./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product58.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_spec1_product58.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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:58:41,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:41,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:41,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:42,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:42,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:42,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:42,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:42,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:42,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:42,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:42,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:42,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:42,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:42,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:42,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:42,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:42,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:42,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:42,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:42,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:42,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:42,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:42,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:42,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:42,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:42,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:42,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:42,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:42,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:42,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:42,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:42,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:42,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:42,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:42,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:42,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:42,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:42,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:42,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:42,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:42,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:42,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:42,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:42,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:42,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:42,104 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:42,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:42,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:42,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:42,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:42,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:42,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:42,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:42,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:42,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:42,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:42,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:42,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:42,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:42,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:42,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:42,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:42,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:42,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:42,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:42,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:42,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:42,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:42,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:42,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:42,110 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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2020-07-28 18:58:42,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:42,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:42,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:42,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:42,441 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:42,442 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-07-28 18:58:42,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe1b844f/ed567dff6a9746fe86b472a9331fdddb/FLAG561a842ef [2020-07-28 18:58:43,063 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:43,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-07-28 18:58:43,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe1b844f/ed567dff6a9746fe86b472a9331fdddb/FLAG561a842ef [2020-07-28 18:58:43,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe1b844f/ed567dff6a9746fe86b472a9331fdddb [2020-07-28 18:58:43,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:43,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:43,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:43,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:43,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:43,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:43" (1/1) ... [2020-07-28 18:58:43,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e145db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:43, skipping insertion in model container [2020-07-28 18:58:43,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:43" (1/1) ... [2020-07-28 18:58:43,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:43,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:43,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:43,908 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:44,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:44,060 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:44,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44 WrapperNode [2020-07-28 18:58:44,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:44,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:44,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:44,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:44,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:44,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:44,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:44,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:44,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (1/1) ... [2020-07-28 18:58:44,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:44,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:44,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:44,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:44,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (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 18:58:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:45,992 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:45,993 INFO L295 CfgBuilder]: Removed 194 assume(true) statements. [2020-07-28 18:58:45,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:45 BoogieIcfgContainer [2020-07-28 18:58:45,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:46,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:46,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:46,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:46,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:43" (1/3) ... [2020-07-28 18:58:46,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a78981f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:46, skipping insertion in model container [2020-07-28 18:58:46,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:44" (2/3) ... [2020-07-28 18:58:46,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a78981f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:46, skipping insertion in model container [2020-07-28 18:58:46,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:45" (3/3) ... [2020-07-28 18:58:46,010 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2020-07-28 18:58:46,024 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:46,034 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:46,051 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:46,080 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:46,080 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:46,081 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:46,081 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:46,081 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:46,082 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:46,082 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:46,082 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-07-28 18:58:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:46,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:46,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:46,112 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:46,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:46,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2020-07-28 18:58:46,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:46,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857513369] [2020-07-28 18:58:46,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:46,472 INFO L280 TraceCheckUtils]: 0: Hoare triple {138#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {138#true} is VALID [2020-07-28 18:58:46,473 INFO L280 TraceCheckUtils]: 1: Hoare triple {138#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {138#true} is VALID [2020-07-28 18:58:46,474 INFO L280 TraceCheckUtils]: 2: Hoare triple {138#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {138#true} is VALID [2020-07-28 18:58:46,474 INFO L280 TraceCheckUtils]: 3: Hoare triple {138#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {138#true} is VALID [2020-07-28 18:58:46,475 INFO L280 TraceCheckUtils]: 4: Hoare triple {138#true} assume 0 != main_~tmp~0; {138#true} is VALID [2020-07-28 18:58:46,476 INFO L280 TraceCheckUtils]: 5: Hoare triple {138#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {138#true} is VALID [2020-07-28 18:58:46,477 INFO L280 TraceCheckUtils]: 6: Hoare triple {138#true} assume !true; {139#false} is VALID [2020-07-28 18:58:46,477 INFO L280 TraceCheckUtils]: 7: Hoare triple {139#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {139#false} is VALID [2020-07-28 18:58:46,478 INFO L280 TraceCheckUtils]: 8: Hoare triple {139#false} assume !(0 != ~pumpRunning~0); {139#false} is VALID [2020-07-28 18:58:46,478 INFO L280 TraceCheckUtils]: 9: Hoare triple {139#false} assume !(0 != ~systemActive~0); {139#false} is VALID [2020-07-28 18:58:46,479 INFO L280 TraceCheckUtils]: 10: Hoare triple {139#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {139#false} is VALID [2020-07-28 18:58:46,479 INFO L280 TraceCheckUtils]: 11: Hoare triple {139#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {139#false} is VALID [2020-07-28 18:58:46,482 INFO L280 TraceCheckUtils]: 12: Hoare triple {139#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {139#false} is VALID [2020-07-28 18:58:46,482 INFO L280 TraceCheckUtils]: 13: Hoare triple {139#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {139#false} is VALID [2020-07-28 18:58:46,483 INFO L280 TraceCheckUtils]: 14: Hoare triple {139#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {139#false} is VALID [2020-07-28 18:58:46,483 INFO L280 TraceCheckUtils]: 15: Hoare triple {139#false} assume !false; {139#false} is VALID [2020-07-28 18:58:46,488 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 18:58:46,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857513369] [2020-07-28 18:58:46,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:46,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:46,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640743466] [2020-07-28 18:58:46,501 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:46,504 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:46,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:46,562 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 18:58:46,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:46,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:46,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:46,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:46,577 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2020-07-28 18:58:46,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,953 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2020-07-28 18:58:46,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:46,953 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:46,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 395 transitions. [2020-07-28 18:58:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 395 transitions. [2020-07-28 18:58:46,984 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 395 transitions. [2020-07-28 18:58:47,502 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 395 edges. 395 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:47,521 INFO L225 Difference]: With dead ends: 264 [2020-07-28 18:58:47,521 INFO L226 Difference]: Without dead ends: 131 [2020-07-28 18:58:47,525 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 18:58:47,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-28 18:58:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-07-28 18:58:47,595 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:47,596 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:47,597 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:47,597 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:47,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,606 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 18:58:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 18:58:47,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:47,608 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:47,608 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:47,608 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:47,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,616 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 18:58:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 18:58:47,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:47,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:47,618 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:47,619 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-28 18:58:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-07-28 18:58:47,627 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-07-28 18:58:47,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:47,628 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-07-28 18:58:47,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 18:58:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:47,629 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:47,630 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 18:58:47,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:47,630 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:47,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:47,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2020-07-28 18:58:47,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:47,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508535929] [2020-07-28 18:58:47,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:47,780 INFO L280 TraceCheckUtils]: 0: Hoare triple {959#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {959#true} is VALID [2020-07-28 18:58:47,780 INFO L280 TraceCheckUtils]: 1: Hoare triple {959#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {959#true} is VALID [2020-07-28 18:58:47,781 INFO L280 TraceCheckUtils]: 2: Hoare triple {959#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {959#true} is VALID [2020-07-28 18:58:47,781 INFO L280 TraceCheckUtils]: 3: Hoare triple {959#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {959#true} is VALID [2020-07-28 18:58:47,781 INFO L280 TraceCheckUtils]: 4: Hoare triple {959#true} assume 0 != main_~tmp~0; {959#true} is VALID [2020-07-28 18:58:47,782 INFO L280 TraceCheckUtils]: 5: Hoare triple {959#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {961#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:47,783 INFO L280 TraceCheckUtils]: 6: Hoare triple {961#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {961#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:47,784 INFO L280 TraceCheckUtils]: 7: Hoare triple {961#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {960#false} is VALID [2020-07-28 18:58:47,784 INFO L280 TraceCheckUtils]: 8: Hoare triple {960#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {960#false} is VALID [2020-07-28 18:58:47,785 INFO L280 TraceCheckUtils]: 9: Hoare triple {960#false} assume !(0 != ~pumpRunning~0); {960#false} is VALID [2020-07-28 18:58:47,785 INFO L280 TraceCheckUtils]: 10: Hoare triple {960#false} assume !(0 != ~systemActive~0); {960#false} is VALID [2020-07-28 18:58:47,785 INFO L280 TraceCheckUtils]: 11: Hoare triple {960#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {960#false} is VALID [2020-07-28 18:58:47,785 INFO L280 TraceCheckUtils]: 12: Hoare triple {960#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {960#false} is VALID [2020-07-28 18:58:47,786 INFO L280 TraceCheckUtils]: 13: Hoare triple {960#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {960#false} is VALID [2020-07-28 18:58:47,786 INFO L280 TraceCheckUtils]: 14: Hoare triple {960#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {960#false} is VALID [2020-07-28 18:58:47,786 INFO L280 TraceCheckUtils]: 15: Hoare triple {960#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {960#false} is VALID [2020-07-28 18:58:47,787 INFO L280 TraceCheckUtils]: 16: Hoare triple {960#false} assume !false; {960#false} is VALID [2020-07-28 18:58:47,788 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 18:58:47,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508535929] [2020-07-28 18:58:47,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:47,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:47,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102005417] [2020-07-28 18:58:47,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:47,791 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:47,791 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:47,819 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 18:58:47,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:47,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:47,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:47,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:47,821 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-07-28 18:58:48,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,065 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 18:58:48,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:48,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:48,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-07-28 18:58:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-07-28 18:58:48,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 189 transitions. [2020-07-28 18:58:48,283 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 189 edges. 