./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product54.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 72d06b83689108b06d89f4f95641f29fdbb51231 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:58:31,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:31,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:31,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:31,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:31,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:31,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:31,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:31,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:31,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:31,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:31,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:31,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:31,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:31,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:31,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:31,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:31,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:31,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:31,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:31,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:31,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:31,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:31,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:31,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:31,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:31,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:31,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:31,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:31,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:31,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:31,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:31,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:31,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:31,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:31,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:31,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:31,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:31,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:31,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:31,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:31,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:31,132 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:31,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:31,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:31,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:31,134 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:31,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:31,137 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:31,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:31,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:31,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:31,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:31,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:31,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:31,139 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:31,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:31,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:31,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:31,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:31,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:31,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:31,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:31,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:31,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:31,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:31,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:31,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:31,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:31,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:31,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:31,144 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 -> 72d06b83689108b06d89f4f95641f29fdbb51231 [2020-07-28 18:58:31,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:31,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:31,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:31,473 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:31,474 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:31,474 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2020-07-28 18:58:31,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a76a974/4e552529af804863ba7e7009a6e3905d/FLAGb9c05cb4c [2020-07-28 18:58:32,037 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:32,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2020-07-28 18:58:32,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a76a974/4e552529af804863ba7e7009a6e3905d/FLAGb9c05cb4c [2020-07-28 18:58:32,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a76a974/4e552529af804863ba7e7009a6e3905d [2020-07-28 18:58:32,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:32,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:32,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:32,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:32,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:32,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:32" (1/1) ... [2020-07-28 18:58:32,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62886f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:32, skipping insertion in model container [2020-07-28 18:58:32,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:32" (1/1) ... [2020-07-28 18:58:32,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:32,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:32,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:32,940 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:33,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:33,062 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:33,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33 WrapperNode [2020-07-28 18:58:33,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:33,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:33,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:33,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:33,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:33,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:33,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:33,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:33,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:33,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:33,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:33,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:33,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:35,218 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:35,219 INFO L295 CfgBuilder]: Removed 278 assume(true) statements. [2020-07-28 18:58:35,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:35 BoogieIcfgContainer [2020-07-28 18:58:35,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:35,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:35,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:35,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:35,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:32" (1/3) ... [2020-07-28 18:58:35,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d60d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:35, skipping insertion in model container [2020-07-28 18:58:35,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (2/3) ... [2020-07-28 18:58:35,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d60d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:35, skipping insertion in model container [2020-07-28 18:58:35,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:35" (3/3) ... [2020-07-28 18:58:35,234 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product54.cil.c [2020-07-28 18:58:35,244 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:35,251 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:35,265 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:35,289 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:35,290 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:35,290 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:35,290 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:35,290 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:35,291 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:35,291 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:35,291 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-07-28 18:58:35,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:35,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:35,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:35,320 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:35,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:35,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2020-07-28 18:58:35,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:35,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469075246] [2020-07-28 18:58:35,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:35,621 INFO L280 TraceCheckUtils]: 0: Hoare triple {192#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {192#true} is VALID [2020-07-28 18:58:35,621 INFO L280 TraceCheckUtils]: 1: Hoare triple {192#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {192#true} is VALID [2020-07-28 18:58:35,622 INFO L280 TraceCheckUtils]: 2: Hoare triple {192#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {192#true} is VALID [2020-07-28 18:58:35,622 INFO L280 TraceCheckUtils]: 3: Hoare triple {192#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; {192#true} is VALID [2020-07-28 18:58:35,623 INFO L280 TraceCheckUtils]: 4: Hoare triple {192#true} assume 0 != main_~tmp~0; {192#true} is VALID [2020-07-28 18:58:35,624 INFO L280 TraceCheckUtils]: 5: Hoare triple {192#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {192#true} is VALID [2020-07-28 18:58:35,625 INFO L280 TraceCheckUtils]: 6: Hoare triple {192#true} assume false; {193#false} is VALID [2020-07-28 18:58:35,625 INFO L280 TraceCheckUtils]: 7: Hoare triple {193#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {193#false} is VALID [2020-07-28 18:58:35,626 INFO L280 TraceCheckUtils]: 8: Hoare triple {193#false} assume !(0 != ~pumpRunning~0); {193#false} is VALID [2020-07-28 18:58:35,626 INFO L280 TraceCheckUtils]: 9: Hoare triple {193#false} assume !