./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product43.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 6b50f176f9cc083683ce70010cc4357ff865e696 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:42,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:42,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:43,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:43,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:43,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:43,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:43,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:43,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:43,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:43,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:43,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:43,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:43,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:43,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:43,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:43,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:43,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:43,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:43,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:43,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:43,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:43,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:43,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:43,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:43,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:43,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:43,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:43,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:43,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:43,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:43,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:43,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:43,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:43,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:43,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:43,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:43,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:43,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:43,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:43,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:43,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:43,091 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:43,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:43,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:43,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:43,094 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:43,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:43,094 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:43,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:43,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:43,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:43,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:43,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:43,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:43,097 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:43,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:43,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:43,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:43,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:43,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:43,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:43,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:43,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:43,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:43,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:43,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:43,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:43,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:43,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:43,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:43,102 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 -> 6b50f176f9cc083683ce70010cc4357ff865e696 [2020-07-28 19:01:43,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:43,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:43,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:43,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:43,438 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:43,439 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c [2020-07-28 19:01:43,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a95b710/dc325f75d8b242e69b50f79300c5a55c/FLAG95e27be6b [2020-07-28 19:01:44,094 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:44,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c [2020-07-28 19:01:44,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a95b710/dc325f75d8b242e69b50f79300c5a55c/FLAG95e27be6b [2020-07-28 19:01:44,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a95b710/dc325f75d8b242e69b50f79300c5a55c [2020-07-28 19:01:44,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:44,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:44,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:44,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:44,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:44,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:44" (1/1) ... [2020-07-28 19:01:44,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae510d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:44, skipping insertion in model container [2020-07-28 19:01:44,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:44" (1/1) ... [2020-07-28 19:01:44,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:44,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:44,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:44,916 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:45,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:45,123 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:45,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45 WrapperNode [2020-07-28 19:01:45,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:45,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:45,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:45,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:45,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:45,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:45,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:45,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:45,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... [2020-07-28 19:01:45,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:45,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:45,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:45,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:45,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:46,893 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:46,894 INFO L295 CfgBuilder]: Removed 124 assume(true) statements. [2020-07-28 19:01:46,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:46 BoogieIcfgContainer [2020-07-28 19:01:46,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:46,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:46,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:46,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:46,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:44" (1/3) ... [2020-07-28 19:01:46,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e259cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:46, skipping insertion in model container [2020-07-28 19:01:46,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:45" (2/3) ... [2020-07-28 