189 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,285 INFO L225 Difference]: With dead ends: 131 [2020-07-28 18:58:48,285 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:58:48,287 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 18:58:48,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:58:48,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:58:48,307 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:48,307 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,308 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,308 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,311 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 18:58:48,311 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:48,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,312 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,312 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,315 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 18:58:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:48,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,316 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,316 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:48,316 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:58:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-07-28 18:58:48,319 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-07-28 18:58:48,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:48,320 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-07-28 18:58:48,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:48,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:48,321 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:48,321 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 18:58:48,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:48,322 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:48,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:48,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2020-07-28 18:58:48,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:48,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403234982] [2020-07-28 18:58:48,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:48,420 INFO L280 TraceCheckUtils]: 0: Hoare triple {1328#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1328#true} is VALID [2020-07-28 18:58:48,421 INFO L280 TraceCheckUtils]: 1: Hoare triple {1328#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {1328#true} is VALID [2020-07-28 18:58:48,422 INFO L280 TraceCheckUtils]: 2: Hoare triple {1328#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {1328#true} is VALID [2020-07-28 18:58:48,422 INFO L280 TraceCheckUtils]: 3: Hoare triple {1328#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1328#true} is VALID [2020-07-28 18:58:48,423 INFO L280 TraceCheckUtils]: 4: Hoare triple {1328#true} assume 0 != main_~tmp~0; {1328#true} is VALID [2020-07-28 18:58:48,423 INFO L280 TraceCheckUtils]: 5: Hoare triple {1328#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1328#true} is VALID [2020-07-28 18:58:48,424 INFO L280 TraceCheckUtils]: 6: Hoare triple {1328#true} assume !false; {1328#true} is VALID [2020-07-28 18:58:48,424 INFO L280 TraceCheckUtils]: 7: Hoare triple {1328#true} assume test_~splverifierCounter~0 < 4; {1328#true} is VALID [2020-07-28 18:58:48,424 INFO L280 TraceCheckUtils]: 8: Hoare triple {1328#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {1328#true} is VALID [2020-07-28 18:58:48,425 INFO L280 TraceCheckUtils]: 9: Hoare triple {1328#true} assume !(0 != test_~tmp~7); {1328#true} is VALID [2020-07-28 18:58:48,426 INFO L280 TraceCheckUtils]: 10: Hoare triple {1328#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {1328#true} is VALID [2020-07-28 18:58:48,426 INFO L280 TraceCheckUtils]: 11: Hoare triple {1328#true} assume !(0 != test_~tmp___0~3); {1328#true} is VALID [2020-07-28 18:58:48,427 INFO L280 TraceCheckUtils]: 12: Hoare triple {1328#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1328#true} is VALID [2020-07-28 18:58:48,428 INFO L280 TraceCheckUtils]: 13: Hoare triple {1328#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:48,429 INFO L280 TraceCheckUtils]: 14: Hoare triple {1330#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:48,430 INFO L280 TraceCheckUtils]: 15: Hoare triple {1330#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1329#false} is VALID [2020-07-28 18:58:48,431 INFO L280 TraceCheckUtils]: 16: Hoare triple {1329#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1329#false} is VALID [2020-07-28 18:58:48,432 INFO L280 TraceCheckUtils]: 17: Hoare triple {1329#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {1329#false} is VALID [2020-07-28 18:58:48,432 INFO L280 TraceCheckUtils]: 18: Hoare triple {1329#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1329#false} is VALID [2020-07-28 18:58:48,433 INFO L280 TraceCheckUtils]: 19: Hoare triple {1329#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {1329#false} is VALID [2020-07-28 18:58:48,433 INFO L280 TraceCheckUtils]: 20: Hoare triple {1329#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {1329#false} is VALID [2020-07-28 18:58:48,434 INFO L280 TraceCheckUtils]: 21: Hoare triple {1329#false} assume !false; {1329#false} is VALID [2020-07-28 18:58:48,435 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 18:58:48,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403234982] [2020-07-28 18:58:48,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:48,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:48,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954985815] [2020-07-28 18:58:48,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:48,438 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:48,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:48,477 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 18:58:48,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:48,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:48,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:48,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:48,478 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-07-28 18:58:48,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,725 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-07-28 18:58:48,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:48,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:48,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2020-07-28 18:58:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2020-07-28 18:58:48,730 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 146 transitions. [2020-07-28 18:58:48,919 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,921 INFO L225 Difference]: With dead ends: 100 [2020-07-28 18:58:48,921 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:58:48,922 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 18:58:48,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:58:48,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:58:48,956 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:48,957 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,957 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,957 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,960 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-07-28 18:58:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:58:48,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,961 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,961 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,961 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:48,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,963 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-07-28 18:58:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:58:48,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,964 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,964 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:48,964 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:58:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-07-28 18:58:48,966 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-07-28 18:58:48,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:48,967 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-07-28 18:58:48,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:58:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:48,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:48,968 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 18:58:48,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:48,968 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:48,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:48,968 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2020-07-28 18:58:48,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:48,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960938283] [2020-07-28 18:58:48,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:49,079 INFO L280 TraceCheckUtils]: 0: Hoare triple {1652#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,080 INFO L280 TraceCheckUtils]: 1: Hoare triple {1654#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,080 INFO L280 TraceCheckUtils]: 2: Hoare triple {1654#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,081 INFO L280 TraceCheckUtils]: 3: Hoare triple {1654#(= 0 ~pumpRunning~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,082 INFO L280 TraceCheckUtils]: 4: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,082 INFO L280 TraceCheckUtils]: 5: Hoare triple {1654#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,086 INFO L280 TraceCheckUtils]: 6: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !false; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,088 INFO L280 TraceCheckUtils]: 8: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,088 INFO L280 TraceCheckUtils]: 9: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~7); {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,089 INFO L280 TraceCheckUtils]: 10: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,090 INFO L280 TraceCheckUtils]: 11: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,090 INFO L280 TraceCheckUtils]: 12: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,091 INFO L280 TraceCheckUtils]: 13: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,091 INFO L280 TraceCheckUtils]: 14: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,092 INFO L280 TraceCheckUtils]: 15: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,093 INFO L280 TraceCheckUtils]: 16: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {1654#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:49,093 INFO L280 TraceCheckUtils]: 17: Hoare triple {1654#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1653#false} is VALID [2020-07-28 18:58:49,093 INFO L280 TraceCheckUtils]: 18: Hoare triple {1653#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1653#false} is VALID [2020-07-28 18:58:49,094 INFO L280 TraceCheckUtils]: 19: Hoare triple {1653#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {1653#false} is VALID [2020-07-28 18:58:49,094 INFO L280 TraceCheckUtils]: 20: Hoare triple {1653#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1653#false} is VALID [2020-07-28 18:58:49,095 INFO L280 TraceCheckUtils]: 21: Hoare triple {1653#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {1653#false} is VALID [2020-07-28 18:58:49,095 INFO L280 TraceCheckUtils]: 22: Hoare triple {1653#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {1653#false} is VALID [2020-07-28 18:58:49,095 INFO L280 TraceCheckUtils]: 23: Hoare triple {1653#false} assume !false; {1653#false} is VALID [2020-07-28 18:58:49,096 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 18:58:49,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960938283] [2020-07-28 18:58:49,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:49,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:49,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153538113] [2020-07-28 18:58:49,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:49,102 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:49,103 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:49,139 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 18:58:49,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:49,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:49,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:49,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:49,141 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-07-28 18:58:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,379 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-07-28 18:58:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:49,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2020-07-28 18:58:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2020-07-28 18:58:49,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 174 transitions. [2020-07-28 18:58:49,589 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:49,591 INFO L225 Difference]: With dead ends: 121 [2020-07-28 18:58:49,592 INFO L226 Difference]: Without dead ends: 74 [2020-07-28 18:58:49,593 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 18:58:49,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-28 18:58:49,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-07-28 18:58:49,659 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:49,659 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 72 states. [2020-07-28 18:58:49,659 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 72 states. [2020-07-28 18:58:49,660 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 72 states. [2020-07-28 18:58:49,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,663 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-07-28 18:58:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-07-28 18:58:49,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:49,664 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:49,664 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 74 states. [2020-07-28 18:58:49,664 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 74 states. [2020-07-28 18:58:49,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,667 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-07-28 18:58:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-07-28 18:58:49,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:49,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:49,668 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:49,668 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-28 18:58:49,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-07-28 18:58:49,671 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-07-28 18:58:49,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:49,671 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-07-28 18:58:49,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-07-28 18:58:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:49,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:49,672 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 18:58:49,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:49,673 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:49,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:49,674 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2020-07-28 18:58:49,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:49,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343550971] [2020-07-28 18:58:49,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:49,789 INFO L280 TraceCheckUtils]: 0: Hoare triple {2074#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,796 INFO L280 TraceCheckUtils]: 1: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,797 INFO L280 TraceCheckUtils]: 2: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,797 INFO L280 TraceCheckUtils]: 3: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,798 INFO L280 TraceCheckUtils]: 4: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~0; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,799 INFO L280 TraceCheckUtils]: 5: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,800 INFO L280 TraceCheckUtils]: 6: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume !false; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,800 INFO L280 TraceCheckUtils]: 7: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,801 INFO L280 TraceCheckUtils]: 8: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,802 INFO L280 TraceCheckUtils]: 9: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~7); {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,803 INFO L280 TraceCheckUtils]: 10: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,806 INFO L280 TraceCheckUtils]: 11: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~3); {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,807 INFO L280 TraceCheckUtils]: 12: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,809 INFO L280 TraceCheckUtils]: 13: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,810 INFO L280 TraceCheckUtils]: 14: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,811 INFO L280 TraceCheckUtils]: 15: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,812 INFO L280 TraceCheckUtils]: 16: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,813 INFO L280 TraceCheckUtils]: 17: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,813 INFO L280 TraceCheckUtils]: 18: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,814 INFO L280 TraceCheckUtils]: 19: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,815 INFO L280 TraceCheckUtils]: 20: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,815 INFO L280 TraceCheckUtils]: 21: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,816 INFO L280 TraceCheckUtils]: 22: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,817 INFO L280 TraceCheckUtils]: 23: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); {2076#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,817 INFO L280 TraceCheckUtils]: 24: Hoare triple {2076#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {2077#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:49,818 INFO L280 TraceCheckUtils]: 25: Hoare triple {2077#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {2078#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)} is VALID [2020-07-28 18:58:49,818 INFO L280 TraceCheckUtils]: 26: Hoare triple {2078#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {2075#false} is VALID [2020-07-28 18:58:49,819 INFO L280 TraceCheckUtils]: 27: Hoare triple {2075#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {2075#false} is VALID [2020-07-28 18:58:49,819 INFO L280 TraceCheckUtils]: 28: Hoare triple {2075#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {2075#false} is VALID [2020-07-28 18:58:49,819 INFO L280 TraceCheckUtils]: 29: Hoare triple {2075#false} assume !false; {2075#false} is VALID [2020-07-28 18:58:49,821 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 18:58:49,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343550971] [2020-07-28 18:58:49,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:49,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:49,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891937606] [2020-07-28 18:58:49,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:49,823 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:49,823 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:49,874 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 18:58:49,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:49,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:49,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:49,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:49,875 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-07-28 18:58:50,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:50,913 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2020-07-28 18:58:50,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:50,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:50,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 411 transitions. [2020-07-28 18:58:50,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:50,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 411 transitions. [2020-07-28 18:58:50,928 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 411 transitions. [2020-07-28 18:58:51,406 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 411 edges. 