(0 != ~systemActive~0); {193#false} is VALID [2020-07-28 18:58:35,627 INFO L280 TraceCheckUtils]: 10: Hoare triple {193#false} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {193#false} is VALID [2020-07-28 18:58:35,627 INFO L280 TraceCheckUtils]: 11: Hoare triple {193#false} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {193#false} is VALID [2020-07-28 18:58:35,628 INFO L280 TraceCheckUtils]: 12: Hoare triple {193#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {193#false} is VALID [2020-07-28 18:58:35,628 INFO L280 TraceCheckUtils]: 13: Hoare triple {193#false} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {193#false} is VALID [2020-07-28 18:58:35,628 INFO L280 TraceCheckUtils]: 14: Hoare triple {193#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {193#false} is VALID [2020-07-28 18:58:35,629 INFO L280 TraceCheckUtils]: 15: Hoare triple {193#false} assume !false; {193#false} is VALID [2020-07-28 18:58:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:35,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469075246] [2020-07-28 18:58:35,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:35,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:35,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204506038] [2020-07-28 18:58:35,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:35,643 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:35,647 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:35,684 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:35,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:35,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:35,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:35,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:35,696 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2020-07-28 18:58:36,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:36,081 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2020-07-28 18:58:36,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:36,081 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:36,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:36,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 569 transitions. [2020-07-28 18:58:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 569 transitions. [2020-07-28 18:58:36,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 569 transitions. [2020-07-28 18:58:36,835 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 569 edges. 569 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:36,867 INFO L225 Difference]: With dead ends: 372 [2020-07-28 18:58:36,868 INFO L226 Difference]: Without dead ends: 185 [2020-07-28 18:58:36,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:36,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-28 18:58:36,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-07-28 18:58:36,948 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:36,949 INFO L82 GeneralOperation]: Start isEquivalent. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:36,949 INFO L74 IsIncluded]: Start isIncluded. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:36,949 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:36,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:36,962 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-07-28 18:58:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-07-28 18:58:36,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:36,964 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:36,965 INFO L74 IsIncluded]: Start isIncluded. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:36,965 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:36,976 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-07-28 18:58:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-07-28 18:58:36,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:36,978 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:36,978 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:36,978 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-07-28 18:58:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2020-07-28 18:58:36,990 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2020-07-28 18:58:36,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:36,990 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2020-07-28 18:58:36,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:36,991 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-07-28 18:58:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:36,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:36,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:36,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:36,992 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:36,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:36,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2020-07-28 18:58:36,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:36,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834523614] [2020-07-28 18:58:36,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:37,129 INFO L280 TraceCheckUtils]: 0: Hoare triple {1319#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1319#true} is VALID [2020-07-28 18:58:37,129 INFO L280 TraceCheckUtils]: 1: Hoare triple {1319#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1319#true} is VALID [2020-07-28 18:58:37,130 INFO L280 TraceCheckUtils]: 2: Hoare triple {1319#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1319#true} is VALID [2020-07-28 18:58:37,130 INFO L280 TraceCheckUtils]: 3: Hoare triple {1319#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; {1319#true} is VALID [2020-07-28 18:58:37,130 INFO L280 TraceCheckUtils]: 4: Hoare triple {1319#true} assume 0 != main_~tmp~0; {1319#true} is VALID [2020-07-28 18:58:37,131 INFO L280 TraceCheckUtils]: 5: Hoare triple {1319#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1321#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:37,132 INFO L280 TraceCheckUtils]: 6: Hoare triple {1321#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1321#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:37,133 INFO L280 TraceCheckUtils]: 7: Hoare triple {1321#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1320#false} is VALID [2020-07-28 18:58:37,133 INFO L280 TraceCheckUtils]: 8: Hoare triple {1320#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1320#false} is VALID [2020-07-28 18:58:37,133 INFO L280 TraceCheckUtils]: 9: Hoare triple {1320#false} assume !(0 != ~pumpRunning~0); {1320#false} is VALID [2020-07-28 18:58:37,134 INFO L280 TraceCheckUtils]: 10: Hoare triple {1320#false} assume !(0 != ~systemActive~0); {1320#false} is VALID [2020-07-28 18:58:37,134 INFO L280 TraceCheckUtils]: 11: Hoare triple {1320#false} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1320#false} is VALID [2020-07-28 18:58:37,134 INFO L280 TraceCheckUtils]: 12: Hoare triple {1320#false} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {1320#false} is VALID [2020-07-28 18:58:37,135 INFO L280 TraceCheckUtils]: 13: Hoare triple {1320#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {1320#false} is VALID [2020-07-28 18:58:37,135 INFO L280 TraceCheckUtils]: 14: Hoare triple {1320#false} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {1320#false} is VALID [2020-07-28 18:58:37,135 INFO L280 TraceCheckUtils]: 15: Hoare triple {1320#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {1320#false} is VALID [2020-07-28 18:58:37,136 INFO L280 TraceCheckUtils]: 16: Hoare triple {1320#false} assume !false; {1320#false} is VALID [2020-07-28 18:58:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:37,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834523614] [2020-07-28 18:58:37,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:37,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:37,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75640484] [2020-07-28 18:58:37,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:37,141 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:37,141 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:37,176 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:37,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:37,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:37,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:37,177 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2020-07-28 18:58:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,457 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-07-28 18:58:37,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:37,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:37,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2020-07-28 18:58:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:37,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2020-07-28 18:58:37,465 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 276 transitions. [2020-07-28 18:58:37,769 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 276 edges. 276 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,771 INFO L225 Difference]: With dead ends: 185 [2020-07-28 18:58:37,771 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:58:37,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:37,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:58:37,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:58:37,802 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:37,802 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:37,802 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:37,802 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:37,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,805 INFO L93 Difference]: Finished difference Result 71 states and 105 transitions. [2020-07-28 18:58:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-07-28 18:58:37,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,806 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,806 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:37,806 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:37,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,809 INFO L93 Difference]: Finished difference Result 71 states and 105 transitions. [2020-07-28 18:58:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-07-28 18:58:37,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,810 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,810 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:37,810 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:58:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-07-28 18:58:37,813 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2020-07-28 18:58:37,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:37,813 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-07-28 18:58:37,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-07-28 