:04:23,593 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 133 [2020-07-28 19:04:24,083 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2020-07-28 19:04:24,653 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 24 [2020-07-28 19:04:24,855 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-07-28 19:04:25,197 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 16 [2020-07-28 19:04:25,700 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2020-07-28 19:04:26,345 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2020-07-28 19:04:26,509 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2020-07-28 19:04:26,969 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 42 [2020-07-28 19:04:27,223 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 32 [2020-07-28 19:04:27,444 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2020-07-28 19:04:27,948 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2020-07-28 19:04:28,430 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 22 [2020-07-28 19:04:28,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2020-07-28 19:04:28,440 INFO L264 CegarLoopResult]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-28 19:04:28,441 INFO L264 CegarLoopResult]: At program point L333-1(lines 333 339) the Hoare annotation is: false [2020-07-28 19:04:28,441 INFO L264 CegarLoopResult]: At program point L333-2(lines 333 339) the Hoare annotation is: false [2020-07-28 19:04:28,441 INFO L264 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ULTIMATE.start_main_~tmp~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:28,441 INFO L264 CegarLoopResult]: At program point L303(lines 1 971) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-07-28 19:04:28,441 INFO L271 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2020-07-28 19:04:28,441 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-28 19:04:28,441 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-28 19:04:28,441 INFO L268 CegarLoopResult]: For program point L602-2(line 602) no Hoare annotation was computed. [2020-07-28 19:04:28,442 INFO L264 CegarLoopResult]: At program point L437(lines 432 440) the Hoare annotation is: false [2020-07-28 19:04:28,442 INFO L264 CegarLoopResult]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2020-07-28 19:04:28,442 INFO L264 CegarLoopResult]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2020-07-28 19:04:28,442 INFO L268 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2020-07-28 19:04:28,442 INFO L268 CegarLoopResult]: For program point L505(lines 505 509) no Hoare annotation was computed. [2020-07-28 19:04:28,442 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2020-07-28 19:04:28,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2020-07-28 19:04:28,442 INFO L268 CegarLoopResult]: For program point L505-3(lines 505 509) no Hoare annotation was computed. [2020-07-28 19:04:28,442 INFO L268 CegarLoopResult]: For program point L505-5(lines 505 509) no Hoare annotation was computed. [2020-07-28 19:04:28,443 INFO L268 CegarLoopResult]: For program point L505-6(lines 505 509) no Hoare annotation was computed. [2020-07-28 19:04:28,443 INFO L268 CegarLoopResult]: For program point L505-8(lines 505 509) no Hoare annotation was computed. [2020-07-28 19:04:28,443 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-07-28 19:04:28,443 INFO L264 CegarLoopResult]: At program point L276(lines 271 279) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 19:04:28,443 INFO L264 CegarLoopResult]: At program point L276-1(lines 271 279) the Hoare annotation is: false [2020-07-28 19:04:28,444 INFO L264 CegarLoopResult]: At program point L276-2(lines 271 279) the Hoare annotation is: false [2020-07-28 19:04:28,444 INFO L268 CegarLoopResult]: For program point L542(lines 541 588) no Hoare annotation was computed. [2020-07-28 19:04:28,445 INFO L264 CegarLoopResult]: At program point L311(lines 306 314) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:04:28,445 INFO L268 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2020-07-28 19:04:28,445 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-28 19:04:28,445 INFO L264 CegarLoopResult]: At program point L577-1(lines 326 332) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2))) [2020-07-28 19:04:28,446 INFO L264 CegarLoopResult]: At program point L511(lines 496 514) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 19:04:28,446 INFO L264 CegarLoopResult]: At program point L511-1(lines 496 514) the Hoare annotation is: false [2020-07-28 19:04:28,446 INFO L264 CegarLoopResult]: At program point L511-2(lines 496 514) the Hoare annotation is: false [2020-07-28 19:04:28,446 INFO L268 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-07-28 19:04:28,446 INFO L268 CegarLoopResult]: For program point L184-3(lines 184 188) no Hoare annotation was computed. [2020-07-28 19:04:28,447 INFO L268 CegarLoopResult]: For program point L184-6(lines 184 188) no Hoare annotation was computed. [2020-07-28 19:04:28,447 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2020-07-28 19:04:28,447 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:04:28,447 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-28 19:04:28,447 INFO L268 CegarLoopResult]: For program point L384(lines 384 401) no Hoare annotation was computed. [2020-07-28 19:04:28,447 INFO L268 CegarLoopResult]: For program point L384-1(lines 384 401) no Hoare annotation was computed. [2020-07-28 19:04:28,448 INFO L268 CegarLoopResult]: For program point L384-2(lines 384 401) no Hoare annotation was computed. [2020-07-28 19:04:28,448 INFO L264 CegarLoopResult]: At program point L253(lines 248 256) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 1) .cse5) (and .cse6 .