19:01:46,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e259cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:46, skipping insertion in model container [2020-07-28 19:01:46,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:46" (3/3) ... [2020-07-28 19:01:46,910 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product43.cil.c [2020-07-28 19:01:46,921 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:46,929 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:46,942 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:46,963 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:46,963 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:46,963 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:46,963 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:46,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:46,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:46,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:46,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:46,986 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-07-28 19:01:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:46,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:46,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:46,996 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:47,001 INFO L82 PathProgramCache]: Analyzing trace with hash 725412282, now seen corresponding path program 1 times [2020-07-28 19:01:47,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:47,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669802576] [2020-07-28 19:01:47,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:47,337 INFO L280 TraceCheckUtils]: 0: Hoare triple {98#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {98#true} is VALID [2020-07-28 19:01:47,338 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {98#true} is VALID [2020-07-28 19:01:47,338 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {98#true} is VALID [2020-07-28 19:01:47,339 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {98#true} is VALID [2020-07-28 19:01:47,339 INFO L280 TraceCheckUtils]: 4: Hoare triple {98#true} assume 0 != main_~tmp~0; {98#true} is VALID [2020-07-28 19:01:47,340 INFO L280 TraceCheckUtils]: 5: Hoare triple {98#true} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {98#true} is VALID [2020-07-28 19:01:47,341 INFO L280 TraceCheckUtils]: 6: Hoare triple {98#true} assume false; {99#false} is VALID [2020-07-28 19:01:47,342 INFO L280 TraceCheckUtils]: 7: Hoare triple {99#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {99#false} is VALID [2020-07-28 19:01:47,342 INFO L280 TraceCheckUtils]: 8: Hoare triple {99#false} assume !(0 != ~pumpRunning~0); {99#false} is VALID [2020-07-28 19:01:47,343 INFO L280 TraceCheckUtils]: 9: Hoare triple {99#false} assume !(0 != ~systemActive~0); {99#false} is VALID [2020-07-28 19:01:47,343 INFO L280 TraceCheckUtils]: 10: Hoare triple {99#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {99#false} is VALID [2020-07-28 19:01:47,344 INFO L280 TraceCheckUtils]: 11: Hoare triple {99#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {99#false} is VALID [2020-07-28 19:01:47,344 INFO L280 TraceCheckUtils]: 12: Hoare triple {99#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {99#false} is VALID [2020-07-28 19:01:47,345 INFO L280 TraceCheckUtils]: 13: Hoare triple {99#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {99#false} is VALID [2020-07-28 19:01:47,345 INFO L280 TraceCheckUtils]: 14: Hoare triple {99#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {99#false} is VALID [2020-07-28 19:01:47,346 INFO L280 TraceCheckUtils]: 15: Hoare triple {99#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {99#false} is VALID [2020-07-28 19:01:47,346 INFO L280 TraceCheckUtils]: 16: Hoare triple {99#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {99#false} is VALID [2020-07-28 19:01:47,346 INFO L280 TraceCheckUtils]: 17: Hoare triple {99#false} assume !false; {99#false} is VALID [2020-07-28 19:01:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:47,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669802576] [2020-07-28 19:01:47,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:47,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:47,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56117559] [2020-07-28 19:01:47,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:47,363 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:47,367 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:47,415 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:47,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:47,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:47,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:47,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:47,429 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 2 states. [2020-07-28 19:01:47,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,752 INFO L93 Difference]: Finished difference Result 184 states and 275 transitions. [2020-07-28 19:01:47,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:47,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 275 transitions. [2020-07-28 19:01:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:47,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 275 transitions. [2020-07-28 19:01:47,819 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 275 transitions. [2020-07-28 19:01:48,276 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 275 edges. 275 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:48,305 INFO L225 Difference]: With dead ends: 184 [2020-07-28 19:01:48,306 INFO L226 Difference]: Without dead ends: 91 [2020-07-28 19:01:48,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:48,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-28 19:01:48,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-28 19:01:48,387 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:48,388 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:48,388 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:48,388 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:48,403 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2020-07-28 19:01:48,403 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2020-07-28 19:01:48,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:48,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:48,406 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:48,406 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:48,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:48,427 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2020-07-28 19:01:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2020-07-28 19:01:48,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:48,431 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:48,432 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:48,432 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-28 19:01:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2020-07-28 19:01:48,444 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 18 [2020-07-28 19:01:48,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:48,445 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2020-07-28 19:01:48,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2020-07-28 19:01:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:48,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:48,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:48,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:48,448 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:48,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:48,449 INFO L82 PathProgramCache]: Analyzing trace with hash -185618471, now seen corresponding path program 1 times [2020-07-28 