18:58:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:37,814 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:37,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:37,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:37,815 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:37,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:37,815 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2020-07-28 18:58:37,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:37,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867357439] [2020-07-28 18:58:37,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:37,924 INFO L280 TraceCheckUtils]: 0: Hoare triple {1812#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1812#true} is VALID [2020-07-28 18:58:37,925 INFO L280 TraceCheckUtils]: 1: Hoare triple {1812#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1812#true} is VALID [2020-07-28 18:58:37,926 INFO L280 TraceCheckUtils]: 2: Hoare triple {1812#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1814#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:58:37,926 INFO L280 TraceCheckUtils]: 3: Hoare triple {1814#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1815#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 18:58:37,927 INFO L280 TraceCheckUtils]: 4: Hoare triple {1815#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {1812#true} is VALID [2020-07-28 18:58:37,927 INFO L280 TraceCheckUtils]: 5: Hoare triple {1812#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1812#true} is VALID [2020-07-28 18:58:37,927 INFO L280 TraceCheckUtils]: 6: Hoare triple {1812#true} assume !false; {1812#true} is VALID [2020-07-28 18:58:37,927 INFO L280 TraceCheckUtils]: 7: Hoare triple {1812#true} assume test_~splverifierCounter~0 < 4; {1812#true} is VALID [2020-07-28 18:58:37,928 INFO L280 TraceCheckUtils]: 8: Hoare triple {1812#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; {1812#true} is VALID [2020-07-28 18:58:37,928 INFO L280 TraceCheckUtils]: 9: Hoare triple {1812#true} assume !(0 != test_~tmp~1); {1812#true} is VALID [2020-07-28 18:58:37,928 INFO L280 TraceCheckUtils]: 10: Hoare triple {1812#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {1812#true} is VALID [2020-07-28 18:58:37,929 INFO L280 TraceCheckUtils]: 11: Hoare triple {1812#true} assume !(0 != test_~tmp___0~0); {1812#true} is VALID [2020-07-28 18:58:37,929 INFO L280 TraceCheckUtils]: 12: Hoare triple {1812#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {1812#true} is VALID [2020-07-28 18:58:37,930 INFO L280 TraceCheckUtils]: 13: Hoare triple {1812#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1816#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:37,931 INFO L280 TraceCheckUtils]: 14: Hoare triple {1816#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1816#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:37,931 INFO L280 TraceCheckUtils]: 15: Hoare triple {1816#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1813#false} is VALID [2020-07-28 18:58:37,931 INFO L280 TraceCheckUtils]: 16: Hoare triple {1813#false} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1813#false} is VALID [2020-07-28 18:58:37,932 INFO L280 TraceCheckUtils]: 17: Hoare triple {1813#false} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {1813#false} is VALID [2020-07-28 18:58:37,932 INFO L280 TraceCheckUtils]: 18: Hoare triple {1813#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {1813#false} is VALID [2020-07-28 18:58:37,932 INFO L280 TraceCheckUtils]: 19: Hoare triple {1813#false} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {1813#false} is VALID [2020-07-28 18:58:37,933 INFO L280 TraceCheckUtils]: 20: Hoare triple {1813#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {1813#false} is VALID [2020-07-28 18:58:37,933 INFO L280 TraceCheckUtils]: 21: Hoare triple {1813#false} assume !false; {1813#false} is VALID [2020-07-28 18:58:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:37,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867357439] [2020-07-28 18:58:37,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:37,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:37,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401578620] [2020-07-28 18:58:37,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:58:37,936 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:37,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:37,977 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:37,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:37,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:37,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:37,978 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 5 states. [2020-07-28 18:58:38,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,489 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2020-07-28 18:58:38,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:58:38,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:58:38,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 204 transitions. [2020-07-28 18:58:38,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:38,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 204 transitions. [2020-07-28 18:58:38,496 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 204 transitions. [2020-07-28 18:58:38,777 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:38,780 INFO L225 Difference]: With dead ends: 136 [2020-07-28 18:58:38,781 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:58:38,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:38,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:58:38,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:58:38,850 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:38,850 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,850 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,850 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,854 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-07-28 18:58:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-07-28 18:58:38,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:38,855 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:38,862 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,862 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,866 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-07-28 18:58:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-07-28 18:58:38,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:38,867 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:38,868 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:38,868 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:38,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:58:38,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2020-07-28 18:58:38,873 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2020-07-28 18:58:38,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:38,874 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2020-07-28 18:58:38,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-07-28 18:58:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:38,875 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:38,875 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 18:58:38,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:38,876 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:38,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:38,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2020-07-28 18:58:38,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:38,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803577449] [2020-07-28 18:58:38,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:39,016 INFO L280 TraceCheckUtils]: 0: Hoare triple {2245#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,017 INFO L280 TraceCheckUtils]: 1: Hoare triple {2247#(= 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; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,018 INFO L280 TraceCheckUtils]: 2: Hoare triple {2247#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,018 INFO L280 TraceCheckUtils]: 3: Hoare triple {2247#(= 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; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,019 INFO L280 TraceCheckUtils]: 4: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,020 INFO L280 TraceCheckUtils]: 5: Hoare triple {2247#(= 0 ~pumpRunning~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,020 INFO L280 TraceCheckUtils]: 6: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume !false; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,021 INFO L280 TraceCheckUtils]: 7: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,022 INFO L280 TraceCheckUtils]: 8: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,022 INFO L280 TraceCheckUtils]: 9: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~1); {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,023 INFO L280 TraceCheckUtils]: 10: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,024 INFO L280 TraceCheckUtils]: 11: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,024 INFO L280 TraceCheckUtils]: 12: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,025 INFO L280 TraceCheckUtils]: 13: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,026 INFO L280 TraceCheckUtils]: 14: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,026 INFO L280 TraceCheckUtils]: 15: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,027 INFO L280 TraceCheckUtils]: 16: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,028 INFO L280 TraceCheckUtils]: 17: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {2247#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,028 INFO L280 TraceCheckUtils]: 18: Hoare triple {2247#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {2246#false} is VALID [2020-07-28 18:58:39,029 INFO L280 TraceCheckUtils]: 19: Hoare triple {2246#false} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {2246#false} is VALID [2020-07-28 18:58:39,029 INFO L280 TraceCheckUtils]: 20: Hoare triple {2246#false} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {2246#false} is VALID [2020-07-28 18:58:39,029 INFO L280 TraceCheckUtils]: 21: Hoare triple {2246#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {2246#false} is VALID [2020-07-28 18:58:39,030 INFO L280 TraceCheckUtils]: 22: Hoare triple {2246#false} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {2246#false} is VALID [2020-07-28 18:58:39,030 INFO L280 TraceCheckUtils]: 23: Hoare triple {2246#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {2246#false} is VALID [2020-07-28 18:58:39,030 INFO L280 TraceCheckUtils]: 24: Hoare triple {2246#false} assume !false; {2246#false} is VALID [2020-07-28 18:58:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:39,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803577449] [2020-07-28 18:58:39,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:39,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:39,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281064434] [2020-07-28 18:58:39,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 18:58:39,034 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:39,034 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:39,069 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 18:58:39,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:39,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:39,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:39,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:39,070 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2020-07-28 18:58:39,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,409 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-07-28 18:58:39,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:39,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 18:58:39,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2020-07-28 18:58:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2020-07-28 18:58:39,422 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 214 transitions. [2020-07-28 18:58:39,682 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 214 edges. 