411 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:51,416 INFO L225 Difference]: With dead ends: 372 [2020-07-28 18:58:51,417 INFO L226 Difference]: Without dead ends: 306 [2020-07-28 18:58:51,418 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 18:58:51,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-07-28 18:58:51,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2020-07-28 18:58:51,615 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:51,615 INFO L82 GeneralOperation]: Start isEquivalent. First operand 306 states. Second operand 132 states. [2020-07-28 18:58:51,615 INFO L74 IsIncluded]: Start isIncluded. First operand 306 states. Second operand 132 states. [2020-07-28 18:58:51,615 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 132 states. [2020-07-28 18:58:51,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:51,627 INFO L93 Difference]: Finished difference Result 306 states and 438 transitions. [2020-07-28 18:58:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 438 transitions. [2020-07-28 18:58:51,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:51,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:51,628 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 306 states. [2020-07-28 18:58:51,628 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 306 states. [2020-07-28 18:58:51,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:51,641 INFO L93 Difference]: Finished difference Result 306 states and 438 transitions. [2020-07-28 18:58:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 438 transitions. [2020-07-28 18:58:51,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:51,643 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:51,643 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:51,643 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-28 18:58:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2020-07-28 18:58:51,648 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2020-07-28 18:58:51,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:51,649 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2020-07-28 18:58:51,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2020-07-28 18:58:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:51,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:51,651 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 18:58:51,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:51,651 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:51,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:51,652 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2020-07-28 18:58:51,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:51,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886467670] [2020-07-28 18:58:51,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:51,809 INFO L280 TraceCheckUtils]: 0: Hoare triple {3409#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,810 INFO L280 TraceCheckUtils]: 1: Hoare triple {3411#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,811 INFO L280 TraceCheckUtils]: 2: Hoare triple {3411#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,812 INFO L280 TraceCheckUtils]: 3: Hoare triple {3411#(= 0 ~pumpRunning~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,813 INFO L280 TraceCheckUtils]: 4: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,814 INFO L280 TraceCheckUtils]: 5: Hoare triple {3411#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,815 INFO L280 TraceCheckUtils]: 6: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume !false; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,815 INFO L280 TraceCheckUtils]: 7: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,816 INFO L280 TraceCheckUtils]: 8: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,817 INFO L280 TraceCheckUtils]: 9: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~7); {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,817 INFO L280 TraceCheckUtils]: 10: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,829 INFO L280 TraceCheckUtils]: 11: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~3; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,830 INFO L280 TraceCheckUtils]: 12: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,830 INFO L280 TraceCheckUtils]: 13: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,831 INFO L280 TraceCheckUtils]: 14: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,832 INFO L280 TraceCheckUtils]: 15: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,833 INFO L280 TraceCheckUtils]: 16: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,833 INFO L280 TraceCheckUtils]: 17: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,834 INFO L280 TraceCheckUtils]: 18: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,837 INFO L280 TraceCheckUtils]: 19: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,838 INFO L280 TraceCheckUtils]: 20: Hoare triple {3411#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,839 INFO L280 TraceCheckUtils]: 21: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,839 INFO L280 TraceCheckUtils]: 22: Hoare triple {3411#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,840 INFO L280 TraceCheckUtils]: 23: Hoare triple {3411#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,840 INFO L280 TraceCheckUtils]: 24: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,841 INFO L280 TraceCheckUtils]: 25: Hoare triple {3411#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,841 INFO L280 TraceCheckUtils]: 26: Hoare triple {3411#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {3411#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:51,842 INFO L280 TraceCheckUtils]: 27: Hoare triple {3411#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {3412#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:51,843 INFO L280 TraceCheckUtils]: 28: Hoare triple {3412#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {3413#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~2)} is VALID [2020-07-28 18:58:51,844 INFO L280 TraceCheckUtils]: 29: Hoare triple {3413#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~2)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {3410#false} is VALID [2020-07-28 18:58:51,844 INFO L280 TraceCheckUtils]: 30: Hoare triple {3410#false} assume !false; {3410#false} is VALID [2020-07-28 18:58:51,846 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 18:58:51,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886467670] [2020-07-28 18:58:51,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:51,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:51,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737502573] [2020-07-28 18:58:51,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:51,848 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:51,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:51,885 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 18:58:51,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:51,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:51,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:51,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:51,886 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2020-07-28 18:58:53,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,167 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2020-07-28 18:58:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:53,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:53,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 290 transitions. [2020-07-28 18:58:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 290 transitions. [2020-07-28 18:58:53,177 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 290 transitions. [2020-07-28 18:58:53,539 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 290 edges. 290 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:53,552 INFO L225 Difference]: With dead ends: 378 [2020-07-28 18:58:53,553 INFO L226 Difference]: Without dead ends: 376 [2020-07-28 18:58:53,554 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 18:58:53,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-07-28 18:58:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2020-07-28 18:58:53,759 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:53,760 INFO L82 GeneralOperation]: Start isEquivalent. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:53,760 INFO L74 IsIncluded]: Start isIncluded. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:53,760 INFO L87 Difference]: Start difference. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:53,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,792 INFO L93 Difference]: Finished difference Result 376 states and 532 transitions. [2020-07-28 18:58:53,792 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 532 transitions. [2020-07-28 18:58:53,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:53,796 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 376 states. [2020-07-28 18:58:53,796 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 376 states. [2020-07-28 18:58:53,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,809 INFO L93 Difference]: Finished difference Result 376 states and 532 transitions. [2020-07-28 18:58:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 532 transitions. [2020-07-28 18:58:53,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,810 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:53,810 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:53,811 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-28 18:58:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-07-28 18:58:53,814 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2020-07-28 18:58:53,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:53,815 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-07-28 18:58:53,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-07-28 18:58:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:53,819 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:53,820 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, 1, 1, 1] [2020-07-28 18:58:53,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:53,820 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:53,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:53,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2020-07-28 18:58:53,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:53,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654157916] [2020-07-28 18:58:53,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:53,923 INFO L280 TraceCheckUtils]: 0: Hoare triple {4894#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {4894#true} is VALID [2020-07-28 18:58:53,924 INFO L280 TraceCheckUtils]: 1: Hoare triple {4894#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {4894#true} is VALID [2020-07-28 18:58:53,924 INFO L280 TraceCheckUtils]: 2: Hoare triple {4894#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {4894#true} is VALID [2020-07-28 18:58:53,924 INFO L280 TraceCheckUtils]: 3: Hoare triple {4894#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {4894#true} is VALID [2020-07-28 18:58:53,924 INFO L280 TraceCheckUtils]: 4: Hoare triple {4894#true} assume 0 != main_~tmp~0; {4894#true} is VALID [2020-07-28 18:58:53,924 INFO L280 TraceCheckUtils]: 5: Hoare triple {4894#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4894#true} is VALID [2020-07-28 18:58:53,925 INFO L280 TraceCheckUtils]: 6: Hoare triple {4894#true} assume !false; {4894#true} is VALID [2020-07-28 18:58:53,925 INFO L280 TraceCheckUtils]: 7: Hoare triple {4894#true} assume test_~splverifierCounter~0 < 4; {4894#true} is VALID [2020-07-28 18:58:53,925 INFO L280 TraceCheckUtils]: 8: Hoare triple {4894#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {4894#true} is VALID [2020-07-28 18:58:53,926 INFO L280 TraceCheckUtils]: 9: Hoare triple {4894#true} assume !(0 != test_~tmp~7); {4894#true} is VALID [2020-07-28 18:58:53,926 INFO L280 TraceCheckUtils]: 10: Hoare triple {4894#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {4894#true} is VALID [2020-07-28 18:58:53,926 INFO L280 TraceCheckUtils]: 11: Hoare triple {4894#true} assume 0 != test_~tmp___0~3; {4894#true} is VALID [2020-07-28 18:58:53,926 INFO L280 TraceCheckUtils]: 12: Hoare triple {4894#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4894#true} is VALID [2020-07-28 18:58:53,927 INFO L280 TraceCheckUtils]: 13: Hoare triple {4894#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {4894#true} is VALID [2020-07-28 18:58:53,927 INFO L280 TraceCheckUtils]: 14: Hoare triple {4894#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4894#true} is VALID [2020-07-28 18:58:53,927 INFO L280 TraceCheckUtils]: 15: Hoare triple {4894#true} assume !(0 != ~pumpRunning~0); {4894#true} is VALID [2020-07-28 18:58:53,927 INFO L280 TraceCheckUtils]: 16: Hoare triple {4894#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {4894#true} is VALID [2020-07-28 18:58:53,927 INFO L280 TraceCheckUtils]: 17: Hoare triple {4894#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {4894#true} is VALID [2020-07-28 18:58:53,928 INFO L280 TraceCheckUtils]: 18: Hoare triple {4894#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {4894#true} is VALID [2020-07-28 18:58:53,928 INFO L280 TraceCheckUtils]: 19: Hoare triple {4894#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {4894#true} is VALID [2020-07-28 18:58:53,928 INFO L280 TraceCheckUtils]: 20: Hoare triple {4894#true} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {4894#true} is VALID [2020-07-28 18:58:53,929 INFO L280 TraceCheckUtils]: 21: Hoare triple {4894#true} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; {4896#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} is VALID [2020-07-28 18:58:53,930 INFO L280 TraceCheckUtils]: 22: Hoare triple {4896#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {4897#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:53,931 INFO L280 TraceCheckUtils]: 23: Hoare triple {4897#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {4898#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} is VALID [2020-07-28 18:58:53,931 INFO L280 TraceCheckUtils]: 24: Hoare triple {4898#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc activatePump_#t~ret13, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret14, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {4895#false} is VALID [2020-07-28 18:58:53,932 INFO L280 TraceCheckUtils]: 25: Hoare triple {4895#false} isMethaneAlarm_#t~ret14 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret14 && isMethaneAlarm_#t~ret14 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret14;havoc isMethaneAlarm_#t~ret14;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {4895#false} is VALID [2020-07-28 18:58:53,932 INFO L280 TraceCheckUtils]: 26: Hoare triple {4895#false} activatePump_#t~ret13 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret13 && activatePump_#t~ret13 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret13;havoc activatePump_#t~ret13; {4895#false} is VALID [2020-07-28 18:58:53,932 INFO L280 TraceCheckUtils]: 27: Hoare triple {4895#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {4895#false} is VALID [2020-07-28 18:58:53,932 INFO L280 TraceCheckUtils]: 28: Hoare triple {4895#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {4895#false} is VALID [2020-07-28 18:58:53,933 INFO L280 TraceCheckUtils]: 29: Hoare triple {4895#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {4895#false} is VALID [2020-07-28 18:58:53,933 INFO L280 TraceCheckUtils]: 30: Hoare triple {4895#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {4895#false} is VALID [2020-07-28 18:58:53,933 INFO L280 TraceCheckUtils]: 31: Hoare triple {4895#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {4895#false} is VALID [2020-07-28 18:58:53,935 INFO L280 TraceCheckUtils]: 32: Hoare triple {4895#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {4895#false} is VALID [2020-07-28 18:58:53,935 INFO L280 TraceCheckUtils]: 33: Hoare triple {4895#false} assume !false; {4895#false} is VALID [2020-07-28 18:58:53,937 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 18:58:53,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654157916] [2020-07-28 18:58:53,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:53,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:53,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701378596] [2020-07-28 18:58:53,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:53,940 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:53,941 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:53,979 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:53,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:53,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:53,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:53,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:53,980 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2020-07-28 18:58:54,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:54,905 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2020-07-28 18:58:54,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:54,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:54,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 203 transitions. [2020-07-28 18:58:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 203 transitions. [2020-07-28 18:58:54,910 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 203 transitions. [2020-07-28 18:58:55,133 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:55,138 INFO L225 Difference]: With dead ends: 344 [2020-07-28 18:58:55,139 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 18:58:55,140 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 18:58:55,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 18:58:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2020-07-28 18:58:55,367 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:55,367 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 144 states. [2020-07-28 18:58:55,367 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 144 states. [2020-07-28 18:58:55,367 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 144 states. [2020-07-28 18:58:55,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:55,373 INFO L93 Difference]: Finished difference Result 218 states and 294 transitions. [2020-07-28 18:58:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 294 transitions. [2020-07-28 18:58:55,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:55,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:55,374 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 218 states. [2020-07-28 18:58:55,375 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 218 states. [2020-07-28 18:58:55,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:55,380 INFO L93 Difference]: Finished difference Result 218 states and 294 transitions. [2020-07-28 18:58:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 294 transitions. [2020-07-28 18:58:55,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:55,381 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:55,381 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:55,382 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-28 18:58:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2020-07-28 18:58:55,385 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2020-07-28 18:58:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:55,386 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2020-07-28 18:58:55,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2020-07-28 18:58:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:55,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:55,387 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, 1, 1, 1] [2020-07-28 18:58:55,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:55,388 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:55,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:55,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2020-07-28 18:58:55,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:55,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942914615] [2020-07-28 18:58:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:55,444 INFO L280 TraceCheckUtils]: 0: Hoare triple {6025#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {6025#true} is VALID [2020-07-28 18:58:55,445 INFO L280 TraceCheckUtils]: 1: Hoare triple {6025#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {6025#true} is VALID [2020-07-28 18:58:55,445 INFO L280 TraceCheckUtils]: 2: Hoare triple {6025#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {6025#true} is VALID [2020-07-28 18:58:55,445 INFO L280 TraceCheckUtils]: 3: Hoare triple {6025#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {6025#true} is VALID [2020-07-28 18:58:55,445 INFO L280 TraceCheckUtils]: 4: Hoare triple {6025#true} assume 0 != main_~tmp~0; {6025#true} is VALID [2020-07-28 18:58:55,445 INFO L280 TraceCheckUtils]: 5: Hoare triple {6025#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6025#true} is VALID [2020-07-28 18:58:55,446 INFO L280 TraceCheckUtils]: 6: Hoare triple {6025#true} assume !false; {6025#true} is VALID [2020-07-28 18:58:55,446 INFO L280 TraceCheckUtils]: 7: Hoare triple {6025#true} assume test_~splverifierCounter~0 < 4; {6025#true} is VALID [2020-07-28 18:58:55,446 INFO L280 TraceCheckUtils]: 8: Hoare triple {6025#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {6025#true} is VALID [2020-07-28 18:58:55,447 INFO L280 TraceCheckUtils]: 9: Hoare triple {6025#true} assume !