19:01:48,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:48,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900999706] [2020-07-28 19:01:48,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:48,614 INFO L280 TraceCheckUtils]: 0: Hoare triple {677#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {677#true} is VALID [2020-07-28 19:01:48,614 INFO L280 TraceCheckUtils]: 1: Hoare triple {677#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {677#true} is VALID [2020-07-28 19:01:48,615 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {677#true} is VALID [2020-07-28 19:01:48,615 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {677#true} is VALID [2020-07-28 19:01:48,615 INFO L280 TraceCheckUtils]: 4: Hoare triple {677#true} assume 0 != main_~tmp~0; {677#true} is VALID [2020-07-28 19:01:48,617 INFO L280 TraceCheckUtils]: 5: Hoare triple {677#true} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {679#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:48,618 INFO L280 TraceCheckUtils]: 6: Hoare triple {679#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {679#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:48,619 INFO L280 TraceCheckUtils]: 7: Hoare triple {679#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {678#false} is VALID [2020-07-28 19:01:48,619 INFO L280 TraceCheckUtils]: 8: Hoare triple {678#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {678#false} is VALID [2020-07-28 19:01:48,620 INFO L280 TraceCheckUtils]: 9: Hoare triple {678#false} assume !(0 != ~pumpRunning~0); {678#false} is VALID [2020-07-28 19:01:48,620 INFO L280 TraceCheckUtils]: 10: Hoare triple {678#false} assume !(0 != ~systemActive~0); {678#false} is VALID [2020-07-28 19:01:48,620 INFO L280 TraceCheckUtils]: 11: Hoare triple {678#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {678#false} is VALID [2020-07-28 19:01:48,621 INFO L280 TraceCheckUtils]: 12: Hoare triple {678#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {678#false} is VALID [2020-07-28 19:01:48,621 INFO L280 TraceCheckUtils]: 13: Hoare triple {678#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {678#false} is VALID [2020-07-28 19:01:48,622 INFO L280 TraceCheckUtils]: 14: Hoare triple {678#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {678#false} is VALID [2020-07-28 19:01:48,622 INFO L280 TraceCheckUtils]: 15: Hoare triple {678#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {678#false} is VALID [2020-07-28 19:01:48,622 INFO L280 TraceCheckUtils]: 16: Hoare triple {678#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {678#false} is VALID [2020-07-28 19:01:48,623 INFO L280 TraceCheckUtils]: 17: Hoare triple {678#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {678#false} is VALID [2020-07-28 19:01:48,623 INFO L280 TraceCheckUtils]: 18: Hoare triple {678#false} assume !false; {678#false} is VALID [2020-07-28 19:01:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:48,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900999706] [2020-07-28 19:01:48,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:48,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:48,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974750379] [2020-07-28 19:01:48,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:48,628 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:48,629 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:48,671 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:48,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:48,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:48,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:48,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:48,673 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand 3 states. [2020-07-28 19:01:48,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:48,942 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2020-07-28 19:01:48,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:48,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:48,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2020-07-28 19:01:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2020-07-28 19:01:48,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 129 transitions. [2020-07-28 19:01:49,131 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:49,133 INFO L225 Difference]: With dead ends: 91 [2020-07-28 19:01:49,133 INFO L226 Difference]: Without dead ends: 41 [2020-07-28 19:01:49,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:49,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-28 19:01:49,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-28 19:01:49,157 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:49,157 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:49,157 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:49,157 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:49,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:49,162 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2020-07-28 19:01:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-07-28 19:01:49,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:49,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:49,163 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:49,163 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:49,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:49,166 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2020-07-28 19:01:49,166 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-07-28 19:01:49,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:49,167 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:49,167 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:49,168 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-28 19:01:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2020-07-28 19:01:49,170 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 19 [2020-07-28 19:01:49,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:49,170 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2020-07-28 19:01:49,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-07-28 19:01:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:49,176 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:49,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:49,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:49,176 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:49,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:49,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2096218593, now seen corresponding path program 1 times [2020-07-28 19:01:49,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:49,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146030286] [2020-07-28 19:01:49,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:49,332 INFO L280 TraceCheckUtils]: 0: Hoare triple {952#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {954#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:49,333 INFO L280 TraceCheckUtils]: 1: Hoare triple {954#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {954#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:49,334 INFO L280 TraceCheckUtils]: 2: Hoare triple {954#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {955#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:01:49,341 INFO L280 TraceCheckUtils]: 3: Hoare triple {955#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {956#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} is VALID [2020-07-28 19:01:49,342 INFO L280 TraceCheckUtils]: 4: Hoare triple {956#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} assume 0 != main_~tmp~0; {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,343 INFO L280 TraceCheckUtils]: 5: Hoare triple {957#(not (= 0 ~systemActive~0))} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,344 INFO L280 TraceCheckUtils]: 6: Hoare triple {957#(not (= 0 ~systemActive~0))} assume !false; {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,345 INFO L280 TraceCheckUtils]: 7: Hoare triple {957#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,345 INFO L280 TraceCheckUtils]: 8: Hoare triple {957#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~8 := test_#t~nondet60;havoc test_#t~nondet60; {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,346 INFO L280 TraceCheckUtils]: 9: Hoare triple {957#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~8); {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,347 INFO L280 TraceCheckUtils]: 10: Hoare triple {957#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~2 := test_#t~nondet61;havoc test_#t~nondet61; {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,348 INFO L280 TraceCheckUtils]: 11: Hoare triple {957#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~2); {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,348 INFO L280 TraceCheckUtils]: 12: Hoare triple {957#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,349 INFO L280 TraceCheckUtils]: 13: Hoare triple {957#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,350 INFO L280 TraceCheckUtils]: 14: Hoare triple {957#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {957#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:49,355 INFO L280 TraceCheckUtils]: 15: Hoare triple {957#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {953#false} is VALID [2020-07-28 19:01:49,355 INFO L280 TraceCheckUtils]: 16: Hoare triple {953#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {953#false} is VALID [2020-07-28 19:01:49,355 INFO L280 TraceCheckUtils]: 17: Hoare triple {953#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {953#false} is VALID [2020-07-28 19:01:49,356 INFO L280 TraceCheckUtils]: 18: Hoare triple {953#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {953#false} is VALID [2020-07-28 19:01:49,356 INFO L280 TraceCheckUtils]: 19: Hoare triple {953#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {953#false} is VALID [2020-07-28 19:01:49,357 INFO L280 TraceCheckUtils]: 20: Hoare triple {953#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {953#false} is VALID [2020-07-28 19:01:49,357 INFO L280 TraceCheckUtils]: 21: Hoare triple {953#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {953#false} is VALID [2020-07-28 19:01:49,357 INFO L280 TraceCheckUtils]: 22: Hoare triple {953#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {953#false} is VALID [2020-07-28 19:01:49,357 INFO L280 TraceCheckUtils]: 23: Hoare triple {953#false} assume !false; {953#false} is VALID [2020-07-28 19:01:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:49,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146030286] [2020-07-28 19:01:49,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:49,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:49,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045855017] [2020-07-28 19:01:49,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:01:49,366 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:49,366 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:01:49,403 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:49,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:01:49,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:49,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:01:49,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:01:49,404 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand 6 states. [2020-07-28 19:01:50,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,184 INFO L93 Difference]: Finished difference Result 136 states and 199 transitions. [2020-07-28 19:01:50,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:01:50,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:01:50,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:01:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 199 transitions. [2020-07-28 19:01:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:01:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 199 transitions. [2020-07-28 19:01:50,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 199 transitions. [2020-07-28 19:01:50,426 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:50,432 INFO L225 Difference]: With dead ends: 136 [2020-07-28 19:01:50,432 INFO L226 Difference]: Without dead ends: 101 [2020-07-28 19:01:50,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-28 19:01:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 62. [2020-07-28 19:01:50,514 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:50,514 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 62 states. [2020-07-28 19:01:50,515 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 62 states. [2020-07-28 19:01:50,515 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 62 states. [2020-07-28 19:01:50,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,523 INFO L93 Difference]: Finished difference Result 101 states and 145 transitions. [2020-07-28 19:01:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2020-07-28 19:01:50,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:50,528 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:50,529 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 101 states. [2020-07-28 19:01:50,529 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 101 states. [2020-07-28 19:01:50,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,535 INFO L93 Difference]: Finished difference Result 101 states and 145 transitions. [2020-07-28 19:01:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2020-07-28 19:01:50,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:50,536 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:50,536 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:50,536 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-28 19:01:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2020-07-28 19:01:50,539 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 24 [2020-07-28 19:01:50,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:50,539 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2020-07-28 19:01:50,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:01:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2020-07-28 19:01:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:50,540 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:50,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:50,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:50,541 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:50,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:50,542 INFO L82 PathProgramCache]: Analyzing trace with hash 68887907, now seen corresponding path program 1 times [2020-07-28 19:01:50,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:50,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634428082] [2020-07-28 19:01:50,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:50,702 INFO L280 TraceCheckUtils]: 0: Hoare triple {1445#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,703 INFO L280 TraceCheckUtils]: 1: Hoare triple {1447#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,704 INFO L280 TraceCheckUtils]: 2: Hoare triple {1447#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,705 INFO L280 TraceCheckUtils]: 3: Hoare triple {1447#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,706 INFO L280 TraceCheckUtils]: 4: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,707 INFO L280 TraceCheckUtils]: 5: Hoare triple {1447#(= 0 ~pumpRunning~0)} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,708 INFO L280 TraceCheckUtils]: 6: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume !false; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,708 INFO L280 TraceCheckUtils]: 7: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,709 INFO L280 TraceCheckUtils]: 