214 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:39,684 INFO L225 Difference]: With dead ends: 145 [2020-07-28 18:58:39,684 INFO L226 Difference]: Without dead ends: 80 [2020-07-28 18:58:39,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:39,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-28 18:58:39,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2020-07-28 18:58:39,773 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:39,773 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 78 states. [2020-07-28 18:58:39,774 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 78 states. [2020-07-28 18:58:39,774 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 78 states. [2020-07-28 18:58:39,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,778 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2020-07-28 18:58:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2020-07-28 18:58:39,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:39,779 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:39,779 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 80 states. [2020-07-28 18:58:39,779 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 80 states. [2020-07-28 18:58:39,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,782 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2020-07-28 18:58:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2020-07-28 18:58:39,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:39,783 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:39,783 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:39,783 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-28 18:58:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2020-07-28 18:58:39,786 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2020-07-28 18:58:39,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:39,786 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2020-07-28 18:58:39,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-07-28 18:58:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:39,788 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:39,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:39,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:39,788 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:39,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:39,789 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2020-07-28 18:58:39,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:39,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674597050] [2020-07-28 18:58:39,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:39,855 INFO L280 TraceCheckUtils]: 0: Hoare triple {2713#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2713#true} is VALID [2020-07-28 18:58:39,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {2713#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {2713#true} is VALID [2020-07-28 18:58:39,855 INFO L280 TraceCheckUtils]: 2: Hoare triple {2713#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {2713#true} is VALID [2020-07-28 18:58:39,856 INFO L280 TraceCheckUtils]: 3: Hoare triple {2713#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; {2713#true} is VALID [2020-07-28 18:58:39,856 INFO L280 TraceCheckUtils]: 4: Hoare triple {2713#true} assume 0 != main_~tmp~0; {2713#true} is VALID [2020-07-28 18:58:39,857 INFO L280 TraceCheckUtils]: 5: Hoare triple {2713#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2713#true} is VALID [2020-07-28 18:58:39,857 INFO L280 TraceCheckUtils]: 6: Hoare triple {2713#true} assume !false; {2713#true} is VALID [2020-07-28 18:58:39,857 INFO L280 TraceCheckUtils]: 7: Hoare triple {2713#true} assume test_~splverifierCounter~0 < 4; {2713#true} is VALID [2020-07-28 18:58:39,857 INFO L280 TraceCheckUtils]: 8: Hoare triple {2713#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; {2713#true} is VALID [2020-07-28 18:58:39,858 INFO L280 TraceCheckUtils]: 9: Hoare triple {2713#true} assume !(0 != test_~tmp~1); {2713#true} is VALID [2020-07-28 18:58:39,858 INFO L280 TraceCheckUtils]: 10: Hoare triple {2713#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {2713#true} is VALID [2020-07-28 18:58:39,858 INFO L280 TraceCheckUtils]: 11: Hoare triple {2713#true} assume !(0 != test_~tmp___0~0); {2713#true} is VALID [2020-07-28 18:58:39,859 INFO L280 TraceCheckUtils]: 12: Hoare triple {2713#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {2713#true} is VALID [2020-07-28 18:58:39,859 INFO L280 TraceCheckUtils]: 13: Hoare triple {2713#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2713#true} is VALID [2020-07-28 18:58:39,859 INFO L280 TraceCheckUtils]: 14: Hoare triple {2713#true} assume !(0 != ~pumpRunning~0); {2713#true} is VALID [2020-07-28 18:58:39,859 INFO L280 TraceCheckUtils]: 15: Hoare triple {2713#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {2713#true} is VALID [2020-07-28 18:58:39,860 INFO L280 TraceCheckUtils]: 16: Hoare triple {2713#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; {2713#true} is VALID [2020-07-28 18:58:39,860 INFO L280 TraceCheckUtils]: 17: Hoare triple {2713#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {2713#true} is VALID [2020-07-28 18:58:39,860 INFO L280 TraceCheckUtils]: 18: Hoare triple {2713#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {2713#true} is VALID [2020-07-28 18:58:39,860 INFO L280 TraceCheckUtils]: 19: Hoare triple {2713#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {2713#true} is VALID [2020-07-28 18:58:39,861 INFO L280 TraceCheckUtils]: 20: Hoare triple {2713#true} isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret25 && isHighWaterLevel_#t~ret25 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; {2713#true} is VALID [2020-07-28 18:58:39,863 INFO L280 TraceCheckUtils]: 21: Hoare triple {2713#true} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; {2715#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:58:39,863 INFO L280 TraceCheckUtils]: 22: Hoare triple {2715#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {2716#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:39,864 INFO L280 TraceCheckUtils]: 23: Hoare triple {2716#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret5 && processEnvironment__wrappee__highWaterSensor_#t~ret5 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; {2717#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)} is VALID [2020-07-28 18:58:39,865 INFO L280 TraceCheckUtils]: 24: Hoare triple {2717#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {2714#false} is VALID [2020-07-28 18:58:39,865 INFO L280 TraceCheckUtils]: 25: Hoare triple {2714#false} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {2714#false} is VALID [2020-07-28 18:58:39,865 INFO L280 TraceCheckUtils]: 26: Hoare triple {2714#false} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {2714#false} is VALID [2020-07-28 18:58:39,866 INFO L280 TraceCheckUtils]: 27: Hoare triple {2714#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {2714#false} is VALID [2020-07-28 18:58:39,866 INFO L280 TraceCheckUtils]: 28: Hoare triple {2714#false} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {2714#false} is VALID [2020-07-28 18:58:39,866 INFO L280 TraceCheckUtils]: 29: Hoare triple {2714#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {2714#false} is VALID [2020-07-28 18:58:39,866 INFO L280 TraceCheckUtils]: 30: Hoare triple {2714#false} assume !false; {2714#false} is VALID [2020-07-28 18:58:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:39,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674597050] [2020-07-28 18:58:39,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:39,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:39,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652198376] [2020-07-28 18:58:39,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:39,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:39,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:39,914 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:39,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:39,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:39,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:39,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:39,915 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2020-07-28 18:58:40,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,569 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2020-07-28 18:58:40,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:40,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:40,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 231 transitions. [2020-07-28 18:58:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 231 transitions. [2020-07-28 18:58:40,576 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 231 transitions. [2020-07-28 18:58:40,817 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:40,820 INFO L225 Difference]: With dead ends: 204 [2020-07-28 18:58:40,820 INFO L226 Difference]: Without dead ends: 132 [2020-07-28 18:58:40,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:40,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-28 18:58:40,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2020-07-28 18:58:40,923 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:40,923 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand 87 states. [2020-07-28 