(0 != test_~tmp~7); {6025#true} is VALID [2020-07-28 18:58:55,447 INFO L280 TraceCheckUtils]: 10: Hoare triple {6025#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {6025#true} is VALID [2020-07-28 18:58:55,447 INFO L280 TraceCheckUtils]: 11: Hoare triple {6025#true} assume 0 != test_~tmp___0~3; {6025#true} is VALID [2020-07-28 18:58:55,447 INFO L280 TraceCheckUtils]: 12: Hoare triple {6025#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6025#true} is VALID [2020-07-28 18:58:55,448 INFO L280 TraceCheckUtils]: 13: Hoare triple {6025#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {6025#true} is VALID [2020-07-28 18:58:55,448 INFO L280 TraceCheckUtils]: 14: Hoare triple {6025#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6025#true} is VALID [2020-07-28 18:58:55,448 INFO L280 TraceCheckUtils]: 15: Hoare triple {6025#true} assume !(0 != ~pumpRunning~0); {6025#true} is VALID [2020-07-28 18:58:55,449 INFO L280 TraceCheckUtils]: 16: Hoare triple {6025#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {6025#true} is VALID [2020-07-28 18:58:55,449 INFO L280 TraceCheckUtils]: 17: Hoare triple {6025#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {6025#true} is VALID [2020-07-28 18:58:55,449 INFO L280 TraceCheckUtils]: 18: Hoare triple {6025#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {6025#true} is VALID [2020-07-28 18:58:55,450 INFO L280 TraceCheckUtils]: 19: Hoare triple {6025#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {6027#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 18:58:55,451 INFO L280 TraceCheckUtils]: 20: Hoare triple {6027#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {6028#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} is VALID [2020-07-28 18:58:55,452 INFO L280 TraceCheckUtils]: 21: Hoare triple {6028#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {6026#false} is VALID [2020-07-28 18:58:55,452 INFO L280 TraceCheckUtils]: 22: Hoare triple {6026#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {6026#false} is VALID [2020-07-28 18:58:55,452 INFO L280 TraceCheckUtils]: 23: Hoare triple {6026#false} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {6026#false} is VALID [2020-07-28 18:58:55,453 INFO L280 TraceCheckUtils]: 24: Hoare triple {6026#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc activatePump_#t~ret13, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret14, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {6026#false} is VALID [2020-07-28 18:58:55,453 INFO L280 TraceCheckUtils]: 25: Hoare triple {6026#false} isMethaneAlarm_#t~ret14 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret14 && isMethaneAlarm_#t~ret14 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret14;havoc isMethaneAlarm_#t~ret14;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {6026#false} is VALID [2020-07-28 18:58:55,453 INFO L280 TraceCheckUtils]: 26: Hoare triple {6026#false} activatePump_#t~ret13 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret13 && activatePump_#t~ret13 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret13;havoc activatePump_#t~ret13; {6026#false} is VALID [2020-07-28 18:58:55,454 INFO L280 TraceCheckUtils]: 27: Hoare triple {6026#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {6026#false} is VALID [2020-07-28 18:58:55,454 INFO L280 TraceCheckUtils]: 28: Hoare triple {6026#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {6026#false} is VALID [2020-07-28 18:58:55,454 INFO L280 TraceCheckUtils]: 29: Hoare triple {6026#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {6026#false} is VALID [2020-07-28 18:58:55,454 INFO L280 TraceCheckUtils]: 30: Hoare triple {6026#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {6026#false} is VALID [2020-07-28 18:58:55,454 INFO L280 TraceCheckUtils]: 31: Hoare triple {6026#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {6026#false} is VALID [2020-07-28 18:58:55,455 INFO L280 TraceCheckUtils]: 32: Hoare triple {6026#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {6026#false} is VALID [2020-07-28 18:58:55,455 INFO L280 TraceCheckUtils]: 33: Hoare triple {6026#false} assume !false; {6026#false} is VALID [2020-07-28 18:58:55,456 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 18:58:55,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942914615] [2020-07-28 18:58:55,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:55,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:55,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128216750] [2020-07-28 18:58:55,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-28 18:58:55,458 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:55,458 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:58:55,500 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:55,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:58:55,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:55,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:58:55,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:58:55,501 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 4 states. [2020-07-28 18:58:56,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:56,273 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2020-07-28 18:58:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:58:56,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-28 18:58:56,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 181 transitions. [2020-07-28 18:58:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 181 transitions. [2020-07-28 18:58:56,276 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 181 transitions. [2020-07-28 18:58:56,480 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:56,487 INFO L225 Difference]: With dead ends: 340 [2020-07-28 18:58:56,487 INFO L226 Difference]: Without dead ends: 202 [2020-07-28 18:58:56,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:56,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-28 18:58:56,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2020-07-28 18:58:56,774 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:56,774 INFO L82 GeneralOperation]: Start isEquivalent. First operand 202 states. Second operand 152 states. [2020-07-28 18:58:56,774 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 152 states. [2020-07-28 18:58:56,774 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 152 states. [2020-07-28 18:58:56,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:56,779 INFO L93 Difference]: Finished difference Result 202 states and 266 transitions. [2020-07-28 18:58:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 266 transitions. [2020-07-28 18:58:56,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:56,780 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:56,781 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 202 states. [2020-07-28 18:58:56,781 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 202 states. [2020-07-28 18:58:56,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:56,785 INFO L93 Difference]: Finished difference Result 202 states and 266 transitions. [2020-07-28 18:58:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 266 transitions. [2020-07-28 18:58:56,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:56,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:56,787 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:56,787 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:56,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-28 18:58:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2020-07-28 18:58:56,791 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2020-07-28 18:58:56,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:56,791 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2020-07-28 18:58:56,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:58:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2020-07-28 18:58:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:56,792 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:56,792 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, 1, 1, 1] [2020-07-28 18:58:56,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:56,793 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:56,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:56,794 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2020-07-28 18:58:56,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:56,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891291311] [2020-07-28 18:58:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:56,849 INFO L280 TraceCheckUtils]: 0: Hoare triple {7125#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,850 INFO L280 TraceCheckUtils]: 1: Hoare triple {7127#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,851 INFO L280 TraceCheckUtils]: 2: Hoare triple {7127#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,851 INFO L280 TraceCheckUtils]: 3: Hoare triple {7127#(= 1 ~waterLevel~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,852 INFO L280 TraceCheckUtils]: 4: Hoare triple {7127#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,853 INFO L280 TraceCheckUtils]: 5: Hoare triple {7127#(= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,854 INFO L280 TraceCheckUtils]: 6: Hoare triple {7127#(= 1 ~waterLevel~0)} assume !false; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,854 INFO L280 TraceCheckUtils]: 7: Hoare triple {7127#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,855 INFO L280 TraceCheckUtils]: 8: Hoare triple {7127#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,856 INFO L280 TraceCheckUtils]: 9: Hoare triple {7127#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~7); {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,857 INFO L280 TraceCheckUtils]: 10: Hoare triple {7127#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,860 INFO L280 TraceCheckUtils]: 11: Hoare triple {7127#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~3; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,866 INFO L280 TraceCheckUtils]: 12: Hoare triple {7127#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,867 INFO L280 TraceCheckUtils]: 13: Hoare triple {7127#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,867 INFO L280 TraceCheckUtils]: 14: Hoare triple {7127#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,868 INFO L280 TraceCheckUtils]: 15: Hoare triple {7127#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,869 INFO L280 TraceCheckUtils]: 16: Hoare triple {7127#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,870 INFO L280 TraceCheckUtils]: 17: Hoare triple {7127#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,871 INFO L280 TraceCheckUtils]: 18: Hoare triple {7127#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {7127#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:56,872 INFO L280 TraceCheckUtils]: 19: Hoare triple {7127#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {7126#false} is VALID [2020-07-28 18:58:56,872 INFO L280 TraceCheckUtils]: 20: Hoare triple {7126#false} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {7126#false} is VALID [2020-07-28 18:58:56,872 INFO L280 TraceCheckUtils]: 21: Hoare triple {7126#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {7126#false} is VALID [2020-07-28 18:58:56,872 INFO L280 TraceCheckUtils]: 22: Hoare triple {7126#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {7126#false} is VALID [2020-07-28 18:58:56,873 INFO L280 TraceCheckUtils]: 23: Hoare triple {7126#false} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {7126#false} is VALID [2020-07-28 18:58:56,873 INFO L280 TraceCheckUtils]: 24: Hoare triple {7126#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc activatePump_#t~ret13, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret14, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {7126#false} is VALID [2020-07-28 18:58:56,873 INFO L280 TraceCheckUtils]: 25: Hoare triple {7126#false} isMethaneAlarm_#t~ret14 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret14 && isMethaneAlarm_#t~ret14 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret14;havoc isMethaneAlarm_#t~ret14;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {7126#false} is VALID [2020-07-28 18:58:56,873 INFO L280 TraceCheckUtils]: 26: Hoare triple {7126#false} activatePump_#t~ret13 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret13 && activatePump_#t~ret13 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret13;havoc activatePump_#t~ret13; {7126#false} is VALID [2020-07-28 18:58:56,874 INFO L280 TraceCheckUtils]: 27: Hoare triple {7126#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {7126#false} is VALID [2020-07-28 18:58:56,874 INFO L280 TraceCheckUtils]: 28: Hoare triple {7126#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {7126#false} is VALID [2020-07-28 18:58:56,874 INFO L280 TraceCheckUtils]: 29: Hoare triple {7126#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {7126#false} is VALID [2020-07-28 18:58:56,875 INFO L280 TraceCheckUtils]: 30: Hoare triple {7126#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {7126#false} is VALID [2020-07-28 18:58:56,875 INFO L280 TraceCheckUtils]: 31: Hoare triple {7126#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {7126#false} is VALID [2020-07-28 18:58:56,875 INFO L280 TraceCheckUtils]: 32: Hoare triple {7126#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {7126#false} is VALID [2020-07-28 18:58:56,875 INFO L280 TraceCheckUtils]: 33: Hoare triple {7126#false} assume !false; {7126#false} is VALID [2020-07-28 18:58:56,877 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 18:58:56,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891291311] [2020-07-28 18:58:56,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:56,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:56,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600422765] [2020-07-28 18:58:56,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 18:58:56,879 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:56,880 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:56,926 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:56,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:56,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:56,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:56,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:56,927 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2020-07-28 18:58:57,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:57,499 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2020-07-28 18:58:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:57,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 18:58:57,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2020-07-28 18:58:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:57,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2020-07-28 18:58:57,504 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 176 transitions. [2020-07-28 18:58:57,690 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 176 edges. 176 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:57,696 INFO L225 Difference]: With dead ends: 348 [2020-07-28 18:58:57,696 INFO L226 Difference]: Without dead ends: 202 [2020-07-28 18:58:57,697 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 18:58:57,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-28 18:58:58,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-07-28 18:58:58,072 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:58,072 INFO L82 GeneralOperation]: Start isEquivalent. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:58,073 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:58,073 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:58,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:58,077 INFO L93 Difference]: Finished difference Result 202 states and 264 transitions. [2020-07-28 18:58:58,078 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-07-28 18:58:58,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:58,078 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:58,078 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:58,079 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:58,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:58,083 INFO L93 Difference]: Finished difference Result 202 states and 264 transitions. [2020-07-28 18:58:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-07-28 18:58:58,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:58,084 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:58,084 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:58,085 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 18:58:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2020-07-28 18:58:58,090 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2020-07-28 18:58:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:58,091 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2020-07-28 18:58:58,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-07-28 18:58:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 18:58:58,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:58,092 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, 1, 1, 1, 1] [2020-07-28 18:58:58,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:58,093 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:58,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:58,093 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2020-07-28 18:58:58,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:58,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128210336] [2020-07-28 18:58:58,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:58,213 INFO L280 TraceCheckUtils]: 0: Hoare triple {8302#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {8302#true} is VALID [2020-07-28 18:58:58,213 INFO L280 TraceCheckUtils]: 1: Hoare triple {8302#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {8302#true} is VALID [2020-07-28 18:58:58,213 INFO L280 TraceCheckUtils]: 2: Hoare triple {8302#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {8302#true} is VALID [2020-07-28 18:58:58,213 INFO L280 TraceCheckUtils]: 3: Hoare triple {8302#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {8302#true} is VALID [2020-07-28 18:58:58,214 INFO L280 TraceCheckUtils]: 4: Hoare triple {8302#true} assume 0 != main_~tmp~0; {8302#true} is VALID [2020-07-28 18:58:58,214 INFO L280 TraceCheckUtils]: 5: Hoare triple {8302#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8302#true} is VALID [2020-07-28 18:58:58,214 INFO L280 TraceCheckUtils]: 6: Hoare triple {8302#true} assume !false; {8302#true} is VALID [2020-07-28 18:58:58,215 INFO L280 TraceCheckUtils]: 7: Hoare triple {8302#true} assume test_~splverifierCounter~0 < 4; {8302#true} is VALID [2020-07-28 18:58:58,215 INFO L280 TraceCheckUtils]: 8: Hoare triple {8302#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {8302#true} is VALID [2020-07-28 18:58:58,215 INFO L280 TraceCheckUtils]: 9: Hoare triple {8302#true} assume 0 != test_~tmp~7; {8302#true} is VALID [2020-07-28 18:58:58,216 INFO L280 TraceCheckUtils]: 10: Hoare triple {8302#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8302#true} is VALID [2020-07-28 18:58:58,216 INFO L280 TraceCheckUtils]: 11: Hoare triple {8302#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {8302#true} is VALID [2020-07-28 18:58:58,216 INFO L280 TraceCheckUtils]: 12: Hoare triple {8302#true} assume 0 != test_~tmp___0~3; {8302#true} is VALID [2020-07-28 18:58:58,217 INFO L280 TraceCheckUtils]: 13: Hoare triple {8302#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8304#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:58,218 INFO L280 TraceCheckUtils]: 14: Hoare triple {8304#(= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {8304#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:58,219 INFO L280 TraceCheckUtils]: 15: Hoare triple {8304#(= 1 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8305#(= ~methaneLevelCritical~0 ~systemActive~0)} is VALID [2020-07-28 18:58:58,221 INFO L280 TraceCheckUtils]: 16: Hoare triple {8305#(= ~methaneLevelCritical~0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {8305#(= ~methaneLevelCritical~0 ~systemActive~0)} is VALID [2020-07-28 18:58:58,222 INFO L280 TraceCheckUtils]: 17: Hoare triple {8305#(= ~methaneLevelCritical~0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8306#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:58,223 INFO L280 TraceCheckUtils]: 18: Hoare triple {8306#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {8306#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:58,224 INFO L280 TraceCheckUtils]: 19: Hoare triple {8306#(not (= 0 ~methaneLevelCritical~0))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {8306#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:58,224 INFO L280 TraceCheckUtils]: 20: Hoare triple {8306#(not (= 0 ~methaneLevelCritical~0))} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {8306#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:58,225 INFO L280 TraceCheckUtils]: 21: Hoare