8: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~8 := test_#t~nondet60;havoc test_#t~nondet60; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,710 INFO L280 TraceCheckUtils]: 9: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~8); {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,711 INFO L280 TraceCheckUtils]: 10: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~2 := test_#t~nondet61;havoc test_#t~nondet61; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,711 INFO L280 TraceCheckUtils]: 11: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,712 INFO L280 TraceCheckUtils]: 12: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,713 INFO L280 TraceCheckUtils]: 13: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,713 INFO L280 TraceCheckUtils]: 14: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,714 INFO L280 TraceCheckUtils]: 15: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1447#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:50,715 INFO L280 TraceCheckUtils]: 16: Hoare triple {1447#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1446#false} is VALID [2020-07-28 19:01:50,715 INFO L280 TraceCheckUtils]: 17: Hoare triple {1446#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1446#false} is VALID [2020-07-28 19:01:50,715 INFO L280 TraceCheckUtils]: 18: Hoare triple {1446#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1446#false} is VALID [2020-07-28 19:01:50,716 INFO L280 TraceCheckUtils]: 19: Hoare triple {1446#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1446#false} is VALID [2020-07-28 19:01:50,716 INFO L280 TraceCheckUtils]: 20: Hoare triple {1446#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1446#false} is VALID [2020-07-28 19:01:50,716 INFO L280 TraceCheckUtils]: 21: Hoare triple {1446#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1446#false} is VALID [2020-07-28 19:01:50,717 INFO L280 TraceCheckUtils]: 22: Hoare triple {1446#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {1446#false} is VALID [2020-07-28 19:01:50,717 INFO L280 TraceCheckUtils]: 23: Hoare triple {1446#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1446#false} is VALID [2020-07-28 19:01:50,717 INFO L280 TraceCheckUtils]: 24: Hoare triple {1446#false} assume !false; {1446#false} is VALID [2020-07-28 19:01:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:50,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634428082] [2020-07-28 19:01:50,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:50,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:50,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882971189] [2020-07-28 19:01:50,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:50,721 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:50,721 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:50,759 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:50,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:50,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:50,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:50,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:50,760 INFO L87 Difference]: Start difference. First operand 62 states and 90 transitions. Second operand 3 states. [2020-07-28 19:01:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,028 INFO L93 Difference]: Finished difference Result 141 states and 207 transitions. [2020-07-28 19:01:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:51,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:51,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2020-07-28 19:01:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2020-07-28 19:01:51,033 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 145 transitions. [2020-07-28 19:01:51,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:51,202 INFO L225 Difference]: With dead ends: 141 [2020-07-28 19:01:51,202 INFO L226 Difference]: Without dead ends: 85 [2020-07-28 19:01:51,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:51,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-28 19:01:51,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2020-07-28 19:01:51,289 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:51,289 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 83 states. [2020-07-28 19:01:51,290 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 83 states. [2020-07-28 19:01:51,290 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 83 states. [2020-07-28 19:01:51,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,293 INFO L93 Difference]: Finished difference Result 85 states and 119 transitions. [2020-07-28 19:01:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2020-07-28 19:01:51,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:51,294 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:51,294 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 85 states. [2020-07-28 19:01:51,294 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 85 states. [2020-07-28 19:01:51,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,297 INFO L93 Difference]: Finished difference Result 85 states and 119 transitions. [2020-07-28 19:01:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2020-07-28 19:01:51,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:51,298 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:51,298 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:51,298 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-07-28 19:01:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 118 transitions. [2020-07-28 19:01:51,302 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 118 transitions. Word has length 25 [2020-07-28 19:01:51,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:51,302 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 118 transitions. [2020-07-28 19:01:51,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:51,303 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2020-07-28 19:01:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:01:51,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:51,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:51,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:51,305 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:51,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:51,305 INFO L82 PathProgramCache]: Analyzing trace with hash -192728908, now seen corresponding path program 1 times [2020-07-28 19:01:51,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:51,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906083330] [2020-07-28 19:01:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:51,410 INFO L280 TraceCheckUtils]: 0: Hoare triple {1937#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,411 INFO L280 TraceCheckUtils]: 1: Hoare triple {1939#(<= ~waterLevel~0 1)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,412 INFO L280 TraceCheckUtils]: 2: Hoare triple {1939#(<= ~waterLevel~0 1)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,413 INFO L280 TraceCheckUtils]: 3: Hoare triple {1939#(<= ~waterLevel~0 1)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,415 INFO L280 TraceCheckUtils]: 4: Hoare triple {1939#(<= ~waterLevel~0 1)} assume 0 != main_~tmp~0; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,417 INFO L280 TraceCheckUtils]: 5: Hoare triple {1939#(<= ~waterLevel~0 1)} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,419 INFO L280 TraceCheckUtils]: 6: Hoare triple {1939#(<= ~waterLevel~0 1)} assume !false; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,420 INFO L280 TraceCheckUtils]: 7: Hoare triple {1939#(<= ~waterLevel~0 1)} assume test_~splverifierCounter~0 < 4; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,420 INFO L280 TraceCheckUtils]: 8: Hoare triple {1939#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~8 := test_#t~nondet60;havoc