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse5 .cse7) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse7) (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse0 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) .cse1 .cse2 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) .cse3 .cse4 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (not (= 0 ULTIMATE.start_processEnvironment_~tmp~3)) .cse5))) [2020-07-28 19:04:28,448 INFO L264 CegarLoopResult]: At program point L253-1(lines 248 256) the Hoare annotation is: false [2020-07-28 19:04:28,449 INFO L264 CegarLoopResult]: At program point L253-2(lines 248 256) the Hoare annotation is: false [2020-07-28 19:04:28,449 INFO L268 CegarLoopResult]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-07-28 19:04:28,449 INFO L264 CegarLoopResult]: At program point L551-1(lines 551 557) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) .cse6 .cse3 .cse4))) [2020-07-28 19:04:28,449 INFO L268 CegarLoopResult]: For program point L155(lines 155 168) no Hoare annotation was computed. [2020-07-28 19:04:28,450 INFO L264 CegarLoopResult]: At program point L155-1(lines 1 971) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse11 (<= ~waterLevel~0 1)) (.cse7 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)) (.cse9 (<= 1 ~waterLevel~0)) (.cse0 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse6 (<= 2 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse3 .cse7 .cse8 .cse9 .cse10 .cse11 .cse5) (and .cse2 .cse4 .cse3 .cse9 .cse10 .cse11 .cse5) (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) .cse3 .cse7 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) .cse8 .cse9 .cse10 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (not (= 0 ULTIMATE.start_processEnvironment_~tmp~3)) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse5 .cse6))) [2020-07-28 19:04:28,450 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 168) no Hoare annotation was computed. [2020-07-28 19:04:28,450 INFO L264 CegarLoopResult]: At program point L155-3(lines 1 971) the Hoare annotation is: false [2020-07-28 19:04:28,450 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-28 19:04:28,450 INFO L268 CegarLoopResult]: For program point L56-1(lines 326 332) no Hoare annotation was computed. [2020-07-28 19:04:28,451 INFO L268 CegarLoopResult]: For program point L155-4(lines 155 168) no Hoare annotation was computed. [2020-07-28 19:04:28,451 INFO L264 CegarLoopResult]: At program point L155-5(lines 1 971) the Hoare annotation is: false [2020-07-28 19:04:28,451 INFO L268 CegarLoopResult]: For program point L519(lines 519 525) no Hoare annotation was computed. [2020-07-28 19:04:28,451 INFO L264 CegarLoopResult]: At program point L519-1(lines 519 525) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 19:04:28,451 INFO L268 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,452 INFO L268 CegarLoopResult]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,452 INFO L268 CegarLoopResult]: For program point L486-3(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,452 INFO L268 CegarLoopResult]: For program point L486-5(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,452 INFO L268 CegarLoopResult]: For program point L486-6(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,452 INFO L268 CegarLoopResult]: For program point L486-8(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,452 INFO L268 CegarLoopResult]: For program point L486-9(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,453 INFO L268 CegarLoopResult]: For program point L486-11(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,453 INFO L268 CegarLoopResult]: For program point L486-12(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,453 INFO L268 CegarLoopResult]: For program point L486-14(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,453 INFO L268 CegarLoopResult]: For program point L486-15(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,453 INFO L268 CegarLoopResult]: For program point L486-17(lines 486 490) no Hoare annotation was computed. [2020-07-28 19:04:28,453 INFO L268 CegarLoopResult]: For program point L388(lines 388 396) no Hoare annotation was computed. [2020-07-28 19:04:28,454 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 396) no Hoare annotation was computed. [2020-07-28 19:04:28,454 INFO L268 CegarLoopResult]: For program point L388-2(lines 388 396) no Hoare annotation was computed. [2020-07-28 19:04:28,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:04:28,454 