triple {8306#(not (= 0 ~methaneLevelCritical~0))} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {8306#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:58,226 INFO L280 TraceCheckUtils]: 22: Hoare triple {8306#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {8306#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:58,227 INFO L280 TraceCheckUtils]: 23: Hoare triple {8306#(not (= 0 ~methaneLevelCritical~0))} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {8306#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:58,227 INFO L280 TraceCheckUtils]: 24: Hoare triple {8306#(not (= 0 ~methaneLevelCritical~0))} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {8306#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:58,228 INFO L280 TraceCheckUtils]: 25: Hoare triple {8306#(not (= 0 ~methaneLevelCritical~0))} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc activatePump_#t~ret13, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret14, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {8307#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 18:58:58,229 INFO L280 TraceCheckUtils]: 26: Hoare triple {8307#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} isMethaneAlarm_#t~ret14 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret14 && isMethaneAlarm_#t~ret14 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret14;havoc isMethaneAlarm_#t~ret14;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {8308#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} is VALID [2020-07-28 18:58:58,230 INFO L280 TraceCheckUtils]: 27: Hoare triple {8308#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} activatePump_#t~ret13 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret13 && activatePump_#t~ret13 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret13;havoc activatePump_#t~ret13; {8309#(not (= 0 ULTIMATE.start_activatePump_~tmp~3))} is VALID [2020-07-28 18:58:58,231 INFO L280 TraceCheckUtils]: 28: Hoare triple {8309#(not (= 0 ULTIMATE.start_activatePump_~tmp~3))} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {8303#false} is VALID [2020-07-28 18:58:58,231 INFO L280 TraceCheckUtils]: 29: Hoare triple {8303#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {8303#false} is VALID [2020-07-28 18:58:58,231 INFO L280 TraceCheckUtils]: 30: Hoare triple {8303#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {8303#false} is VALID [2020-07-28 18:58:58,232 INFO L280 TraceCheckUtils]: 31: Hoare triple {8303#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {8303#false} is VALID [2020-07-28 18:58:58,232 INFO L280 TraceCheckUtils]: 32: Hoare triple {8303#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {8303#false} is VALID [2020-07-28 18:58:58,232 INFO L280 TraceCheckUtils]: 33: Hoare triple {8303#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {8303#false} is VALID [2020-07-28 18:58:58,232 INFO L280 TraceCheckUtils]: 34: Hoare triple {8303#false} assume !false; {8303#false} is VALID [2020-07-28 18:58:58,234 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 18:58:58,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128210336] [2020-07-28 18:58:58,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:58,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-28 18:58:58,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730679841] [2020-07-28 18:58:58,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-07-28 18:58:58,236 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:58,236 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 18:58:58,283 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:58,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 18:58:58,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:58,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 18:58:58,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:58:58,285 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 8 states. [2020-07-28 18:59:02,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:02,429 INFO L93 Difference]: Finished difference Result 955 states and 1243 transitions. [2020-07-28 18:59:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-28 18:59:02,429 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-07-28 18:59:02,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 18:59:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 702 transitions. [2020-07-28 18:59:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 18:59:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 702 transitions. [2020-07-28 18:59:02,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 702 transitions. [2020-07-28 18:59:03,338 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 702 edges. 702 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:03,370 INFO L225 Difference]: With dead ends: 955 [2020-07-28 18:59:03,370 INFO L226 Difference]: Without dead ends: 759 [2020-07-28 18:59:03,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2020-07-28 18:59:03,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-07-28 18:59:03,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 202. [2020-07-28 18:59:03,817 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:03,817 INFO L82 GeneralOperation]: Start isEquivalent. First operand 759 states. Second operand 202 states. [2020-07-28 18:59:03,817 INFO L74 IsIncluded]: Start isIncluded. First operand 759 states. Second operand 202 states. [2020-07-28 18:59:03,817 INFO L87 Difference]: Start difference. First operand 759 states. Second operand 202 states. [2020-07-28 18:59:03,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:03,841 INFO L93 Difference]: Finished difference Result 759 states and 971 transitions. [2020-07-28 18:59:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 971 transitions. [2020-07-28 18:59:03,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:03,843 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:03,843 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 759 states. [2020-07-28 18:59:03,843 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 759 states. [2020-07-28 18:59:03,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:03,870 INFO L93 Difference]: Finished difference Result 759 states and 971 transitions. [2020-07-28 18:59:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 971 transitions. [2020-07-28 18:59:03,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:03,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:03,872 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:03,872 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 18:59:03,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2020-07-28 18:59:03,877 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2020-07-28 18:59:03,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:03,877 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2020-07-28 18:59:03,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 18:59:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2020-07-28 18:59:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-28 18:59:03,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:03,880 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:03,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:59:03,880 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:03,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:03,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1267099237, now seen corresponding path program 1 times [2020-07-28 18:59:03,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:03,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968509863] [2020-07-28 18:59:03,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:04,050 INFO L280 TraceCheckUtils]: 0: Hoare triple {11488#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,052 INFO L280 TraceCheckUtils]: 1: Hoare triple {11490#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,053 INFO L280 TraceCheckUtils]: 2: Hoare triple {11490#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,053 INFO L280 TraceCheckUtils]: 3: Hoare triple {11490#(= 1 ~waterLevel~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,053 INFO L280 TraceCheckUtils]: 4: Hoare triple {11490#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,054 INFO L280 TraceCheckUtils]: 5: Hoare triple {11490#(= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,054 INFO L280 TraceCheckUtils]: 6: Hoare triple {11490#(= 1 ~waterLevel~0)} assume !false; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,055 INFO L280 TraceCheckUtils]: 7: Hoare triple {11490#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,055 INFO L280 TraceCheckUtils]: 8: Hoare triple {11490#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,056 INFO L280 TraceCheckUtils]: 9: Hoare triple {11490#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~7; {11490#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,057 INFO L280 TraceCheckUtils]: 10: Hoare triple {11490#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,057 INFO L280 TraceCheckUtils]: 11: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,058 INFO L280 TraceCheckUtils]: 12: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,061 INFO L280 TraceCheckUtils]: 13: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,064 INFO L280 TraceCheckUtils]: 14: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,064 INFO L280 TraceCheckUtils]: 15: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,065 INFO L280 TraceCheckUtils]: 16: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,065 INFO L280 TraceCheckUtils]: 17: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,066 INFO L280 TraceCheckUtils]: 18: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,066 INFO L280 TraceCheckUtils]: 19: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,066 INFO L280 TraceCheckUtils]: 20: Hoare triple {11491#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,067 INFO L280 TraceCheckUtils]: 21: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,067 INFO L280 TraceCheckUtils]: 22: Hoare triple {11491#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,068 INFO L280 TraceCheckUtils]: 23: Hoare triple {11491#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,068 INFO L280 TraceCheckUtils]: 24: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc activatePump_#t~ret13, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret14, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,069 INFO L280 TraceCheckUtils]: 25: Hoare triple {11491#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret14 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret14 && isMethaneAlarm_#t~ret14 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret14;havoc isMethaneAlarm_#t~ret14;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,069 INFO L280 TraceCheckUtils]: 26: Hoare triple {11491#(<= 2 ~waterLevel~0)} activatePump_#t~ret13 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret13 && activatePump_#t~ret13 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret13;havoc activatePump_#t~ret13; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,069 INFO L280 TraceCheckUtils]: 27: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,070 INFO L280 TraceCheckUtils]: 28: Hoare triple {11491#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,070 INFO L280 TraceCheckUtils]: 29: Hoare triple {11491#(<= 2 ~waterLevel~0)} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,071 INFO L280 TraceCheckUtils]: 30: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,071 INFO L280 TraceCheckUtils]: 31: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !false; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,071 INFO L280 TraceCheckUtils]: 32: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,072 INFO L280 TraceCheckUtils]: 33: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,072 INFO L280 TraceCheckUtils]: 34: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~7); {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,073 INFO L280 TraceCheckUtils]: 35: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,075 INFO L280 TraceCheckUtils]: 36: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___0~3; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,076 INFO L280 TraceCheckUtils]: 37: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,077 INFO L280 TraceCheckUtils]: 38: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,077 INFO L280 TraceCheckUtils]: 39: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,077 INFO L280 TraceCheckUtils]: 40: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,078 INFO L280 TraceCheckUtils]: 41: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {11492#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 18:59:04,078 INFO L280 TraceCheckUtils]: 42: Hoare triple {11492#(not (= 0 ~waterLevel~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11492#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 18:59:04,079 INFO L280 TraceCheckUtils]: 43: Hoare triple {11492#(not (= 0 ~waterLevel~0))} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret32, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {11493#(= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)} is VALID [2020-07-28 18:59:04,080 INFO L280 TraceCheckUtils]: 44: Hoare triple {11493#(= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)} isLowWaterLevel_#t~ret32 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret32 && isLowWaterLevel_#t~ret32 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret32;havoc isLowWaterLevel_#t~ret32; {11494#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)} is VALID [2020-07-28 18:59:04,081 INFO L280 TraceCheckUtils]: 45: Hoare triple {11494#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {11489#false} is VALID [2020-07-28 18:59:04,081 INFO L280 TraceCheckUtils]: 46: Hoare triple {11489#false} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {11489#false} is VALID [2020-07-28 18:59:04,081 INFO L280 TraceCheckUtils]: 47: Hoare triple {11489#false} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {11489#false} is VALID [2020-07-28 18:59:04,082 INFO L280 TraceCheckUtils]: 48: Hoare triple {11489#false} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {11489#false} is VALID [2020-07-28 18:59:04,082 INFO L280 TraceCheckUtils]: 49: Hoare triple {11489#false} assume !(0 == ~pumpRunning~0); {11489#false} is VALID [2020-07-28 18:59:04,082 INFO L280 TraceCheckUtils]: 50: Hoare triple {11489#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {11489#false} is VALID [2020-07-28 18:59:04,082 INFO L280 TraceCheckUtils]: 51: Hoare triple {11489#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {11489#false} is VALID [2020-07-28 18:59:04,083 INFO L280 TraceCheckUtils]: 52: Hoare triple {11489#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {11489#false} is VALID [2020-07-28 18:59:04,083 INFO L280 TraceCheckUtils]: 53: Hoare triple {11489#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {11489#false} is VALID [2020-07-28 18:59:04,083 INFO L280 TraceCheckUtils]: 54: Hoare triple {11489#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {11489#false} is VALID [2020-07-28 18:59:04,083 INFO L280 TraceCheckUtils]: 55: Hoare triple {11489#false} assume !false; {11489#false} is VALID [2020-07-28 18:59:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 18:59:04,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968509863] [2020-07-28 18:59:04,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129661504] [2020-07-28 18:59:04,088 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 18:59:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:04,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-28 18:59:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:04,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:59:04,429 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 18:59:04,464 INFO L280 TraceCheckUtils]: 0: Hoare triple {11488#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {11488#true} is VALID [2020-07-28 18:59:04,464 INFO L280 TraceCheckUtils]: 1: Hoare triple {11488#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {11488#true} is VALID [2020-07-28 18:59:04,464 INFO L280 TraceCheckUtils]: 2: Hoare triple {11488#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {11488#true} is VALID [2020-07-28 18:59:04,464 INFO L280 TraceCheckUtils]: 3: Hoare triple {11488#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {11488#true} is VALID [2020-07-28 18:59:04,464 INFO L280 TraceCheckUtils]: 4: Hoare triple {11488#true} assume 0 != main_~tmp~0; {11488#true} is VALID [2020-07-28 18:59:04,465 INFO L280 TraceCheckUtils]: 5: Hoare triple {11488#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {11488#true} is VALID [2020-07-28 18:59:04,465 INFO L280 TraceCheckUtils]: 6: Hoare triple {11488#true} assume !false; {11488#true} is VALID [2020-07-28 18:59:04,465 INFO L280 TraceCheckUtils]: 7: Hoare triple {11488#true} assume test_~splverifierCounter~0 < 4; {11488#true} is VALID [2020-07-28 18:59:04,468 INFO L280 TraceCheckUtils]: 8: Hoare triple {11488#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {11488#true} is VALID [2020-07-28 18:59:04,469 INFO L280 TraceCheckUtils]: 9: Hoare triple {11488#true} assume 0 != test_~tmp~7; {11488#true} is VALID [2020-07-28 18:59:04,469 INFO L280 TraceCheckUtils]: 10: Hoare triple {11488#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {11488#true} is VALID [2020-07-28 18:59:04,469 INFO L280 TraceCheckUtils]: 11: Hoare triple {11488#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {11488#true} is VALID [2020-07-28 18:59:04,469 INFO L280 TraceCheckUtils]: 12: Hoare triple {11488#true} assume !(0 != test_~tmp___0~3); {11488#true} is VALID [2020-07-28 18:59:04,469 INFO L280 TraceCheckUtils]: 13: Hoare triple {11488#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {11488#true} is VALID [2020-07-28 18:59:04,470 INFO L280 TraceCheckUtils]: 14: Hoare triple {11488#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11488#true} is VALID [2020-07-28 18:59:04,470 INFO L280 TraceCheckUtils]: 15: Hoare triple {11488#true} assume !(0 != ~pumpRunning~0); {11488#true} is VALID [2020-07-28 18:59:04,470 INFO L280 TraceCheckUtils]: 16: Hoare triple {11488#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11488#true} is VALID [2020-07-28 18:59:04,470 INFO L280 TraceCheckUtils]: 17: Hoare triple {11488#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {11488#true} is VALID [2020-07-28 18:59:04,470 INFO L280 TraceCheckUtils]: 18: Hoare triple {11488#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {11488#true} is VALID [2020-07-28 18:59:04,476 INFO L280 TraceCheckUtils]: 19: Hoare triple {11488#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,477 INFO L280 TraceCheckUtils]: 20: Hoare triple {11491#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,478 INFO L280 TraceCheckUtils]: 21: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,479 INFO L280 TraceCheckUtils]: 22: Hoare triple {11491#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,479 INFO L280 TraceCheckUtils]: 23: Hoare triple {11491#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,480 INFO L280 TraceCheckUtils]: 24: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc activatePump_#t~ret13, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret14, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,480 INFO L280 TraceCheckUtils]: 25: Hoare triple {11491#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret14 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret14 && isMethaneAlarm_#t~ret14 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret14;havoc isMethaneAlarm_#t~ret14;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,481 INFO L280 TraceCheckUtils]: 26: Hoare triple {11491#(<= 2 ~waterLevel~0)} activatePump_#t~ret13 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret13 && activatePump_#t~ret13 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret13;havoc activatePump_#t~ret13; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,483 INFO L280 TraceCheckUtils]: 27: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,484 INFO L280 TraceCheckUtils]: 28: Hoare triple {11491#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,485 INFO L280 TraceCheckUtils]: 29: Hoare triple {11491#(<= 2 ~waterLevel~0)} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,486 INFO L280 TraceCheckUtils]: 30: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,486 INFO L280 TraceCheckUtils]: 31: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !false; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,487 INFO L280 TraceCheckUtils]: 32: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,487 INFO L280 TraceCheckUtils]: 33: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,488 INFO L280 TraceCheckUtils]: 34: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~7); {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,489 INFO L280 TraceCheckUtils]: 35: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,490 INFO L280 TraceCheckUtils]: 36: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___0~3; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,490 INFO L280 TraceCheckUtils]: 37: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,491 INFO L280 TraceCheckUtils]: 38: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,492 INFO L280 TraceCheckUtils]: 39: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,493 INFO L280 TraceCheckUtils]: 40: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {11491#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,494 INFO L280 TraceCheckUtils]: 41: Hoare triple {11491#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {11621#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,495 INFO L280 TraceCheckUtils]: 42: Hoare triple {11621#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11621#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 18:59:04,498 INFO L280 TraceCheckUtils]: 43: Hoare triple {11621#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret32, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {11493#(= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)} is VALID [2020-07-28 18:59:04,499 INFO L280 TraceCheckUtils]: 44: Hoare triple {11493#(= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)} isLowWaterLevel_#t~ret32 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret32 && isLowWaterLevel_#t~ret32 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret32;havoc isLowWaterLevel_#t~ret32; {11494#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)} is VALID [2020-07-28 18:59:04,499 INFO L280 TraceCheckUtils]: 45: Hoare triple {11494#(= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {11489#false} is VALID [2020-07-28 18:59:04,500 INFO L280 TraceCheckUtils]: 46: Hoare triple {11489#false} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {11489#false} is VALID [2020-07-28 18:59:04,500 INFO L280 TraceCheckUtils]: 47: Hoare triple {11489#false} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {11489#false} is VALID [2020-07-28 18:59:04,500 INFO L280 TraceCheckUtils]: 48: Hoare triple {11489#false} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {11489#false} is VALID [2020-07-28 18:59:04,500 INFO L280 TraceCheckUtils]: 49: Hoare triple {11489#false} assume !