test_#t~nondet60; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,421 INFO L280 TraceCheckUtils]: 9: Hoare triple {1939#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp~8); {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,422 INFO L280 TraceCheckUtils]: 10: Hoare triple {1939#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~2 := test_#t~nondet61;havoc test_#t~nondet61; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,422 INFO L280 TraceCheckUtils]: 11: Hoare triple {1939#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~2); {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,423 INFO L280 TraceCheckUtils]: 12: Hoare triple {1939#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,424 INFO L280 TraceCheckUtils]: 13: Hoare triple {1939#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet63 && test_#t~nondet63 <= 2147483647;test_~tmp___1~1 := test_#t~nondet63;havoc test_#t~nondet63; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,425 INFO L280 TraceCheckUtils]: 14: Hoare triple {1939#(<= ~waterLevel~0 1)} assume 0 != test_~tmp___1~1; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,425 INFO L280 TraceCheckUtils]: 15: Hoare triple {1939#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,426 INFO L280 TraceCheckUtils]: 16: Hoare triple {1939#(<= ~waterLevel~0 1)} ~systemActive~0 := 0; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,426 INFO L280 TraceCheckUtils]: 17: Hoare triple {1939#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,427 INFO L280 TraceCheckUtils]: 18: Hoare triple {1939#(<= ~waterLevel~0 1)} assume !(0 != ~systemActive~0); {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,428 INFO L280 TraceCheckUtils]: 19: Hoare triple {1939#(<= ~waterLevel~0 1)} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,429 INFO L280 TraceCheckUtils]: 20: Hoare triple {1939#(<= ~waterLevel~0 1)} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1939#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:51,430 INFO L280 TraceCheckUtils]: 21: Hoare triple {1939#(<= ~waterLevel~0 1)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1940#(<= |ULTIMATE.start_getWaterLevel_#res| 1)} is VALID [2020-07-28 19:01:51,431 INFO L280 TraceCheckUtils]: 22: Hoare triple {1940#(<= |ULTIMATE.start_getWaterLevel_#res| 1)} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1941#(<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} is VALID [2020-07-28 19:01:51,432 INFO L280 TraceCheckUtils]: 23: Hoare triple {1941#(<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1938#false} is VALID [2020-07-28 19:01:51,432 INFO L280 TraceCheckUtils]: 24: Hoare triple {1938#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {1938#false} is VALID [2020-07-28 19:01:51,432 INFO L280 TraceCheckUtils]: 25: Hoare triple {1938#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1938#false} is VALID [2020-07-28 19:01:51,433 INFO L280 TraceCheckUtils]: 26: Hoare triple {1938#false} assume !false; {1938#false} is VALID [2020-07-28 19:01:51,435 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 19:01:51,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906083330] [2020-07-28 19:01:51,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:51,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:51,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824985596] [2020-07-28 19:01:51,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:51,437 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:51,437 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:51,478 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:51,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:51,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:51,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:51,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:51,479 INFO L87 Difference]: Start difference. First operand 83 states and 118 transitions. Second operand 5 states. [2020-07-28 19:01:52,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:52,671 INFO L93 Difference]: Finished difference Result 454 states and 665 transitions. [2020-07-28 19:01:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:52,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:52,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 325 transitions. [2020-07-28 19:01:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 325 transitions. [2020-07-28 19:01:52,684 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 325 transitions. [2020-07-28 19:01:53,054 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 325 edges. 325 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:53,068 INFO L225 Difference]: With dead ends: 454 [2020-07-28 19:01:53,068 INFO L226 Difference]: Without dead ends: 377 [2020-07-28 19:01:53,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:53,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-28 19:01:53,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 152. [2020-07-28 19:01:53,305 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:53,305 INFO L82 GeneralOperation]: Start isEquivalent. First operand 377 states. Second operand 152 states. [2020-07-28 19:01:53,305 INFO L74 IsIncluded]: Start isIncluded. First operand 377 states. Second operand 152 states. [2020-07-28 19:01:53,305 INFO L87 Difference]: Start difference. First operand 377 states. Second operand 152 states. [2020-07-28 19:01:53,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:53,321 INFO L93 Difference]: Finished difference Result 377 states and 538 transitions. [2020-07-28 19:01:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 538 transitions. [2020-07-28 19:01:53,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:53,322 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:53,323 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 377 states. [2020-07-28 19:01:53,323 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 377 states. [2020-07-28 19:01:53,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:53,339 INFO L93 Difference]: Finished difference Result 377 states and 538 transitions. [2020-07-28 19:01:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 538 transitions. [2020-07-28 19:01:53,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:53,341 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:53,341 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:53,341 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-28 19:01:53,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 213 transitions. [2020-07-28 19:01:53,347 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 213 transitions. Word has length 27 [2020-07-28 19:01:53,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:53,347 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 213 transitions. [2020-07-28 19:01:53,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 213 transitions. [2020-07-28 19:01:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:01:53,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:53,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:53,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:53,349 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:53,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:53,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1892992650, now seen corresponding path program 1 times [2020-07-28 19:01:53,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:53,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044664752] [2020-07-28 19:01:53,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:53,403 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:53,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:53,494 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:53,495 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:53,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:01:53,624 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:53,624 