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-28 19:04:28,454 INFO L268 CegarLoopResult]: For program point L159-2(lines 159 165) no Hoare annotation was computed. [2020-07-28 19:04:28,454 INFO L268 CegarLoopResult]: For program point L159-4(lines 159 165) no Hoare annotation was computed. [2020-07-28 19:04:28,455 INFO L264 CegarLoopResult]: At program point L589(lines 540 590) the Hoare annotation is: false [2020-07-28 19:04:28,455 INFO L268 CegarLoopResult]: For program point L358(lines 358 375) no Hoare annotation was computed. [2020-07-28 19:04:28,455 INFO L268 CegarLoopResult]: For program point L358-1(lines 358 375) no Hoare annotation was computed. [2020-07-28 19:04:28,455 INFO L268 CegarLoopResult]: For program point L358-2(lines 358 375) no Hoare annotation was computed. [2020-07-28 19:04:28,455 INFO L268 CegarLoopResult]: For program point L358-3(lines 358 375) no Hoare annotation was computed. [2020-07-28 19:04:28,455 INFO L268 CegarLoopResult]: For program point L358-4(lines 358 375) no Hoare annotation was computed. [2020-07-28 19:04:28,456 INFO L268 CegarLoopResult]: For program point L358-5(lines 358 375) no Hoare annotation was computed. [2020-07-28 19:04:28,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:04:28,456 INFO L264 CegarLoopResult]: At program point L326(lines 325 344) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~pumpRunning~0) .cse3) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3))) [2020-07-28 19:04:28,456 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-07-28 19:04:28,456 INFO L264 CegarLoopResult]: At program point L326-2(lines 325 344) the Hoare annotation is: false [2020-07-28 19:04:28,457 INFO L264 CegarLoopResult]: At program point L326-3(lines 325 344) the Hoare annotation is: false [2020-07-28 19:04:28,457 INFO L264 CegarLoopResult]: At program point L492(lines 477 495) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 19:04:28,457 INFO L264 CegarLoopResult]: At program point L492-1(lines 477 495) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:04:28,458 INFO L264 CegarLoopResult]: At program point L492-2(lines 477 495) the Hoare annotation is: false [2020-07-28 19:04:28,458 INFO L264 CegarLoopResult]: At program point L492-3(lines 477 495) the Hoare annotation is: false [2020-07-28 19:04:28,458 INFO L264 CegarLoopResult]: At program point L492-4(lines 477 495) the Hoare annotation is: false [2020-07-28 19:04:28,458 INFO L264 CegarLoopResult]: At program point L492-5(lines 477 495) the Hoare annotation is: false [2020-07-28 19:04:28,458 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-07-28 19:04:28,458 INFO L268 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2020-07-28 19:04:28,459 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 267) no Hoare annotation was computed. [2020-07-28 19:04:28,459 INFO L268 CegarLoopResult]: For program point L261-3(lines 261 267) no Hoare annotation was computed. [2020-07-28 19:04:28,459 INFO L268 CegarLoopResult]: For program point L261-4(lines 261 267) no Hoare annotation was computed. [2020-07-28 19:04:28,459 INFO L268 CegarLoopResult]: For program point L261-5(lines 261 267) no Hoare annotation was computed. [2020-07-28 19:04:28,459 INFO L268 CegarLoopResult]: For program point L196(lines 196 200) no Hoare annotation was computed. [2020-07-28 19:04:28,460 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-28 19:04:28,460 INFO L271 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2020-07-28 19:04:28,460 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-28 19:04:28,460 INFO L268 CegarLoopResult]: For program point L362-1(lines 362 370) no Hoare annotation was computed. [2020-07-28 19:04:28,460 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-28 19:04:28,461 INFO L268 CegarLoopResult]: For program point L362-3(lines 362 370) no Hoare annotation was computed. [2020-07-28 19:04:28,461 INFO L268 CegarLoopResult]: For program point L362-4(lines 362 370) no Hoare annotation was computed. [2020-07-28 19:04:28,461 INFO L268 CegarLoopResult]: For program point L362-5(lines 362 370) no Hoare annotation was computed. [2020-07-28 19:04:28,461 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:04:28,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2020-07-28 19:04:28,461 INFO L268 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-07-28 19:04:28,462 INFO L264 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) .cse6 .cse3 .cse4))) [2020-07-28 19:04:28,462 INFO L264 CegarLoopResult]: At program point L266(lines 257 270) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 19:04:28,462 INFO L264 CegarLoopResult]: At program point L266-1(lines 257 270) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:04:28,463 INFO L264 CegarLoopResult]: At program point L266-2(lines 257 270) the Hoare annotation is: false [2020-07-28 19:04:28,463 INFO L264 CegarLoopResult]: At program point L266-3(lines 257 270) the Hoare annotation is: false [2020-07-28 19:04:28,463 INFO L264 CegarLoopResult]: At program point L266-4(lines 257 270) the Hoare annotation is: false [2020-07-28 19:04:28,463 INFO L264 CegarLoopResult]: At