(0 == ~pumpRunning~0); {11489#false} is VALID [2020-07-28 18:59:04,500 INFO L280 TraceCheckUtils]: 50: Hoare triple {11489#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {11489#false} is VALID [2020-07-28 18:59:04,501 INFO L280 TraceCheckUtils]: 51: Hoare triple {11489#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {11489#false} is VALID [2020-07-28 18:59:04,501 INFO L280 TraceCheckUtils]: 52: Hoare triple {11489#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {11489#false} is VALID [2020-07-28 18:59:04,501 INFO L280 TraceCheckUtils]: 53: Hoare triple {11489#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {11489#false} is VALID [2020-07-28 18:59:04,507 INFO L280 TraceCheckUtils]: 54: Hoare triple {11489#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {11489#false} is VALID [2020-07-28 18:59:04,507 INFO L280 TraceCheckUtils]: 55: Hoare triple {11489#false} assume !false; {11489#false} is VALID [2020-07-28 18:59:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:04,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 18:59:04,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2020-07-28 18:59:04,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734073123] [2020-07-28 18:59:04,515 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-07-28 18:59:04,516 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:04,516 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:59:04,589 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:04,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:59:04,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:04,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:59:04,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:59:04,590 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2020-07-28 18:59:08,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:08,192 INFO L93 Difference]: Finished difference Result 1026 states and 1345 transitions. [2020-07-28 18:59:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 18:59:08,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-07-28 18:59:08,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:59:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 506 transitions. [2020-07-28 18:59:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:59:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 506 transitions. [2020-07-28 18:59:08,200 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 506 transitions. [2020-07-28 18:59:08,763 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 506 edges. 506 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:08,803 INFO L225 Difference]: With dead ends: 1026 [2020-07-28 18:59:08,803 INFO L226 Difference]: Without dead ends: 880 [2020-07-28 18:59:08,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-07-28 18:59:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-28 18:59:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 390. [2020-07-28 18:59:09,811 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:09,811 INFO L82 GeneralOperation]: Start isEquivalent. First operand 880 states. Second operand 390 states. [2020-07-28 18:59:09,812 INFO L74 IsIncluded]: Start isIncluded. First operand 880 states. Second operand 390 states. [2020-07-28 18:59:09,812 INFO L87 Difference]: Start difference. First operand 880 states. Second operand 390 states. [2020-07-28 18:59:09,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,871 INFO L93 Difference]: Finished difference Result 880 states and 1126 transitions. [2020-07-28 18:59:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1126 transitions. [2020-07-28 18:59:09,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:09,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:09,874 INFO L74 IsIncluded]: Start isIncluded. First operand 390 states. Second operand 880 states. [2020-07-28 18:59:09,874 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 880 states. [2020-07-28 18:59:09,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,939 INFO L93 Difference]: Finished difference Result 880 states and 1126 transitions. [2020-07-28 18:59:09,939 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1126 transitions. [2020-07-28 18:59:09,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:09,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:09,941 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:09,941 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-28 18:59:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2020-07-28 18:59:09,954 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 56 [2020-07-28 18:59:09,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:09,955 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2020-07-28 18:59:09,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:59:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2020-07-28 18:59:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-28 18:59:09,956 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:09,957 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:10,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-28 18:59:10,172 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:10,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:10,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1968163815, now seen corresponding path program 1 times [2020-07-28 18:59:10,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:10,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350696172] [2020-07-28 18:59:10,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:10,286 INFO L280 TraceCheckUtils]: 0: Hoare triple {15405#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {15405#true} is VALID [2020-07-28 18:59:10,287 INFO L280 TraceCheckUtils]: 1: Hoare triple {15405#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {15405#true} is VALID [2020-07-28 18:59:10,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {15405#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {15405#true} is VALID [2020-07-28 18:59:10,287 INFO L280 TraceCheckUtils]: 3: Hoare triple {15405#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {15405#true} is VALID [2020-07-28 18:59:10,287 INFO L280 TraceCheckUtils]: 4: Hoare triple {15405#true} assume 0 != main_~tmp~0; {15405#true} is VALID [2020-07-28 18:59:10,288 INFO L280 TraceCheckUtils]: 5: Hoare triple {15405#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {15405#true} is VALID [2020-07-28 18:59:10,288 INFO L280 TraceCheckUtils]: 6: Hoare triple {15405#true} assume !false; {15405#true} is VALID [2020-07-28 18:59:10,288 INFO L280 TraceCheckUtils]: 7: Hoare triple {15405#true} assume test_~splverifierCounter~0 < 4; {15405#true} is VALID [2020-07-28 18:59:10,288 INFO L280 TraceCheckUtils]: 8: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {15405#true} is VALID [2020-07-28 18:59:10,288 INFO L280 TraceCheckUtils]: 9: Hoare triple {15405#true} assume 0 != test_~tmp~7; {15405#true} is VALID [2020-07-28 18:59:10,288 INFO L280 TraceCheckUtils]: 10: Hoare triple {15405#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {15405#true} is VALID [2020-07-28 18:59:10,289 INFO L280 TraceCheckUtils]: 11: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {15405#true} is VALID [2020-07-28 18:59:10,289 INFO L280 TraceCheckUtils]: 12: Hoare triple {15405#true} assume !(0 != test_~tmp___0~3); {15405#true} is VALID [2020-07-28 18:59:10,289 INFO L280 TraceCheckUtils]: 13: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {15405#true} is VALID [2020-07-28 18:59:10,290 INFO L280 TraceCheckUtils]: 14: Hoare triple {15405#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {15407#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:10,290 INFO L280 TraceCheckUtils]: 15: Hoare triple {15407#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {15407#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:10,291 INFO L280 TraceCheckUtils]: 16: Hoare triple {15407#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {15405#true} is VALID [2020-07-28 18:59:10,291 INFO L280 TraceCheckUtils]: 17: Hoare triple {15405#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {15405#true} is VALID [2020-07-28 18:59:10,291 INFO L280 TraceCheckUtils]: 18: Hoare triple {15405#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {15405#true} is VALID [2020-07-28 18:59:10,291 INFO L280 TraceCheckUtils]: 19: Hoare triple {15405#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {15405#true} is VALID [2020-07-28 18:59:10,291 INFO L280 TraceCheckUtils]: 20: Hoare triple {15405#true} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {15405#true} is VALID [2020-07-28 18:59:10,291 INFO L280 TraceCheckUtils]: 21: Hoare triple {15405#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,292 INFO L280 TraceCheckUtils]: 22: Hoare triple {15405#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {15405#true} is VALID [2020-07-28 18:59:10,292 INFO L280 TraceCheckUtils]: 23: Hoare triple {15405#true} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {15405#true} is VALID [2020-07-28 18:59:10,292 INFO L280 TraceCheckUtils]: 24: Hoare triple {15405#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc activatePump_#t~ret13, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret14, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {15405#true} is VALID [2020-07-28 18:59:10,293 INFO L280 TraceCheckUtils]: 25: Hoare triple {15405#true} isMethaneAlarm_#t~ret14 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret14 && isMethaneAlarm_#t~ret14 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret14;havoc isMethaneAlarm_#t~ret14;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {15405#true} is VALID [2020-07-28 18:59:10,293 INFO L280 TraceCheckUtils]: 26: Hoare triple {15405#true} activatePump_#t~ret13 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret13 && activatePump_#t~ret13 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret13;havoc activatePump_#t~ret13; {15405#true} is VALID [2020-07-28 18:59:10,293 INFO L280 TraceCheckUtils]: 27: Hoare triple {15405#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,293 INFO L280 TraceCheckUtils]: 28: Hoare triple {15405#true} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {15405#true} is VALID [2020-07-28 18:59:10,293 INFO L280 TraceCheckUtils]: 29: Hoare triple {15405#true} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {15405#true} is VALID [2020-07-28 18:59:10,293 INFO L280 TraceCheckUtils]: 30: Hoare triple {15405#true} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); {15405#true} is VALID [2020-07-28 18:59:10,294 INFO L280 TraceCheckUtils]: 31: Hoare triple {15405#true} assume !false; {15405#true} is VALID [2020-07-28 18:59:10,294 INFO L280 TraceCheckUtils]: 32: Hoare triple {15405#true} assume test_~splverifierCounter~0 < 4; {15405#true} is VALID [2020-07-28 18:59:10,294 INFO L280 TraceCheckUtils]: 33: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {15405#true} is VALID [2020-07-28 18:59:10,294 INFO L280 TraceCheckUtils]: 34: Hoare triple {15405#true} assume !(0 != test_~tmp~7); {15405#true} is VALID [2020-07-28 18:59:10,294 INFO L280 TraceCheckUtils]: 35: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {15405#true} is VALID [2020-07-28 18:59:10,294 INFO L280 TraceCheckUtils]: 36: Hoare triple {15405#true} assume 0 != test_~tmp___0~3; {15405#true} is VALID [2020-07-28 18:59:10,295 INFO L280 TraceCheckUtils]: 37: Hoare triple {15405#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,295 INFO L280 TraceCheckUtils]: 38: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {15405#true} is VALID [2020-07-28 18:59:10,295 INFO L280 TraceCheckUtils]: 39: Hoare triple {15405#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,296 INFO L280 TraceCheckUtils]: 40: Hoare triple {15405#true} assume 0 != ~pumpRunning~0; {15405#true} is VALID [2020-07-28 18:59:10,296 INFO L280 TraceCheckUtils]: 41: Hoare triple {15405#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {15405#true} is VALID [2020-07-28 18:59:10,296 INFO L280 TraceCheckUtils]: 42: Hoare triple {15405#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {15405#true} is VALID [2020-07-28 18:59:10,296 INFO L280 TraceCheckUtils]: 43: Hoare triple {15405#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret32, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {15405#true} is VALID [2020-07-28 18:59:10,296 INFO L280 TraceCheckUtils]: 44: Hoare triple {15405#true} isLowWaterLevel_#t~ret32 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret32 && isLowWaterLevel_#t~ret32 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret32;havoc isLowWaterLevel_#t~ret32; {15405#true} is VALID [2020-07-28 18:59:10,297 INFO L280 TraceCheckUtils]: 45: Hoare triple {15405#true} assume !(0 != isLowWaterLevel_~tmp~5);isLowWaterLevel_~tmp___0~1 := 1; {15408#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1))} is VALID [2020-07-28 18:59:10,298 INFO L280 TraceCheckUtils]: 46: Hoare triple {15408#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1))} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {15409#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 18:59:10,299 INFO L280 TraceCheckUtils]: 47: Hoare triple {15409#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {15410#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~2))} is VALID [2020-07-28 18:59:10,299 INFO L280 TraceCheckUtils]: 48: Hoare triple {15410#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~2))} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {15406#false} is VALID [2020-07-28 18:59:10,300 INFO L280 TraceCheckUtils]: 49: Hoare triple {15406#false} assume !(0 == ~pumpRunning~0); {15406#false} is VALID [2020-07-28 18:59:10,300 INFO L280 TraceCheckUtils]: 50: Hoare triple {15406#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {15406#false} is VALID [2020-07-28 18:59:10,300 INFO L280 TraceCheckUtils]: 51: Hoare triple {15406#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {15406#false} is VALID [2020-07-28 18:59:10,300 INFO L280 TraceCheckUtils]: 52: Hoare triple {15406#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {15406#false} is VALID [2020-07-28 18:59:10,300 INFO L280 TraceCheckUtils]: 53: Hoare triple {15406#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {15406#false} is VALID [2020-07-28 18:59:10,300 INFO L280 TraceCheckUtils]: 54: Hoare triple {15406#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {15406#false} is VALID [2020-07-28 18:59:10,301 INFO L280 TraceCheckUtils]: 55: Hoare triple {15406#false} assume !false; {15406#false} is VALID [2020-07-28 18:59:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-28 18:59:10,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350696172] [2020-07-28 18:59:10,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182072448] [2020-07-28 18:59:10,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:59:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:10,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 18:59:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:10,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:59:10,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {15405#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {15405#true} is VALID [2020-07-28 18:59:10,583 INFO L280 TraceCheckUtils]: 1: Hoare triple {15405#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {15405#true} is VALID [2020-07-28 18:59:10,583 INFO L280 TraceCheckUtils]: 2: Hoare triple {15405#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {15405#true} is VALID [2020-07-28 18:59:10,583 INFO L280 TraceCheckUtils]: 3: Hoare triple {15405#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {15405#true} is VALID [2020-07-28 18:59:10,583 INFO L280 TraceCheckUtils]: 4: Hoare triple {15405#true} assume 0 != main_~tmp~0; {15405#true} is VALID [2020-07-28 18:59:10,583 INFO L280 TraceCheckUtils]: 5: Hoare triple {15405#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {15405#true} is VALID [2020-07-28 18:59:10,584 INFO L280 TraceCheckUtils]: 6: Hoare triple {15405#true} assume !false; {15405#true} is VALID [2020-07-28 18:59:10,584 INFO L280 TraceCheckUtils]: 7: Hoare triple {15405#true} assume test_~splverifierCounter~0 < 4; {15405#true} is VALID [2020-07-28 18:59:10,584 INFO L280 TraceCheckUtils]: 8: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {15405#true} is VALID [2020-07-28 18:59:10,584 INFO L280 TraceCheckUtils]: 9: Hoare triple {15405#true} assume 0 != test_~tmp~7; {15405#true} is VALID [2020-07-28 18:59:10,584 INFO L280 TraceCheckUtils]: 10: Hoare triple {15405#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {15405#true} is VALID [2020-07-28 18:59:10,584 INFO L280 TraceCheckUtils]: 11: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {15405#true} is VALID [2020-07-28 18:59:10,585 INFO L280 TraceCheckUtils]: 12: Hoare triple {15405#true} assume !(0 != test_~tmp___0~3); {15405#true} is VALID [2020-07-28 18:59:10,585 INFO L280 TraceCheckUtils]: 13: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {15405#true} is VALID [2020-07-28 18:59:10,585 INFO L280 TraceCheckUtils]: 14: Hoare triple {15405#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,585 INFO L280 TraceCheckUtils]: 15: Hoare triple {15405#true} assume !