18:58:40,923 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 87 states. [2020-07-28 18:58:40,923 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 87 states. [2020-07-28 18:58:40,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,928 INFO L93 Difference]: Finished difference Result 132 states and 178 transitions. [2020-07-28 18:58:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 178 transitions. [2020-07-28 18:58:40,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,929 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,929 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 132 states. [2020-07-28 18:58:40,929 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 132 states. [2020-07-28 18:58:40,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,936 INFO L93 Difference]: Finished difference Result 132 states and 178 transitions. [2020-07-28 18:58:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 178 transitions. [2020-07-28 18:58:40,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,937 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:40,937 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:40,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-28 18:58:40,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-07-28 18:58:40,941 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2020-07-28 18:58:40,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:40,942 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-07-28 18:58:40,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-07-28 18:58:40,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:40,944 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:40,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:40,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:40,945 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:40,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:40,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2020-07-28 18:58:40,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:40,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524767207] [2020-07-28 18:58:40,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:41,074 INFO L280 TraceCheckUtils]: 0: Hoare triple {3387#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,075 INFO L280 TraceCheckUtils]: 1: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,076 INFO L280 TraceCheckUtils]: 2: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,076 INFO L280 TraceCheckUtils]: 3: Hoare triple {3389#(= 0 ~methaneLevelCritical~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; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,077 INFO L280 TraceCheckUtils]: 4: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~0; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,078 INFO L280 TraceCheckUtils]: 5: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,078 INFO L280 TraceCheckUtils]: 6: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume !false; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,079 INFO L280 TraceCheckUtils]: 7: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,079 INFO L280 TraceCheckUtils]: 8: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,096 INFO L280 TraceCheckUtils]: 9: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~1); {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,099 INFO L280 TraceCheckUtils]: 10: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,099 INFO L280 TraceCheckUtils]: 11: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,100 INFO L280 TraceCheckUtils]: 12: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,101 INFO L280 TraceCheckUtils]: 13: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,101 INFO L280 TraceCheckUtils]: 14: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,102 INFO L280 TraceCheckUtils]: 15: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,103 INFO L280 TraceCheckUtils]: 16: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,107 INFO L280 TraceCheckUtils]: 17: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,108 INFO L280 TraceCheckUtils]: 18: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,109 INFO L280 TraceCheckUtils]: 19: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,110 INFO L280 TraceCheckUtils]: 20: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret25 && isHighWaterLevel_#t~ret25 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,111 INFO L280 TraceCheckUtils]: 21: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,111 INFO L280 TraceCheckUtils]: 22: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,112 INFO L280 TraceCheckUtils]: 23: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret5 && processEnvironment__wrappee__highWaterSensor_#t~ret5 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,113 INFO L280 TraceCheckUtils]: 24: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); {3389#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,113 INFO L280 TraceCheckUtils]: 25: Hoare triple {3389#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {3390#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:41,114 INFO L280 TraceCheckUtils]: 26: Hoare triple {3390#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {3391#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~7 0)} is VALID [2020-07-28 18:58:41,115 INFO L280 TraceCheckUtils]: 27: Hoare triple {3391#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~7 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {3388#false} is VALID [2020-07-28 18:58:41,115 INFO L280 TraceCheckUtils]: 28: Hoare triple {3388#false} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {3388#false} is VALID [2020-07-28 18:58:41,115 INFO L280 TraceCheckUtils]: 29: Hoare triple {3388#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {3388#false} is VALID [2020-07-28 18:58:41,115 INFO L280 TraceCheckUtils]: 30: Hoare triple {3388#false} assume !false; {3388#false} is VALID [2020-07-28 18:58:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:41,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524767207] [2020-07-28 18:58:41,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:41,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:41,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476257968] [2020-07-28 18:58:41,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:41,119 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:41,119 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:41,160 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:41,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:41,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:41,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:41,161 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2020-07-28 18:58:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,390 INFO L93 Difference]: Finished difference Result 431 states and 600 transitions. [2020-07-28 18:58:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:42,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:42,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 422 transitions. [2020-07-28 18:58:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:42,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 422 transitions. [2020-07-28 18:58:42,402 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 422 transitions. [2020-07-28 18:58:42,905 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 422 edges. 422 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:42,916 INFO L225 Difference]: With dead ends: 431 [2020-07-28 18:58:42,916 INFO L226 Difference]: Without dead ends: 350 [2020-07-28 18:58:42,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:42,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-07-28 18:58:43,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 162. [2020-07-28 18:58:43,159 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:43,159 INFO L82 GeneralOperation]: Start isEquivalent. First operand 350 states. Second operand 162 states. [2020-07-28 18:58:43,159 INFO L74 IsIncluded]: Start isIncluded. First operand 350 states. Second operand 162 states. [2020-07-28 18:58:43,160 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 162 states. [2020-07-28 18:58:43,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,180 INFO L93 Difference]: Finished difference Result 350 states and 482 transitions. [2020-07-28 18:58:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2020-07-28 18:58:43,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:43,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:43,182 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand 350 states. [2020-07-28 18:58:43,182 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 350 states. [2020-07-28 18:58:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,209 INFO L93 Difference]: Finished difference Result 350 states and 482 transitions. [2020-07-28 18:58:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2020-07-28 18:58:43,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:43,210 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:43,210 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:43,211 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:43,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-28 18:58:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 221 transitions. [2020-07-28 18:58:43,220 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 221 transitions. Word has length 31 [2020-07-28 18:58:43,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:43,220 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 221 transitions. [2020-07-28 18:58:43,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 221 transitions. [2020-07-28 18:58:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:43,223 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:43,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:43,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:43,224 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:43,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:43,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1092376181, now seen corresponding path program 1 times [2020-07-28 18:58:43,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:43,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984916520] [2020-07-28 18:58:43,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:43,341 INFO L280 TraceCheckUtils]: 0: Hoare triple {4914#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,342 INFO L280 TraceCheckUtils]: 1: Hoare triple {4916#(= 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; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,343 INFO L280 TraceCheckUtils]: 2: Hoare triple {4916#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,344 