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:53,624 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-28 19:01:53,625 WARN L170 areAnnotationChecker]: L586 has no Hoare annotation [2020-07-28 19:01:53,625 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:01:53,625 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:01:53,625 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:01:53,625 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 19:01:53,625 WARN L170 areAnnotationChecker]: L171-1 has no Hoare annotation [2020-07-28 19:01:53,625 WARN L170 areAnnotationChecker]: L171-1 has no Hoare annotation [2020-07-28 19:01:53,626 WARN L170 areAnnotationChecker]: L171-1 has no Hoare annotation [2020-07-28 19:01:53,626 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 19:01:53,626 WARN L170 areAnnotationChecker]: L840 has no Hoare annotation [2020-07-28 19:01:53,626 WARN L170 areAnnotationChecker]: L793 has no Hoare annotation [2020-07-28 19:01:53,626 WARN L170 areAnnotationChecker]: L793 has no Hoare annotation [2020-07-28 19:01:53,626 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:53,627 WARN L170 areAnnotationChecker]: L604-1 has no Hoare annotation [2020-07-28 19:01:53,627 WARN L170 areAnnotationChecker]: L604-1 has no Hoare annotation [2020-07-28 19:01:53,627 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2020-07-28 19:01:53,627 WARN L170 areAnnotationChecker]: L855-3 has no Hoare annotation [2020-07-28 19:01:53,627 WARN L170 areAnnotationChecker]: L855-3 has no Hoare annotation [2020-07-28 19:01:53,627 WARN L170 areAnnotationChecker]: L604-2 has no Hoare annotation [2020-07-28 19:01:53,628 WARN L170 areAnnotationChecker]: L604-2 has no Hoare annotation [2020-07-28 19:01:53,628 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-28 19:01:53,628 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-28 19:01:53,628 WARN L170 areAnnotationChecker]: L636-1 has no Hoare annotation [2020-07-28 19:01:53,628 WARN L170 areAnnotationChecker]: L636-1 has no Hoare annotation [2020-07-28 19:01:53,628 WARN L170 areAnnotationChecker]: L611-1 has no Hoare annotation [2020-07-28 19:01:53,629 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 19:01:53,629 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 19:01:53,629 WARN L170 areAnnotationChecker]: L802-1 has no Hoare annotation [2020-07-28 19:01:53,629 WARN L170 areAnnotationChecker]: L932-1 has no Hoare annotation [2020-07-28 19:01:53,629 WARN L170 areAnnotationChecker]: L932-1 has no Hoare annotation [2020-07-28 19:01:53,629 WARN L170 areAnnotationChecker]: L892-3 has no Hoare annotation [2020-07-28 19:01:53,630 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:01:53,630 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 19:01:53,630 WARN L170 areAnnotationChecker]: L937-1 has no Hoare annotation [2020-07-28 19:01:53,630 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 19:01:53,630 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 19:01:53,631 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 19:01:53,631 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 19:01:53,631 WARN L170 areAnnotationChecker]: L812-1 has no Hoare annotation [2020-07-28 19:01:53,631 WARN L170 areAnnotationChecker]: L756-3 has no Hoare annotation [2020-07-28 19:01:53,631 WARN L170 areAnnotationChecker]: L756-3 has no Hoare annotation [2020-07-28 19:01:53,631 WARN L170 areAnnotationChecker]: L171-3 has no Hoare annotation [2020-07-28 19:01:53,632 WARN L170 areAnnotationChecker]: L924-1 has no Hoare annotation [2020-07-28 19:01:53,632 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-28 19:01:53,632 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-28 19:01:53,632 WARN L170 areAnnotationChecker]: L756-5 has no Hoare annotation [2020-07-28 19:01:53,632 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:01:53,632 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:01:53,633 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:01:53,633 WARN L170 areAnnotationChecker]: L171-2 has no Hoare annotation [2020-07-28 19:01:53,633 WARN L170 areAnnotationChecker]: L171-2 has no Hoare annotation [2020-07-28 19:01:53,633 WARN L170 areAnnotationChecker]: L828-1 has no Hoare annotation [2020-07-28 19:01:53,633 WARN L170 areAnnotationChecker]: L828-1 has no Hoare annotation [2020-07-28 19:01:53,633 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:01:53,634 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:01:53,634 WARN L170 areAnnotationChecker]: L762-1 has no Hoare annotation [2020-07-28 19:01:53,634 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:53,634 WARN L170 areAnnotationChecker]: L707-1 has no Hoare annotation [2020-07-28 19:01:53,634 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 19:01:53,634 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 19:01:53,635 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2020-07-28 19:01:53,635 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2020-07-28 19:01:53,635 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-28 19:01:53,635 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-28 19:01:53,635 WARN L170 areAnnotationChecker]: L640-1 has no Hoare annotation [2020-07-28 19:01:53,635 WARN L170 areAnnotationChecker]: L640-1 has no Hoare annotation [2020-07-28 19:01:53,636 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:53,636 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:53,636 WARN L170 areAnnotationChecker]: L175-2 has no Hoare annotation [2020-07-28 19:01:53,636 WARN L170 areAnnotationChecker]: L175-2 has no Hoare annotation [2020-07-28 19:01:53,636 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-28 19:01:53,636 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-28 19:01:53,637 WARN L170 areAnnotationChecker]: L611 has no Hoare annotation [2020-07-28 19:01:53,637 WARN L170 areAnnotationChecker]: L770-1 has no Hoare annotation [2020-07-28 19:01:53,637 WARN L170 areAnnotationChecker]: L892-2 has no Hoare annotation [2020-07-28 19:01:53,637 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:01:53,637 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:01:53,638 WARN L170 areAnnotationChecker]: L148-1 has no Hoare annotation [2020-07-28 19:01:53,638 WARN L170 areAnnotationChecker]: L148-1 has no Hoare annotation [2020-07-28 19:01:53,638 WARN L170 areAnnotationChecker]: L932 has no Hoare annotation [2020-07-28 19:01:53,638 WARN L170 areAnnotationChecker]: L932 has no Hoare annotation [2020-07-28 19:01:53,638 WARN L170 areAnnotationChecker]: L892-1 has no Hoare annotation [2020-07-28 19:01:53,638 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-28 19:01:53,639 WARN L170 areAnnotationChecker]: L855-6 has no Hoare annotation [2020-07-28 19:01:53,639 WARN L170 areAnnotationChecker]: L855-6 has no Hoare annotation [2020-07-28 19:01:53,639 WARN L170 areAnnotationChecker]: L604-3 has no Hoare annotation [2020-07-28 19:01:53,639 WARN L170 areAnnotationChecker]: L604-3 has no Hoare annotation [2020-07-28 19:01:53,639 WARN L170 areAnnotationChecker]: L937 has no Hoare annotation [2020-07-28 19:01:53,639 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 19:01:53,640 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 19:01:53,640 WARN L170 areAnnotationChecker]: L673-2 has no Hoare annotation [2020-07-28 19:01:53,640 WARN L170 areAnnotationChecker]: L673-2 has no Hoare annotation [2020-07-28 19:01:53,640 WARN L170 areAnnotationChecker]: L636-2 has no Hoare annotation [2020-07-28 19:01:53,640 WARN L170 areAnnotationChecker]: L636-2 has no Hoare annotation [2020-07-28 19:01:53,640 WARN L170 areAnnotationChecker]: L611-2 has no Hoare annotation [2020-07-28 19:01:53,641 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-28 19:01:53,641 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-28 19:01:53,641 WARN L170 areAnnotationChecker]: L924 has no Hoare