(0 != ~pumpRunning~0); {15405#true} is VALID [2020-07-28 18:59:10,585 INFO L280 TraceCheckUtils]: 16: Hoare triple {15405#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {15405#true} is VALID [2020-07-28 18:59:10,585 INFO L280 TraceCheckUtils]: 17: Hoare triple {15405#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {15405#true} is VALID [2020-07-28 18:59:10,586 INFO L280 TraceCheckUtils]: 18: Hoare triple {15405#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {15405#true} is VALID [2020-07-28 18:59:10,586 INFO L280 TraceCheckUtils]: 19: Hoare triple {15405#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {15405#true} is VALID [2020-07-28 18:59:10,586 INFO L280 TraceCheckUtils]: 20: Hoare triple {15405#true} isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret31 && isHighWaterLevel_#t~ret31 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; {15405#true} is VALID [2020-07-28 18:59:10,586 INFO L280 TraceCheckUtils]: 21: Hoare triple {15405#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,586 INFO L280 TraceCheckUtils]: 22: Hoare triple {15405#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {15405#true} is VALID [2020-07-28 18:59:10,587 INFO L280 TraceCheckUtils]: 23: Hoare triple {15405#true} processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret11 && processEnvironment__wrappee__highWaterSensor_#t~ret11 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; {15405#true} is VALID [2020-07-28 18:59:10,587 INFO L280 TraceCheckUtils]: 24: Hoare triple {15405#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc activatePump_#t~ret13, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret14, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {15405#true} is VALID [2020-07-28 18:59:10,587 INFO L280 TraceCheckUtils]: 25: Hoare triple {15405#true} isMethaneAlarm_#t~ret14 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret14 && isMethaneAlarm_#t~ret14 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret14;havoc isMethaneAlarm_#t~ret14;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {15405#true} is VALID [2020-07-28 18:59:10,587 INFO L280 TraceCheckUtils]: 26: Hoare triple {15405#true} activatePump_#t~ret13 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret13 && activatePump_#t~ret13 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret13;havoc activatePump_#t~ret13; {15405#true} is VALID [2020-07-28 18:59:10,587 INFO L280 TraceCheckUtils]: 27: Hoare triple {15405#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,587 INFO L280 TraceCheckUtils]: 28: Hoare triple {15405#true} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {15405#true} is VALID [2020-07-28 18:59:10,587 INFO L280 TraceCheckUtils]: 29: Hoare triple {15405#true} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {15405#true} is VALID [2020-07-28 18:59:10,588 INFO L280 TraceCheckUtils]: 30: Hoare triple {15405#true} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); {15405#true} is VALID [2020-07-28 18:59:10,588 INFO L280 TraceCheckUtils]: 31: Hoare triple {15405#true} assume !false; {15405#true} is VALID [2020-07-28 18:59:10,588 INFO L280 TraceCheckUtils]: 32: Hoare triple {15405#true} assume test_~splverifierCounter~0 < 4; {15405#true} is VALID [2020-07-28 18:59:10,588 INFO L280 TraceCheckUtils]: 33: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; {15405#true} is VALID [2020-07-28 18:59:10,588 INFO L280 TraceCheckUtils]: 34: Hoare triple {15405#true} assume !(0 != test_~tmp~7); {15405#true} is VALID [2020-07-28 18:59:10,588 INFO L280 TraceCheckUtils]: 35: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; {15405#true} is VALID [2020-07-28 18:59:10,588 INFO L280 TraceCheckUtils]: 36: Hoare triple {15405#true} assume 0 != test_~tmp___0~3; {15405#true} is VALID [2020-07-28 18:59:10,589 INFO L280 TraceCheckUtils]: 37: Hoare triple {15405#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,589 INFO L280 TraceCheckUtils]: 38: Hoare triple {15405#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {15405#true} is VALID [2020-07-28 18:59:10,589 INFO L280 TraceCheckUtils]: 39: Hoare triple {15405#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {15405#true} is VALID [2020-07-28 18:59:10,589 INFO L280 TraceCheckUtils]: 40: Hoare triple {15405#true} assume 0 != ~pumpRunning~0; {15405#true} is VALID [2020-07-28 18:59:10,589 INFO L280 TraceCheckUtils]: 41: Hoare triple {15405#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {15405#true} is VALID [2020-07-28 18:59:10,589 INFO L280 TraceCheckUtils]: 42: Hoare triple {15405#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {15405#true} is VALID [2020-07-28 18:59:10,590 INFO L280 TraceCheckUtils]: 43: Hoare triple {15405#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret32, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~3;havoc isLowWaterSensorDry_~retValue_acc~3;isLowWaterSensorDry_~retValue_acc~3 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~3; {15405#true} is VALID [2020-07-28 18:59:10,590 INFO L280 TraceCheckUtils]: 44: Hoare triple {15405#true} isLowWaterLevel_#t~ret32 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret32 && isLowWaterLevel_#t~ret32 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret32;havoc isLowWaterLevel_#t~ret32; {15405#true} is VALID [2020-07-28 18:59:10,590 INFO L280 TraceCheckUtils]: 45: Hoare triple {15405#true} assume !(0 != isLowWaterLevel_~tmp~5);isLowWaterLevel_~tmp___0~1 := 1; {15549#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:59:10,591 INFO L280 TraceCheckUtils]: 46: Hoare triple {15549#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {15553#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 18:59:10,595 INFO L280 TraceCheckUtils]: 47: Hoare triple {15553#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret12 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret12 && processEnvironment_#t~ret12 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; {15557#(<= 1 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 18:59:10,598 INFO L280 TraceCheckUtils]: 48: Hoare triple {15557#(<= 1 ULTIMATE.start_processEnvironment_~tmp~2)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {15406#false} is VALID [2020-07-28 18:59:10,598 INFO L280 TraceCheckUtils]: 49: Hoare triple {15406#false} assume !(0 == ~pumpRunning~0); {15406#false} is VALID [2020-07-28 18:59:10,598 INFO L280 TraceCheckUtils]: 50: Hoare triple {15406#false} havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {15406#false} is VALID [2020-07-28 18:59:10,598 INFO L280 TraceCheckUtils]: 51: Hoare triple {15406#false} __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret33 && __utac_acc__Specification1_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; {15406#false} is VALID [2020-07-28 18:59:10,598 INFO L280 TraceCheckUtils]: 52: Hoare triple {15406#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {15406#false} is VALID [2020-07-28 18:59:10,599 INFO L280 TraceCheckUtils]: 53: Hoare triple {15406#false} __utac_acc__Specification1_spec__1_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {15406#false} is VALID [2020-07-28 18:59:10,599 INFO L280 TraceCheckUtils]: 54: Hoare triple {15406#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {15406#false} is VALID [2020-07-28 18:59:10,599 INFO L280 TraceCheckUtils]: 55: Hoare triple {15406#false} assume !false; {15406#false} is VALID [2020-07-28 18:59:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 18:59:10,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 18:59:10,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-28 18:59:10,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782186067] [2020-07-28 18:59:10,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-07-28 18:59:10,605 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:10,605 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:10,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:10,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:10,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:10,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:10,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:59:10,702 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand 5 states. [2020-07-28 18:59:12,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:12,512 INFO L93 Difference]: Finished difference Result 724 states and 927 transitions. [2020-07-28 18:59:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:12,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-07-28 18:59:12,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:12,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 191 transitions. [2020-07-28 18:59:12,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 191 transitions. [2020-07-28 18:59:12,515 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 191 transitions. [2020-07-28 18:59:12,741 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:12,742 INFO L225 Difference]: With dead ends: 724 [2020-07-28 18:59:12,742 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:12,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-28 18:59:12,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:12,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:12,744 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:12,744 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,744 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,745 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:12,745 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:12,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:12,745 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:12,745 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,745 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:12,746 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:12,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:12,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:12,746 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:12,746 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:12,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-07-28 18:59:12,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:12,747 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:12,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:12,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:12,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-28 18:59:12,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:13,336 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 137 [2020-07-28 18:59:13,644 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 132 [2020-07-28 18:59:13,842 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 108 [2020-07-28 18:59:14,253 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 139 [2020-07-28 18:59:14,422 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 106 [2020-07-28 18:59:14,709 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 134 [2020-07-28 18:59:14,981 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2020-07-28 18:59:15,129 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2020-07-28 18:59:15,822 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-07-28 18:59:16,452 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2020-07-28 18:59:16,936 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 27 [2020-07-28 18:59:17,714 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 24 [2020-07-28 18:59:18,203 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 29 [2020-07-28 18:59:18,956 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 24 [2020-07-28 18:59:19,087 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 23 [2020-07-28 18:59:19,563 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 27 [2020-07-28 18:59:19,718 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2020-07-28 18:59:20,029 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-07-28 18:59:20,552 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2020-07-28 18:59:20,703 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-28 18:59:20,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,740 INFO L268 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-07-28 18:59:20,741 INFO L264 CegarLoopResult]: At program point L564-2(lines 274 280) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse4))) [2020-07-28 18:59:20,741 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-07-28 18:59:20,741 INFO L264 CegarLoopResult]: At program point L498-1(lines 1 982) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse3 .cse4) (and .cse1 .cse2 .cse5 (= 1 ~waterLevel~0) .cse4) (and .cse2 (= 1 ~methaneLevelCritical~0) (not .cse3) (<= 1 ~waterLevel~0) .cse5 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4))) [2020-07-28 18:59:20,741 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-07-28 18:59:20,741 INFO L264 CegarLoopResult]: At program point L498-3(lines 1 982) the Hoare annotation is: false [2020-07-28 18:59:20,741 INFO L268 CegarLoopResult]: For program point L498-4(lines 498 511) no Hoare annotation was computed. [2020-07-28 18:59:20,741 INFO L264 CegarLoopResult]: At program point L498-5(lines 1 982) the Hoare annotation is: false [2020-07-28 18:59:20,741 INFO L268 CegarLoopResult]: For program point L369(lines 369 375) no Hoare annotation was computed. [2020-07-28 18:59:20,742 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-07-28 18:59:20,742 INFO L268 CegarLoopResult]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2020-07-28 18:59:20,742 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 344) no Hoare annotation was computed. [2020-07-28 18:59:20,742 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-07-28 18:59:20,742 INFO L268 CegarLoopResult]: For program point L369-4(lines 369 375) no Hoare annotation was computed. [2020-07-28 18:59:20,743 INFO L268 CegarLoopResult]: For program point L369-6(lines 369 375) no Hoare annotation was computed. [2020-07-28 18:59:20,744 INFO L268 CegarLoopResult]: For program point L369-8(lines 369 375) no Hoare annotation was computed. [2020-07-28 18:59:20,744 INFO L268 CegarLoopResult]: For program point L369-10(lines 369 375) no Hoare annotation was computed. [2020-07-28 18:59:20,744 INFO L268 CegarLoopResult]: For program point L502(lines 502 508) no Hoare annotation was computed. [2020-07-28 18:59:20,744 INFO L268 CegarLoopResult]: For program point L502-2(lines 502 508) no Hoare annotation was computed. [2020-07-28 18:59:20,744 INFO L264 CegarLoopResult]: At program point L403(lines 398 406) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (<= 1 ~waterLevel~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:20,748 INFO L264 CegarLoopResult]: At program point L403-1(lines 398 406) the Hoare annotation is: false [2020-07-28 18:59:20,748 INFO L268 CegarLoopResult]: For program point L502-4(lines 502 508) no Hoare annotation was computed. [2020-07-28 18:59:20,749 INFO L264 CegarLoopResult]: At program point L403-2(lines 398 406) the Hoare annotation is: false [2020-07-28 18:59:20,749 INFO L264 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2020-07-28 18:59:20,749 INFO L268 CegarLoopResult]: For program point L536(lines 536 542) no Hoare annotation was computed. [2020-07-28 18:59:20,749 INFO L264 CegarLoopResult]: At program point L536-1(lines 536 542) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse3 .cse4) (and .cse1 .cse2 .cse5 (= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse2 (not .cse3) (<= 1 ~waterLevel~0) .cse5 (= ~methaneLevelCritical~0 ~systemActive~0) .cse4))) [2020-07-28 18:59:20,750 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-07-28 18:59:20,750 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:59:20,750 INFO L268 CegarLoopResult]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:59:20,750 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:59:20,750 INFO L268 CegarLoopResult]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:59:20,751 INFO L268 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:59:20,751 INFO L268 CegarLoopResult]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:59:20,751 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-07-28 18:59:20,751 INFO L268 CegarLoopResult]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2020-07-28 18:59:20,751 INFO L268 CegarLoopResult]: For program point L471-3(lines 471 475) no Hoare annotation was computed. [2020-07-28 18:59:20,751 INFO L268 CegarLoopResult]: For program point L306(lines 306 323) no Hoare annotation was computed. [2020-07-28 18:59:20,752 INFO L268 CegarLoopResult]: For program point L471-5(lines 471 475) no Hoare annotation was computed. [2020-07-28 18:59:20,752 INFO L268 CegarLoopResult]: For program point L306-1(lines 306 323) no Hoare annotation was computed. [2020-07-28 18:59:20,752 INFO L268 CegarLoopResult]: For program point L471-6(lines 471 475) no Hoare annotation was computed. [2020-07-28 18:59:20,752 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 323) no Hoare annotation was computed. [2020-07-28 18:59:20,752 INFO L268 CegarLoopResult]: For program point L306-3(lines 306 323) no Hoare annotation was computed. [2020-07-28 18:59:20,752 INFO L268 CegarLoopResult]: For program point L471-8(lines 471 475) no Hoare annotation was computed. [2020-07-28 18:59:20,753 INFO L268 CegarLoopResult]: For program point L306-4(lines 306 323) no Hoare annotation was computed. [2020-07-28 18:59:20,753 INFO L268 CegarLoopResult]: For program point L306-5(lines 306 323) no Hoare annotation was computed. [2020-07-28 18:59:20,753 INFO L268 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-07-28 18:59:20,753 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,754 INFO L264 CegarLoopResult]: At program point L274(lines 273 292) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1 .cse2))) [2020-07-28 18:59:20,754 INFO L268 CegarLoopResult]: For program point L274-1(lines 274 280) no Hoare annotation was computed. [2020-07-28 18:59:20,754 INFO L264 CegarLoopResult]: At program point L274-2(lines 273 292) the Hoare annotation is: false [2020-07-28 18:59:20,754 INFO L264 CegarLoopResult]: At program point L274-3(lines 273 292) the Hoare annotation is: false [2020-07-28 18:59:20,754 INFO L264 CegarLoopResult]: At program point L605(lines 1 982) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:20,754 INFO L268 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2020-07-28 18:59:20,754 INFO L268 CegarLoopResult]: For program point L176-1(lines 274 280) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L264 CegarLoopResult]: At program point L574(lines 525 575) the Hoare annotation is: false [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L310(lines 310 318) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L310-1(lines 310 318) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L310-3(lines 310 318) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L310-4(lines 310 318) no Hoare annotation was computed. [2020-07-28 18:59:20,755 INFO L264 CegarLoopResult]: At program point L145(lines 136 149) the Hoare annotation is: false [2020-07-28 18:59:20,755 INFO L268 CegarLoopResult]: For program point L310-5(lines 310 318) no Hoare annotation was computed. [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse2 (= 1 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L477(lines 462 480) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse5 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L477-1(lines 462 480) the Hoare annotation is: false [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L477-2(lines 462 480) the Hoare annotation is: false [2020-07-28 18:59:20,756 INFO L264 CegarLoopResult]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 ~systemActive~0) .cse3) (and (<= 2 ~waterLevel~0) .cse4 .cse0 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-28 18:59:20,756 INFO L268 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2020-07-28 18:59:20,757 INFO L264 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: false [2020-07-28 18:59:20,757 INFO L264 CegarLoopResult]: At program point L281-2(lines 281 287) the Hoare annotation is: false [2020-07-28 18:59:20,757 INFO L271 CegarLoopResult]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2020-07-28 18:59:20,757 INFO L268 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-07-28 18:59:20,757 INFO L264 CegarLoopResult]: At program point L546-1(lines 546 552) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse4))) [2020-07-28 18:59:20,757 INFO L264 CegarLoopResult]: At program point L613(lines 608 616) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:20,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:20,757 INFO L268 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-07-28 18:59:20,757 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,757 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,758 INFO L268 CegarLoopResult]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,758 INFO L268 CegarLoopResult]: For program point L452-5(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,758 INFO L268 CegarLoopResult]: For program point L452-6(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,758 INFO L264 CegarLoopResult]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:20,758 INFO L268 CegarLoopResult]: For program point L452-8(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,758 INFO L264 CegarLoopResult]: At program point L155(lines 150 158) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0) .cse2 .cse3))) [2020-07-28 18:59:20,758 INFO L268 CegarLoopResult]: For program point L452-9(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,758 INFO L264 CegarLoopResult]: At program point L155-1(lines 150 158) the Hoare annotation is: false [2020-07-28 18:59:20,759 INFO L268 CegarLoopResult]: For program point