program point L266-5(lines 257 270) the Hoare annotation is: false [2020-07-28 19:04:28,468 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:04:28,468 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:04:28,472 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:04:28,473 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:04:28,473 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:04:28,475 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-28 19:04:28,475 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:28,475 WARN L170 areAnnotationChecker]: L326-1 has no Hoare annotation [2020-07-28 19:04:28,475 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-28 19:04:28,475 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L326-1 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L326-1 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L184-3 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L184-3 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L384-1 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L551 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L551 has no Hoare annotation [2020-07-28 19:04:28,476 WARN L170 areAnnotationChecker]: L384-1 has no Hoare annotation [2020-07-28 19:04:28,477 WARN L170 areAnnotationChecker]: L384-1 has no Hoare annotation [2020-07-28 19:04:28,477 WARN L170 areAnnotationChecker]: L196 has no Hoare annotation [2020-07-28 19:04:28,477 WARN L170 areAnnotationChecker]: L196 has no Hoare annotation [2020-07-28 19:04:28,477 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 19:04:28,477 WARN L170 areAnnotationChecker]: L505-3 has no Hoare annotation [2020-07-28 19:04:28,477 WARN L170 areAnnotationChecker]: L358-3 has no Hoare annotation [2020-07-28 19:04:28,477 WARN L170 areAnnotationChecker]: L358-3 has no Hoare annotation [2020-07-28 19:04:28,478 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-28 19:04:28,478 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 19:04:28,478 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 19:04:28,478 WARN L170 areAnnotationChecker]: L505-3 has no Hoare annotation [2020-07-28 19:04:28,478 WARN L170 areAnnotationChecker]: L505-3 has no Hoare annotation [2020-07-28 19:04:28,479 WARN L170 areAnnotationChecker]: L261-3 has no Hoare annotation [2020-07-28 19:04:28,479 WARN L170 areAnnotationChecker]: L261-3 has no Hoare annotation [2020-07-28 19:04:28,479 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-28 19:04:28,479 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-28 19:04:28,479 WARN L170 areAnnotationChecker]: L208 has no Hoare annotation [2020-07-28 19:04:28,479 WARN L170 areAnnotationChecker]: L208 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L505-5 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L486-9 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L388-1 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L486-9 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L486-9 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 19:04:28,480 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 19:04:28,481 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:04:28,481 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-28 19:04:28,482 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-28 19:04:28,482 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L388-1 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L388-1 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L486-11 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L602-1 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L602-1 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-28 19:04:28,483 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-28 19:04:28,485 WARN L170 areAnnotationChecker]: L519 has no Hoare annotation [2020-07-28 19:04:28,485 WARN L170 areAnnotationChecker]: L519 has no Hoare annotation [2020-07-28 19:04:28,485 WARN L170 areAnnotationChecker]: L358-2 has no Hoare annotation [2020-07-28 19:04:28,485 WARN L170 areAnnotationChecker]: L358-2 has no Hoare annotation [2020-07-28 19:04:28,485 WARN L170 areAnnotationChecker]: L362-3 has no Hoare annotation [2020-07-28 19:04:28,485 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:04:28,486 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:04:28,486 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-28 19:04:28,486 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-28 19:04:28,488 WARN L170 areAnnotationChecker]: L261-2 has no Hoare annotation [2020-07-28 19:04:28,488 WARN L170 areAnnotationChecker]: L261-2 has no Hoare annotation [2020-07-28 19:04:28,488 WARN L170 areAnnotationChecker]: L362-3 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L362-3 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L505 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L358-1 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L358-1 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L486-6 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L184-6 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L184-6 has no Hoare annotation [2020-07-28 