annotation [2020-07-28 19:01:53,641 WARN L170 areAnnotationChecker]: L932-2 has no Hoare annotation [2020-07-28 19:01:53,641 WARN L170 areAnnotationChecker]: L932-2 has no Hoare annotation [2020-07-28 19:01:53,641 WARN L170 areAnnotationChecker]: L892-5 has no Hoare annotation [2020-07-28 19:01:53,642 WARN L170 areAnnotationChecker]: L756-2 has no Hoare annotation [2020-07-28 19:01:53,642 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 19:01:53,642 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 19:01:53,642 WARN L170 areAnnotationChecker]: L937-2 has no Hoare annotation [2020-07-28 19:01:53,642 WARN L170 areAnnotationChecker]: L165-4 has no Hoare annotation [2020-07-28 19:01:53,642 WARN L170 areAnnotationChecker]: L165-4 has no Hoare annotation [2020-07-28 19:01:53,642 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-28 19:01:53,643 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-28 19:01:53,643 WARN L170 areAnnotationChecker]: L756-6 has no Hoare annotation [2020-07-28 19:01:53,643 WARN L170 areAnnotationChecker]: L756-6 has no Hoare annotation [2020-07-28 19:01:53,643 WARN L170 areAnnotationChecker]: L171-5 has no Hoare annotation [2020-07-28 19:01:53,643 WARN L170 areAnnotationChecker]: L924-2 has no Hoare annotation [2020-07-28 19:01:53,643 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2020-07-28 19:01:53,644 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2020-07-28 19:01:53,644 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 19:01:53,644 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 19:01:53,644 WARN L170 areAnnotationChecker]: L756-8 has no Hoare annotation [2020-07-28 19:01:53,644 WARN L170 areAnnotationChecker]: L171-4 has no Hoare annotation [2020-07-28 19:01:53,644 WARN L170 areAnnotationChecker]: L171-4 has no Hoare annotation [2020-07-28 19:01:53,645 WARN L170 areAnnotationChecker]: L892 has no Hoare annotation [2020-07-28 19:01:53,645 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-28 19:01:53,645 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-28 19:01:53,645 WARN L170 areAnnotationChecker]: L762-2 has no Hoare annotation [2020-07-28 19:01:53,645 WARN L170 areAnnotationChecker]: L707-2 has no Hoare annotation [2020-07-28 19:01:53,645 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-28 19:01:53,646 WARN L170 areAnnotationChecker]: L640-2 has no Hoare annotation [2020-07-28 19:01:53,646 WARN L170 areAnnotationChecker]: L640-2 has no Hoare annotation [2020-07-28 19:01:53,646 WARN L170 areAnnotationChecker]: L175-4 has no Hoare annotation [2020-07-28 19:01:53,646 WARN L170 areAnnotationChecker]: L175-4 has no Hoare annotation [2020-07-28 19:01:53,646 WARN L170 areAnnotationChecker]: L673 has no Hoare annotation [2020-07-28 19:01:53,646 WARN L170 areAnnotationChecker]: L673 has no Hoare annotation [2020-07-28 19:01:53,647 WARN L170 areAnnotationChecker]: L892-4 has no Hoare annotation [2020-07-28 19:01:53,647 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 19:01:53,647 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 19:01:53,647 WARN L170 areAnnotationChecker]: L698-2 has no Hoare annotation [2020-07-28 19:01:53,647 WARN L170 areAnnotationChecker]: L673-4 has no Hoare annotation [2020-07-28 19:01:53,647 WARN L170 areAnnotationChecker]: L673-4 has no Hoare annotation [2020-07-28 19:01:53,648 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:53,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:53 BoogieIcfgContainer [2020-07-28 19:01:53,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:53,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:53,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:53,652 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:53,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:46" (3/4) ... [2020-07-28 19:01:53,655 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:53,791 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:53,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:53,795 INFO L168 Benchmark]: Toolchain (without parser) took 9420.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.1 MB). Free memory was 961.6 MB in the beginning and 1.0 GB in the end (delta: -56.7 MB). Peak memory consumption was 279.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:53,796 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:53,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:53,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:53,797 INFO L168 Benchmark]: Boogie Preprocessor took 70.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:53,798 INFO L168 Benchmark]: RCFGBuilder took 1594.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.5 MB in the end (delta: 166.1 MB). Peak memory consumption was 166.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:53,798 INFO L168 Benchmark]: TraceAbstraction took 6750.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 956.5 MB in the beginning and 1.0 GB in the end (delta: -90.2 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:53,799 INFO L168 Benchmark]: Witness Printer took 140.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:53,801 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 0.28 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 746.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.46 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 70.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1594.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.5 MB in the end (delta: 166.1 MB). Peak memory consumption was 166.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6750.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 956.5 MB in the beginning and 1.0 GB in the end (delta: -90.2 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. * Witness Printer took 140.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L359] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int pumpRunning = 0; [L598] int systemActive = 1; [L849] int waterLevel = 1; [L850] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L582] int retValue_acc ; [L585] retValue_acc = 1 [L586] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L783] int splverifierCounter ; [L784] int tmp ; [L785] int tmp___0 ; [L786] int tmp___1 ; [L787] int tmp___2 ; [L790] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L794] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L800] tmp = __VERIFIER_nondet_int() [L802] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L867] COND TRUE waterLevel < 2 [L868] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L810] tmp___0 = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L820] tmp___2 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___2)) [L826] tmp___1 = __VERIFIER_nondet_int() [L828] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L770] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L777] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L604] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L611] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L888] int retValue_acc ; [L891] retValue_acc = methaneLevelCritical [L892] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L163] tmp = isMethaneLevelCritical() [L165] COND FALSE !(\read(tmp)) [L920] int retValue_acc ; [L923] retValue_acc = waterLevel [L924] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L169] tmp___0 = getWaterLevel() [L171] COND TRUE tmp___0 == 2 [L703] int retValue_acc ; [L706] retValue_acc = pumpRunning [L707] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L173] tmp___1 = isPumpRunning() [L175] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L148] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 391 SDtfs, 546 SDslu, 543 SDs, 0 SdLazy, 73 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 266 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 5373 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...