L452-11(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,759 INFO L264 CegarLoopResult]: At program point L155-2(lines 150 158) the Hoare annotation is: false [2020-07-28 18:59:20,759 INFO L268 CegarLoopResult]: For program point L452-12(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,759 INFO L268 CegarLoopResult]: For program point L452-14(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,759 INFO L268 CegarLoopResult]: For program point L452-15(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,759 INFO L268 CegarLoopResult]: For program point L452-17(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:20,759 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:20,759 INFO L271 CegarLoopResult]: At program point L257(lines 238 260) the Hoare annotation is: true [2020-07-28 18:59:20,760 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-07-28 18:59:20,760 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:20,760 INFO L264 CegarLoopResult]: At program point L458(lines 443 461) the Hoare annotation is: false [2020-07-28 18:59:20,760 INFO L264 CegarLoopResult]: At program point L458-1(lines 443 461) the Hoare annotation is: (let ((.cse8 (= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse5 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse4 .cse6) (and .cse1 .cse8 .cse2 .cse4 .cse3 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse4 .cse6))) [2020-07-28 18:59:20,760 INFO L264 CegarLoopResult]: At program point L458-2(lines 443 461) the Hoare annotation is: false [2020-07-28 18:59:20,760 INFO L264 CegarLoopResult]: At program point L458-3(lines 443 461) the Hoare annotation is: false [2020-07-28 18:59:20,760 INFO L264 CegarLoopResult]: At program point L458-4(lines 443 461) the Hoare annotation is: false [2020-07-28 18:59:20,760 INFO L264 CegarLoopResult]: At program point L458-5(lines 443 461) the Hoare annotation is: false [2020-07-28 18:59:20,760 INFO L268 CegarLoopResult]: For program point L63(lines 63 67) no Hoare annotation was computed. [2020-07-28 18:59:20,760 INFO L268 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2020-07-28 18:59:20,761 INFO L268 CegarLoopResult]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2020-07-28 18:59:20,761 INFO L264 CegarLoopResult]: At program point L394(lines 387 397) the Hoare annotation is: false [2020-07-28 18:59:20,761 INFO L264 CegarLoopResult]: At program point L394-1(lines 387 397) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0) (not .cse3) .cse2 (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse4))) [2020-07-28 18:59:20,761 INFO L264 CegarLoopResult]: At program point L394-2(lines 387 397) the Hoare annotation is: false [2020-07-28 18:59:20,761 INFO L264 CegarLoopResult]: At program point L394-3(lines 387 397) the Hoare annotation is: false [2020-07-28 18:59:20,761 INFO L264 CegarLoopResult]: At program point L394-4(lines 387 397) the Hoare annotation is: false [2020-07-28 18:59:20,761 INFO L264 CegarLoopResult]: At program point L394-5(lines 387 397) the Hoare annotation is: false [2020-07-28 18:59:20,761 INFO L268 CegarLoopResult]: For program point L527(lines 526 573) no Hoare annotation was computed. [2020-07-28 18:59:20,761 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:20,761 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:20,762 INFO L268 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-07-28 18:59:20,762 INFO L264 CegarLoopResult]: At program point L100(lines 95 103) the Hoare annotation is: false [2020-07-28 18:59:20,762 INFO L264 CegarLoopResult]: At program point L100-1(lines 95 103) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not .cse3) .cse2 (= ~methaneLevelCritical~0 ~systemActive~0) .cse4))) [2020-07-28 18:59:20,762 INFO L264 CegarLoopResult]: At program point L100-2(lines 95 103) the Hoare annotation is: (let ((.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~methaneLevelCritical~0)) (.cse2 (not .cse7)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 1 ~waterLevel~0) .cse3 .cse7 .cse4)))) [2020-07-28 18:59:20,762 INFO L264 CegarLoopResult]: At program point L100-3(lines 95 103) the Hoare annotation is: false [2020-07-28 18:59:20,762 INFO L264 CegarLoopResult]: At program point L100-4(lines 95 103) the Hoare annotation is: false [2020-07-28 18:59:20,762 INFO L264 CegarLoopResult]: At program point L100-5(lines 95 103) the Hoare annotation is: false [2020-07-28 18:59:20,762 INFO L264 CegarLoopResult]: At program point L100-6(lines 95 103) the Hoare annotation is: false [2020-07-28 18:59:20,763 INFO L264 CegarLoopResult]: At program point L100-7(lines 95 103) the Hoare annotation is: false [2020-07-28 18:59:20,763 INFO L264 CegarLoopResult]: At program point L100-8(lines 95 103) the Hoare annotation is: false [2020-07-28 18:59:20,763 INFO L268 CegarLoopResult]: For program point L332(lines 332 349) no Hoare annotation was computed. [2020-07-28 18:59:20,763 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 349) no Hoare annotation was computed. [2020-07-28 18:59:20,763 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 349) no Hoare annotation was computed. [2020-07-28 18:59:20,767 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:20,768 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:20,768 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 18:59:20,768 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 18:59:20,769 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L274-1 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L274-1 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L274-1 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L528 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L63-3 has no Hoare annotation [2020-07-28 18:59:20,770 WARN L170 areAnnotationChecker]: L63-3 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L332-1 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L332-1 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L332-1 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L471-3 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L306-3 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L306-3 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L498-2 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L471-3 has no Hoare annotation [2020-07-28 18:59:20,771 WARN L170 areAnnotationChecker]: L471-3 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L140-3 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L140-3 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L498-2 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L498-2 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L471-5 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L452-9 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L502-2 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L336-1 has no Hoare annotation [2020-07-28 18:59:20,772 WARN L170 areAnnotationChecker]: L452-9 has no Hoare annotation [2020-07-28 18:59:20,773 WARN L170 areAnnotationChecker]: L452-9 has no Hoare annotation [2020-07-28 18:59:20,773 WARN L170 areAnnotationChecker]: L502-2 has no Hoare annotation [2020-07-28 18:59:20,773 WARN L170 areAnnotationChecker]: L502-2 has no Hoare annotation [2020-07-28 18:59:20,773 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 18:59:20,774 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 18:59:20,775 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L336-1 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L336-1 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L452-11 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 18:59:20,776 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-28 18:59:20,777 WARN L170 areAnnotationChecker]: L306-2 has no Hoare annotation [2020-07-28 18:59:20,777 WARN L170 areAnnotationChecker]: L306-2 has no Hoare annotation [2020-07-28 18:59:20,777 WARN L170 areAnnotationChecker]: L310-3 has no Hoare annotation [2020-07-28 18:59:20,777 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 18:59:20,777 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 18:59:20,777 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-28 18:59:20,778 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-28 18:59:20,778 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L310-3 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L310-3 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L306-1 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L306-1 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L452-6 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L63-6 has no Hoare annotation [2020-07-28 18:59:20,779 WARN L170 areAnnotationChecker]: L63-6 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L332-2 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L452-6 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L452-6 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L369-6 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L332-2 has no Hoare annotation [2020-07-28 18:59:20,780 WARN L170 areAnnotationChecker]: L332-2 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L471-2 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L452-3 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L502 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L452-8 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L369-6 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L369-6 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L471-6 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L306-5 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L306-5 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L498-4 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 18:59:20,781 WARN L170 areAnnotationChecker]: L452-3 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L452-3 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L502 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L502 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L310-2 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L471-6 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L471-6 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L140-5 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L140-5 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L498-4 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L498-4 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 18:59:20,782 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L452-5 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L310-2 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L310-2 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L471-8 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L452-15 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L502-4 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-28 18:59:20,783 WARN L170 areAnnotationChecker]: L310-1 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L336-2 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L452-15 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L452-15 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L502-4 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L502-4 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L310-1 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L310-1 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L369-4 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L336-2 has no Hoare annotation [2020-07-28 18:59:20,784 WARN L170 areAnnotationChecker]: L336-2 has no Hoare annotation [2020-07-28 18:59:20,785 WARN L170 areAnnotationChecker]: L452-17 has no Hoare annotation [2020-07-28 18:59:20,785 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 18:59:20,785 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 18:59:20,785 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:59:20,786 WARN L170 areAnnotationChecker]: L369-4 has no Hoare annotation [2020-07-28 18:59:20,786 WARN L170 areAnnotationChecker]: L369-4 has no Hoare annotation [2020-07-28 18:59:20,786 WARN L170 areAnnotationChecker]: L306-4 has no Hoare annotation [2020-07-28 18:59:20,786 WARN L170 areAnnotationChecker]: L306-4 has no Hoare annotation [2020-07-28 18:59:20,786 WARN L170 areAnnotationChecker]: L310-5 has no Hoare annotation [2020-07-28 18:59:20,786 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:59:20,786 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:59:20,786 WARN L170 areAnnotationChecker]: L369-2 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L310-5 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L310-5 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L452-2 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L369-2 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L369-2 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L452-12 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L310 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L452-12 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L452-12 has no Hoare annotation [2020-07-28 18:59:20,787 WARN L170 areAnnotationChecker]: L369-10 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L310 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L310 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L452-14 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L369-10 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L369-10 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L310-4 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L369 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L310-4 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L310-4 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L369 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L369 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L369-8 has no Hoare annotation [2020-07-28 18:59:20,788 WARN L170 areAnnotationChecker]: L369-8 has no Hoare annotation [2020-07-28 18:59:20,789 WARN L170 areAnnotationChecker]: L369-8 has no Hoare annotation [2020-07-28 18:59:20,789 INFO L163 areAnnotationChecker]: CFG has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:20,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:20 BoogieIcfgContainer [2020-07-28 18:59:20,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:20,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:20,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:20,826 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:20,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:45" (3/4) ... [2020-07-28 18:59:20,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:20,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:20,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:20,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:20,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:20,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:20,858 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:20,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:20,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && tmp == 0) && 0 == \result) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 18:59:20,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && tmp == 0) && 0 == \result) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == splverifierCounter && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:20,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == \result)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == \result)) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) [2020-07-28 18:59:20,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive) || ((((0 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 1 == systemActive) [2020-07-28 18:59:20,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) || (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || (((((1 == \result && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 18:59:20,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == \result)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 18:59:20,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0) && 0 == tmp) && 1 == systemActive) || (((((((0 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0) && 0 == tmp) && 1 == systemActive) [2020-07-28 18:59:20,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && 0 == tmp___0) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 0 == tmp___0) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 18:59:20,900 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:20,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == \result)) && 0 == pumpRunning) && !(0 == \result)) && 1 == systemActive) [2020-07-28 18:59:21,005 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:21,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:21,008 INFO L168 Benchmark]: Toolchain (without parser) took 37639.83 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 600.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 466.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:21,009 INFO L168 Benchmark]: CDTParser took 0.30 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 18:59:21,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:21,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:21,010 INFO L168 Benchmark]: Boogie Preprocessor took 62.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:21,010 INFO L168 Benchmark]: RCFGBuilder took 1777.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.2 MB in the end (delta: 191.4 MB). Peak memory consumption was 191.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:21,011 INFO L168 Benchmark]: TraceAbstraction took 34825.26 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 454.0 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 267.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:21,011 INFO L168 Benchmark]: Witness Printer took 180.21 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:21,015 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 0.30 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 689.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1777.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.2 MB in the end (delta: 191.4 MB). Peak memory consumption was 191.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34825.26 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 454.0 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 267.7 MB. Max. memory is 11.5 GB. * Witness Printer took 180.21 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) || (((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && 0 == tmp___0) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 0 == tmp___0) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == \result)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) || (((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && tmp == 0) && 0 == \result) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((0 == \result && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive) || ((((0 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) || (((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((0 == \result && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0) && 0 == tmp) && 1 == systemActive) || (((((((0 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0) && 0 == tmp) && 1 == systemActive) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && 1 == methaneLevelCritical) && !(0 == \result)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == \result)) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) || (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || (((((1 == \result && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && tmp == 0) && 0 == \result) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == splverifierCounter && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 == methaneLevelCritical) && !(0 == \result)) && 0 == pumpRunning) && !(0 == \result)) && 1 == systemActive) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.8s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 19.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1413 SDtfs, 1949 SDslu, 2938 SDs, 0 SdLazy, 390 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred 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: 3.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1591 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 827 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1418676 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 359926 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 487 ConstructedInterpolants, 0 QuantifiedInterpolants, 35836 SizeOfPredicates, 7 NumberOfNonLiveVariables, 845 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 48/56 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...