19:04:28,489 WARN L170 areAnnotationChecker]: L384-2 has no Hoare annotation [2020-07-28 19:04:28,490 WARN L170 areAnnotationChecker]: L505 has no Hoare annotation [2020-07-28 19:04:28,490 WARN L170 areAnnotationChecker]: L505 has no Hoare annotation [2020-07-28 19:04:28,490 WARN L170 areAnnotationChecker]: L261-1 has no Hoare annotation [2020-07-28 19:04:28,490 WARN L170 areAnnotationChecker]: L261-1 has no Hoare annotation [2020-07-28 19:04:28,490 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-28 19:04:28,490 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-28 19:04:28,490 WARN L170 areAnnotationChecker]: L486-6 has no Hoare annotation [2020-07-28 19:04:28,491 WARN L170 areAnnotationChecker]: L486-6 has no Hoare annotation [2020-07-28 19:04:28,491 WARN L170 areAnnotationChecker]: L384-2 has no Hoare annotation [2020-07-28 19:04:28,491 WARN L170 areAnnotationChecker]: L384-2 has no Hoare annotation [2020-07-28 19:04:28,491 WARN L170 areAnnotationChecker]: L505-2 has no Hoare annotation [2020-07-28 19:04:28,491 WARN L170 areAnnotationChecker]: L486-3 has no Hoare annotation [2020-07-28 19:04:28,491 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:04:28,491 WARN L170 areAnnotationChecker]: L486-8 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L505-6 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L358-5 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L358-5 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L155-4 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L486-3 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L486-3 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-28 19:04:28,492 WARN L170 areAnnotationChecker]: L505-6 has no Hoare annotation [2020-07-28 19:04:28,493 WARN L170 areAnnotationChecker]: L505-6 has no Hoare annotation [2020-07-28 19:04:28,493 WARN L170 areAnnotationChecker]: L261-5 has no Hoare annotation [2020-07-28 19:04:28,493 WARN L170 areAnnotationChecker]: L261-5 has no Hoare annotation [2020-07-28 19:04:28,493 WARN L170 areAnnotationChecker]: L155-4 has no Hoare annotation [2020-07-28 19:04:28,493 WARN L170 areAnnotationChecker]: L155-4 has no Hoare annotation [2020-07-28 19:04:28,493 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-28 19:04:28,493 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-28 19:04:28,494 WARN L170 areAnnotationChecker]: L486-5 has no Hoare annotation [2020-07-28 19:04:28,494 WARN L170 areAnnotationChecker]: L602 has no Hoare annotation [2020-07-28 19:04:28,494 WARN L170 areAnnotationChecker]: L602 has no Hoare annotation [2020-07-28 19:04:28,494 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-28 19:04:28,494 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-28 19:04:28,495 WARN L170 areAnnotationChecker]: L505-8 has no Hoare annotation [2020-07-28 19:04:28,495 WARN L170 areAnnotationChecker]: L486-15 has no Hoare annotation [2020-07-28 19:04:28,495 WARN L170 areAnnotationChecker]: L159-4 has no Hoare annotation [2020-07-28 19:04:28,495 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-28 19:04:28,495 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-28 19:04:28,495 WARN L170 areAnnotationChecker]: L362-1 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L388-2 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L486-15 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L486-15 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L159-4 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L159-4 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L261 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L261 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L362-1 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L362-1 has no Hoare annotation [2020-07-28 19:04:28,496 WARN L170 areAnnotationChecker]: L388-2 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L388-2 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L486-17 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L602-2 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L602-2 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L486 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L358-4 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L358-4 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L362-5 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L486 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L486 has no Hoare annotation [2020-07-28 19:04:28,497 WARN L170 areAnnotationChecker]: L261-4 has no Hoare annotation [2020-07-28 19:04:28,498 WARN L170 areAnnotationChecker]: L261-4 has no Hoare annotation [2020-07-28 19:04:28,498 WARN L170 areAnnotationChecker]: L362-5 has no Hoare annotation [2020-07-28 19:04:28,498 WARN L170 areAnnotationChecker]: L362-5 has no Hoare annotation [2020-07-28 19:04:28,498 WARN L170 areAnnotationChecker]: L486-2 has no Hoare annotation [2020-07-28 19:04:28,498 WARN L170 areAnnotationChecker]: L486-12 has no Hoare annotation [2020-07-28 19:04:28,498 WARN L170 areAnnotationChecker]: L362 has no Hoare annotation [2020-07-28 19:04:28,498 WARN L170 areAnnotationChecker]: L486-12 has no Hoare annotation [2020-07-28 19:04:28,499 WARN L170 areAnnotationChecker]: L486-12 has no Hoare annotation [2020-07-28 19:04:28,499 WARN L170 areAnnotationChecker]: L362 has no Hoare annotation [2020-07-28 19:04:28,499 WARN L170 areAnnotationChecker]: L362 has no Hoare annotation [2020-07-28 19:04:28,500 WARN L170 areAnnotationChecker]: L486-14 has no Hoare annotation [2020-07-28 19:04:28,500 WARN L170 areAnnotationChecker]: L362-4 has no Hoare annotation [2020-07-28 19:04:28,500 WARN L170 areAnnotationChecker]: L362-4 has no Hoare annotation [2020-07-28 19:04:28,500 WARN L170 areAnnotationChecker]: L362-4 has no Hoare annotation [2020-07-28 19:04:28,500 INFO L163 areAnnotationChecker]: CFG has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:04:28,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:04:28 BoogieIcfgContainer [2020-07-28 19:04:28,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:04:28,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:04:28,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:04:28,534 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:04:28,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:56" (3/4) ... [2020-07-28 19:04:28,538 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:04:28,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:04:28,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:04:28,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:04:28,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:04:28,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:04:28,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:28,564 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:04:28,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && \result == systemActive) && 1 == systemActive [2020-07-28 19:04:28,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && \result == systemActive) && 1 == tmp) && 1 == systemActive [2020-07-28 19:04:28,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 <= tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && 2 <= \result) || (((((((0 == splverifierCounter && 1 == \result) && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == tmp)) || ((((((0 == splverifierCounter && !(0 == systemActive)) && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == tmp)) || (((((((((((0 == \result && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == \result) && 1 <= \result) && !(0 == \result)) && 1 <= tmp) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && !(0 == tmp)) && 1 == tmp)) || ((((((2 <= tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) [2020-07-28 19:04:28,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp)) || ((((((0 == splverifierCounter && 1 == \result) && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) [2020-07-28 19:04:28,597 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp)) || ((((((0 == splverifierCounter && 1 == \result) && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) [2020-07-28 19:04:28,597 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) [2020-07-28 19:04:28,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 1 == tmp) [2020-07-28 19:04:28,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) [2020-07-28 19:04:28,599 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:04:28,599 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == splverifierCounter && 1 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == tmp) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && 2 <= \result)) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result)) || ((((((((((0 == \result && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == \result) && 1 <= \result) && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && !(0 == tmp)) && 1 == tmp) [2020-07-28 19:04:28,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 1 == tmp [2020-07-28 19:04:28,601 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && !(0 == \result)) && 1 == tmp) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) [2020-07-28 19:04:28,602 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && !(0 == \result)) && 0 == tmp) && 1 == tmp [2020-07-28 19:04:28,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0 == tmp) && 0 == tmp___0) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 1 == tmp) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) [2020-07-28 19:04:28,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == \result && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 0 == tmp) && !(0 == \result)) && 1 == tmp [2020-07-28 19:04:28,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == \result && !(0 == tmp)) && 0 == tmp___0) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && waterLevel <= 1) && 0 == tmp) && 1 == tmp [2020-07-28 19:04:28,669 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:04:28,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:04:28,671 INFO L168 Benchmark]: Toolchain (without parser) took 34997.53 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 591.4 MB). Free memory was 961.6 MB in the beginning and 996.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 556.