INFO L280 TraceCheckUtils]: 3: Hoare triple {4916#(= 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; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,344 INFO L280 TraceCheckUtils]: 4: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,344 INFO L280 TraceCheckUtils]: 5: Hoare triple {4916#(= 0 ~pumpRunning~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,345 INFO L280 TraceCheckUtils]: 6: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume !false; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,345 INFO L280 TraceCheckUtils]: 7: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,346 INFO L280 TraceCheckUtils]: 8: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,346 INFO L280 TraceCheckUtils]: 9: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~1); {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,347 INFO L280 TraceCheckUtils]: 10: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,347 INFO L280 TraceCheckUtils]: 11: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,347 INFO L280 TraceCheckUtils]: 12: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,348 INFO L280 TraceCheckUtils]: 13: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,348 INFO L280 TraceCheckUtils]: 14: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,349 INFO L280 TraceCheckUtils]: 15: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,349 INFO L280 TraceCheckUtils]: 16: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,350 INFO L280 TraceCheckUtils]: 17: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,350 INFO L280 TraceCheckUtils]: 18: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,351 INFO L280 TraceCheckUtils]: 19: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,351 INFO L280 TraceCheckUtils]: 20: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,351 INFO L280 TraceCheckUtils]: 21: Hoare triple {4916#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret25 && isHighWaterLevel_#t~ret25 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,352 INFO L280 TraceCheckUtils]: 22: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,352 INFO L280 TraceCheckUtils]: 23: Hoare triple {4916#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,353 INFO L280 TraceCheckUtils]: 24: Hoare triple {4916#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret5 && processEnvironment__wrappee__highWaterSensor_#t~ret5 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,353 INFO L280 TraceCheckUtils]: 25: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,354 INFO L280 TraceCheckUtils]: 26: Hoare triple {4916#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,354 INFO L280 TraceCheckUtils]: 27: Hoare triple {4916#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {4916#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,355 INFO L280 TraceCheckUtils]: 28: Hoare triple {4916#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {4917#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:43,355 INFO L280 TraceCheckUtils]: 29: Hoare triple {4917#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {4918#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~3)} is VALID [2020-07-28 18:58:43,356 INFO L280 TraceCheckUtils]: 30: Hoare triple {4918#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~3)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {4915#false} is VALID [2020-07-28 18:58:43,356 INFO L280 TraceCheckUtils]: 31: Hoare triple {4915#false} assume !false; {4915#false} is VALID [2020-07-28 18:58:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:43,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984916520] [2020-07-28 18:58:43,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:43,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:43,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886127114] [2020-07-28 18:58:43,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:43,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:43,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:43,397 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:43,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:43,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:43,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:43,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:43,399 INFO L87 Difference]: Start difference. First operand 162 states and 221 transitions. Second operand 5 states. [2020-07-28 18:58:44,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,812 INFO L93 Difference]: Finished difference Result 470 states and 642 transitions. [2020-07-28 18:58:44,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:44,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:44,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 314 transitions. [2020-07-28 18:58:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 314 transitions. [2020-07-28 18:58:44,817 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 314 transitions. [2020-07-28 18:58:45,145 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 314 edges. 314 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:45,159 INFO L225 Difference]: With dead ends: 470 [2020-07-28 18:58:45,159 INFO L226 Difference]: Without dead ends: 468 [2020-07-28 18:58:45,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:45,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-07-28 18:58:45,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 162. [2020-07-28 18:58:45,491 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:45,491 INFO L82 GeneralOperation]: Start isEquivalent. First operand 468 states. Second operand 162 states. [2020-07-28 18:58:45,492 INFO L74 IsIncluded]: Start isIncluded. First operand 468 states. Second operand 162 states. [2020-07-28 18:58:45,492 INFO L87 Difference]: Start difference. First operand 468 states. Second operand 162 states. [2020-07-28 18:58:45,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,523 INFO L93 Difference]: Finished difference Result 468 states and 640 transitions. [2020-07-28 18:58:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 640 transitions. [2020-07-28 18:58:45,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:45,525 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:45,525 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand 468 states. [2020-07-28 18:58:45,525 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 468 states. [2020-07-28 18:58:45,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,549 INFO L93 Difference]: Finished difference Result 468 states and 640 transitions. [2020-07-28 18:58:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 640 transitions. [2020-07-28 18:58:45,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:45,551 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:45,551 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:45,551 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:45,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-28 18:58:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 220 transitions. [2020-07-28 18:58:45,558 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 220 transitions. Word has length 32 [2020-07-28 18:58:45,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:45,558 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 220 transitions. [2020-07-28 18:58:45,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:45,558 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 220 transitions. [2020-07-28 18:58:45,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:45,559 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:45,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:45,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:45,560 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:45,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1963161872, now seen corresponding path program 1 times [2020-07-28 18:58:45,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:45,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069933908] [2020-07-28 18:58:45,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:45,658 INFO L280 TraceCheckUtils]: 0: Hoare triple {6727#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {6727#true} is VALID [2020-07-28 18:58:45,659 INFO L280 TraceCheckUtils]: 1: Hoare triple {6727#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {6727#true} is VALID [2020-07-28 18:58:45,659 INFO L280 TraceCheckUtils]: 2: Hoare triple {6727#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {6727#true} is VALID [2020-07-28 18:58:45,659 INFO L280 TraceCheckUtils]: 3: Hoare triple {6727#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; {6727#true} is VALID [2020-07-28 18:58:45,659 INFO L280 TraceCheckUtils]: 4: Hoare triple {6727#true} assume 0 != main_~tmp~0; {6727#true} is VALID [2020-07-28 18:58:45,659 INFO L280 TraceCheckUtils]: 5: Hoare triple {6727#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6727#true} is VALID [2020-07-28 18:58:45,660 INFO L280 TraceCheckUtils]: 6: Hoare triple {6727#true} assume !false; {6727#true} is VALID [2020-07-28 18:58:45,660 INFO L280 TraceCheckUtils]: 7: Hoare triple {6727#true} assume test_~splverifierCounter~0 < 4; {6727#true} is VALID [2020-07-28 18:58:45,660 INFO L280 TraceCheckUtils]: 8: Hoare triple {6727#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; {6727#true} is VALID [2020-07-28 18:58:45,660 INFO L280 TraceCheckUtils]: 9: Hoare triple {6727#true} assume !(0 != test_~tmp~1); {6727#true} is VALID [2020-07-28 18:58:45,661 INFO L280 TraceCheckUtils]: 10: Hoare triple {6727#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {6727#true} is VALID [2020-07-28 18:58:45,661 INFO L280 TraceCheckUtils]: 11: Hoare triple {6727#true} assume 0 != test_~tmp___0~0; {6727#true} is VALID [2020-07-28 18:58:45,661 INFO L280 TraceCheckUtils]: 12: Hoare triple {6727#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6727#true} is VALID [2020-07-28 18:58:45,661 INFO L280 TraceCheckUtils]: 13: Hoare triple {6727#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {6727#true} is VALID [2020-07-28 18:58:45,661 INFO L280 TraceCheckUtils]: 14: Hoare triple {6727#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6727#true} is VALID [2020-07-28 18:58:45,662 INFO L280 TraceCheckUtils]: 15: Hoare triple {6727#true} assume !