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:28,672 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:04:28,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:28,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.91 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:28,673 INFO L168 Benchmark]: Boogie Preprocessor took 57.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:28,673 INFO L168 Benchmark]: RCFGBuilder took 1704.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.2 MB in the end (delta: 167.1 MB). Peak memory consumption was 167.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:28,674 INFO L168 Benchmark]: TraceAbstraction took 32296.00 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 448.8 MB). Free memory was 938.2 MB in the beginning and 1.0 GB in the end (delta: -73.5 MB). Peak memory consumption was 375.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:28,674 INFO L168 Benchmark]: Witness Printer took 136.09 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 996.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:04:28,677 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 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 674.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.91 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1704.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.2 MB in the end (delta: 167.1 MB). Peak memory consumption was 167.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32296.00 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 448.8 MB). Free memory was 938.2 MB in the beginning and 1.0 GB in the end (delta: -73.5 MB). Peak memory consumption was 375.3 MB. Max. memory is 11.5 GB. * Witness Printer took 136.09 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 996.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 602]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 602]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 602]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((2 <= tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && 2 <= \result) || (((((((0 == splverifierCounter && 1 == \result) && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == tmp)) || ((((((0 == splverifierCounter && !(0 == systemActive)) && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == tmp)) || (((((((((((0 == \result && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == \result) && 1 <= \result) && !(0 == \result)) && 1 <= tmp) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && !(0 == tmp)) && 1 == tmp)) || ((((((2 <= tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 == tmp) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((0 == \result && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 1 == tmp - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((((((0 == \result && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && !(0 == \result)) && 0 == tmp) && 1 == tmp - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: ((((((((0 == \result && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 0 == tmp) && !(0 == \result)) && 1 == tmp - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp)) || ((((((0 == splverifierCounter && 1 == \result) && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && \result == systemActive) && 1 == tmp) && 1 == systemActive - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((((((((0 == \result && !(0 == tmp)) && 0 == tmp___0) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && waterLevel <= 1) && 0 == tmp) && 1 == tmp - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 1 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == tmp) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && 2 <= \result)) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result)) || ((((((((((0 == \result && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == \result) && 1 <= \result) && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == tmp) && !(0 == tmp)) && 1 == tmp) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((((((!(0 == tmp) && 0 == tmp___0) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 1 == tmp) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && !(0 == \result)) && 1 == tmp) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp)) || ((((((0 == splverifierCounter && 1 == \result) && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 1 == \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 1 <= waterLevel) && 1 == tmp) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 18.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1270 SDtfs, 2083 SDslu, 2162 SDs, 0 SdLazy, 338 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 968 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 194 NumberOfFragments, 797 HoareAnnotationTreeSize, 44 FomulaSimplifications, 291861 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 245664 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 39061 SizeOfPredicates, 4 NumberOfNonLiveVariables, 399 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 118/126 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...