(0 != ~pumpRunning~0); {6727#true} is VALID [2020-07-28 18:58:45,662 INFO L280 TraceCheckUtils]: 16: Hoare triple {6727#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {6727#true} is VALID [2020-07-28 18:58:45,663 INFO L280 TraceCheckUtils]: 17: Hoare triple {6727#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; {6727#true} is VALID [2020-07-28 18:58:45,663 INFO L280 TraceCheckUtils]: 18: Hoare triple {6727#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {6727#true} is VALID [2020-07-28 18:58:45,663 INFO L280 TraceCheckUtils]: 19: Hoare triple {6727#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {6727#true} is VALID [2020-07-28 18:58:45,665 INFO L280 TraceCheckUtils]: 20: Hoare triple {6727#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {6729#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 18:58:45,665 INFO L280 TraceCheckUtils]: 21: Hoare triple {6729#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret25 && isHighWaterLevel_#t~ret25 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; {6730#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~5)} is VALID [2020-07-28 18:58:45,666 INFO L280 TraceCheckUtils]: 22: Hoare triple {6730#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~5)} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; {6728#false} is VALID [2020-07-28 18:58:45,666 INFO L280 TraceCheckUtils]: 23: Hoare triple {6728#false} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {6728#false} is VALID [2020-07-28 18:58:45,667 INFO L280 TraceCheckUtils]: 24: Hoare triple {6728#false} processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret5 && processEnvironment__wrappee__highWaterSensor_#t~ret5 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; {6728#false} is VALID [2020-07-28 18:58:45,667 INFO L280 TraceCheckUtils]: 25: Hoare triple {6728#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {6728#false} is VALID [2020-07-28 18:58:45,667 INFO L280 TraceCheckUtils]: 26: Hoare triple {6728#false} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {6728#false} is VALID [2020-07-28 18:58:45,667 INFO L280 TraceCheckUtils]: 27: Hoare triple {6728#false} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {6728#false} is VALID [2020-07-28 18:58:45,668 INFO L280 TraceCheckUtils]: 28: Hoare triple {6728#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {6728#false} is VALID [2020-07-28 18:58:45,668 INFO L280 TraceCheckUtils]: 29: Hoare triple {6728#false} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {6728#false} is VALID [2020-07-28 18:58:45,668 INFO L280 TraceCheckUtils]: 30: Hoare triple {6728#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {6728#false} is VALID [2020-07-28 18:58:45,668 INFO L280 TraceCheckUtils]: 31: Hoare triple {6728#false} assume !false; {6728#false} is VALID [2020-07-28 18:58:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:45,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069933908] [2020-07-28 18:58:45,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:45,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:45,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449954063] [2020-07-28 18:58:45,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-28 18:58:45,676 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:45,676 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:58:45,719 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:45,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:58:45,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:45,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:58:45,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:58:45,720 INFO L87 Difference]: Start difference. First operand 162 states and 220 transitions. Second operand 4 states. [2020-07-28 18:58:46,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,559 INFO L93 Difference]: Finished difference Result 388 states and 522 transitions. [2020-07-28 18:58:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:58:46,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-28 18:58:46,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 206 transitions. [2020-07-28 18:58:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 206 transitions. [2020-07-28 18:58:46,564 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 206 transitions. [2020-07-28 18:58:46,765 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,770 INFO L225 Difference]: With dead ends: 388 [2020-07-28 18:58:46,771 INFO L226 Difference]: Without dead ends: 232 [2020-07-28 18:58:46,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:46,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-07-28 18:58:47,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 174. [2020-07-28 18:58:47,074 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:47,074 INFO L82 GeneralOperation]: Start isEquivalent. First operand 232 states. Second operand 174 states. [2020-07-28 18:58:47,074 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand 174 states. [2020-07-28 18:58:47,075 INFO L87 Difference]: Start difference. First operand 232 states. Second operand 174 states. [2020-07-28 18:58:47,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,081 INFO L93 Difference]: Finished difference Result 232 states and 302 transitions. [2020-07-28 18:58:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 302 transitions. [2020-07-28 18:58:47,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:47,081 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:47,082 INFO L74 IsIncluded]: Start isIncluded. First operand 174 states. Second operand 232 states. [2020-07-28 18:58:47,082 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 232 states. [2020-07-28 18:58:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,087 INFO L93 Difference]: Finished difference Result 232 states and 302 transitions. [2020-07-28 18:58:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 302 transitions. [2020-07-28 18:58:47,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:47,088 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:47,088 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:47,088 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-28 18:58:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 232 transitions. [2020-07-28 18:58:47,092 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 232 transitions. Word has length 32 [2020-07-28 18:58:47,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:47,092 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 232 transitions. [2020-07-28 18:58:47,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:58:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 232 transitions. [2020-07-28 18:58:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:47,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:47,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:47,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:47,093 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:47,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:47,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1704996434, now seen corresponding path program 1 times [2020-07-28 18:58:47,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:47,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685358744] [2020-07-28 18:58:47,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:47,158 INFO L280 TraceCheckUtils]: 0: Hoare triple {7969#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,159 INFO L280 TraceCheckUtils]: 1: Hoare triple {7971#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,159 INFO L280 TraceCheckUtils]: 2: Hoare triple {7971#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,160 INFO L280 TraceCheckUtils]: 3: Hoare triple {7971#(= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,160 INFO L280 TraceCheckUtils]: 4: Hoare triple {7971#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,161 INFO L280 TraceCheckUtils]: 5: Hoare triple {7971#(= 1 ~waterLevel~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,161 INFO L280 TraceCheckUtils]: 6: Hoare triple {7971#(= 1 ~waterLevel~0)} assume !false; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,162 INFO L280 TraceCheckUtils]: 7: Hoare triple {7971#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,162 INFO L280 TraceCheckUtils]: 8: Hoare triple {7971#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,163 INFO L280 TraceCheckUtils]: 9: Hoare triple {7971#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~1); {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,163 INFO L280 TraceCheckUtils]: 10: Hoare triple {7971#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,164 INFO L280 TraceCheckUtils]: 11: Hoare triple {7971#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~0; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,164 INFO L280 TraceCheckUtils]: 12: Hoare triple {7971#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,165 INFO L280 TraceCheckUtils]: 13: Hoare triple {7971#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,166 INFO L280 TraceCheckUtils]: 14: Hoare triple {7971#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,166 INFO L280 TraceCheckUtils]: 15: Hoare triple {7971#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,167 INFO L280 TraceCheckUtils]: 16: Hoare triple {7971#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,167 INFO L280 TraceCheckUtils]: 17: Hoare triple {7971#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,168 INFO L280 TraceCheckUtils]: 18: Hoare triple {7971#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,168 INFO L280 TraceCheckUtils]: 19: Hoare triple {7971#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {7971#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:47,169 INFO L280 TraceCheckUtils]: 20: Hoare triple {7971#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {7970#false} is VALID [2020-07-28 18:58:47,169 INFO L280 TraceCheckUtils]: 21: Hoare triple {7970#false} isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret25 && isHighWaterLevel_#t~ret25 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; {7970#false} is VALID [2020-07-28 18:58:47,170 INFO L280 TraceCheckUtils]: 22: Hoare triple {7970#false} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; {7970#false} is VALID [2020-07-28 18:58:47,170 INFO L280 TraceCheckUtils]: 23: Hoare triple {7970#false} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {7970#false} is VALID [2020-07-28 18:58:47,170 INFO L280 TraceCheckUtils]: 24: Hoare triple {7970#false} processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret5 && processEnvironment__wrappee__highWaterSensor_#t~ret5 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; {7970#false} is VALID [2020-07-28 18:58:47,170 INFO L280 TraceCheckUtils]: 25: Hoare triple {7970#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~2;~pumpRunning~0 := 1; {7970#false} is VALID [2020-07-28 18:58:47,170 INFO L280 TraceCheckUtils]: 26: Hoare triple {7970#false} havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {7970#false} is VALID [2020-07-28 18:58:47,171 INFO L280 TraceCheckUtils]: 27: Hoare triple {7970#false} __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {7970#false} is VALID [2020-07-28 18:58:47,171 INFO L280 TraceCheckUtils]: 28: Hoare triple {7970#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {7970#false} is VALID [2020-07-28 18:58:47,171 INFO L280 TraceCheckUtils]: 29: Hoare triple {7970#false} __utac_acc__Specification1_spec__1_#t~ret29 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret29 && __utac_acc__Specification1_spec__1_#t~ret29 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; {7970#false} is VALID [2020-07-28 18:58:47,171 INFO L280 TraceCheckUtils]: 30: Hoare triple {7970#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {7970#false} is VALID [2020-07-28 18:58:47,171 INFO L280 TraceCheckUtils]: 31: Hoare triple {7970#false} assume !false; {7970#false} is VALID [2020-07-28 18:58:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:47,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685358744] [2020-07-28 18:58:47,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:47,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:47,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086542131] [2020-07-28 18:58:47,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 18:58:47,175 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:47,175 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:47,213 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:47,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:47,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:47,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:47,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:47,214 INFO L87 Difference]: Start difference. First operand 174 states and 232 transitions. Second operand 3 states. [2020-07-28 18:58:47,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,807 INFO L93 Difference]: Finished difference Result 394 states and 524 transitions. [2020-07-28 18:58:47,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:47,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 18:58:47,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2020-07-28 18:58:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:47,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2020-07-28 18:58:47,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 195 transitions. [2020-07-28 18:58:48,015 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,021 INFO L225 Difference]: With dead ends: 394 [2020-07-28 18:58:48,021 INFO L226 Difference]: Without dead ends: 226 [2020-07-28 18:58:48,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:48,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-28 18:58:48,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-07-28 18:58:48,532 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:48,532 INFO L82 GeneralOperation]: Start isEquivalent. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:48,533 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:48,533 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:48,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,538 INFO L93 Difference]: Finished difference Result 226 states and 294 transitions. [2020-07-28 18:58:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 294 transitions. [2020-07-28 18:58:48,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,539 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:48,539 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:48,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,545 INFO L93 Difference]: Finished difference Result 226 states and 294 transitions. [2020-07-28 18:58:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 294 transitions. [2020-07-28 18:58:48,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,547 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:48,547 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:48,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-28 18:58:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 294 transitions. [2020-07-28 18:58:48,553 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 294 transitions. Word has length 32 [2020-07-28 18:58:48,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:48,553 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 294 transitions. [2020-07-28 18:58:48,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:48,553 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 294 transitions. [2020-07-28 18:58:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:58:48,556 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:48,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:48,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:48,558 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:48,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:48,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1518924332, now seen corresponding path program 1 times [2020-07-28 18:58:48,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:48,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476658111] [2020-07-28 18:58:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:48,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:48,688 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:48,751 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:48,752 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:48,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:48,948 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:48,949 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:48,949 WARN L170 areAnnotationChecker]: L483 has no Hoare annotation [2020-07-28 18:58:48,949 WARN L170 areAnnotationChecker]: L491 has no Hoare annotation [2020-07-28 18:58:48,949 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:58:48,949 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:58:48,950 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:58:48,950 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:58:48,950 WARN L170 areAnnotationChecker]: L504-1 has no Hoare annotation [2020-07-28 18:58:48,950 WARN L170 areAnnotationChecker]: L504-1 has no Hoare annotation [2020-07-28 18:58:48,950 WARN L170 areAnnotationChecker]: L504-1 has no Hoare annotation [2020-07-28 18:58:48,950 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 18:58:48,951 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 18:58:48,951 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-28 18:58:48,951 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-28 18:58:48,951 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:48,951 WARN L170 areAnnotationChecker]: L237-1 has no Hoare annotation [2020-07-28 18:58:48,951 WARN L170 areAnnotationChecker]: L237-1 has no Hoare annotation [2020-07-28 18:58:48,952 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2020-07-28 18:58:48,952 WARN L170 areAnnotationChecker]: L895-3 has no Hoare annotation [2020-07-28 18:58:48,952 WARN L170 areAnnotationChecker]: L895-3 has no Hoare annotation [2020-07-28 18:58:48,952 WARN L170 areAnnotationChecker]: L237-2 has no Hoare annotation [2020-07-28 18:58:48,952 WARN L170 areAnnotationChecker]: L237-2 has no Hoare annotation [2020-07-28 18:58:48,952 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 18:58:48,953 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 18:58:48,953 WARN L170 areAnnotationChecker]: L321-1 has no Hoare annotation [2020-07-28 18:58:48,953 WARN L170 areAnnotationChecker]: L321-1 has no Hoare annotation [2020-07-28 18:58:48,953 WARN L170 areAnnotationChecker]: L244-1 has no Hoare annotation [2020-07-28 18:58:48,953 WARN L170 areAnnotationChecker]: L907 has no Hoare annotation [2020-07-28 18:58:48,953 WARN L170 areAnnotationChecker]: L907 has no Hoare annotation [2020-07-28 18:58:48,954 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 18:58:48,954 WARN L170 areAnnotationChecker]: L932-2 has no Hoare annotation [2020-07-28 18:58:48,954 WARN L170 areAnnotationChecker]: L295-3 has no Hoare annotation [2020-07-28 18:58:48,954 WARN L170 areAnnotationChecker]: L295-3 has no Hoare annotation [2020-07-28 18:58:48,954 WARN L170 areAnnotationChecker]: L932-3 has no Hoare annotation [2020-07-28 18:58:48,954 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 18:58:48,955 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 18:58:48,955 WARN L170 areAnnotationChecker]: L365-1 has no Hoare annotation [2020-07-28 18:58:48,955 WARN L170 areAnnotationChecker]: L987-3 has no Hoare annotation [2020-07-28 18:58:48,955 WARN L170 areAnnotationChecker]: L269-7 has no Hoare annotation [2020-07-28 18:58:48,955 WARN L170 areAnnotationChecker]: L269-7 has no Hoare annotation [2020-07-28 18:58:48,955 WARN L170 areAnnotationChecker]: L504-2 has no Hoare annotation [2020-07-28 18:58:48,955 WARN L170 areAnnotationChecker]: L504-2 has no Hoare annotation [2020-07-28 18:58:48,956 WARN L170 areAnnotationChecker]: L919 has no Hoare annotation [2020-07-28 18:58:48,956 WARN L170 areAnnotationChecker]: L919 has no Hoare annotation [2020-07-28 18:58:48,956 WARN L170 areAnnotationChecker]: L175-1 has no Hoare annotation [2020-07-28 18:58:48,956 WARN L170 areAnnotationChecker]: L325-1 has no Hoare annotation [2020-07-28 18:58:48,956 WARN L170 areAnnotationChecker]: L325-1 has no Hoare annotation [2020-07-28 18:58:48,957 WARN L170 areAnnotationChecker]: L442-9 has no Hoare annotation [2020-07-28 18:58:48,957 WARN L170 areAnnotationChecker]: L442-9 has no Hoare annotation [2020-07-28 18:58:48,957 WARN L170 areAnnotationChecker]: L972-7 has no Hoare annotation [2020-07-28 18:58:48,957 WARN L170 areAnnotationChecker]: L972-7 has no Hoare annotation [2020-07-28 18:58:48,957 WARN L170 areAnnotationChecker]: L374-1 has no Hoare annotation [2020-07-28 18:58:48,957 WARN L170 areAnnotationChecker]: L504-3 has no Hoare annotation [2020-07-28 18:58:48,958 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-28 18:58:48,958 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-28 18:58:48,958 WARN L170 areAnnotationChecker]: L295-2 has no Hoare annotation [2020-07-28 18:58:48,958 WARN L170 areAnnotationChecker]: L295-2 has no Hoare annotation [2020-07-28 18:58:48,958 WARN L170 areAnnotationChecker]: L442-11 has no Hoare annotation [2020-07-28 18:58:48,958 WARN L170 areAnnotationChecker]: L977-7 has no Hoare annotation [2020-07-28 18:58:48,959 WARN L170 areAnnotationChecker]: L508-2 has no Hoare annotation [2020-07-28 18:58:48,959 WARN L170 areAnnotationChecker]: L508-2 has no Hoare annotation [2020-07-28 18:58:48,959 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 18:58:48,959 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 18:58:48,959 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 18:58:48,959 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 18:58:48,960 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 18:58:48,960 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 18:58:48,960 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 18:58:48,960 WARN L170 areAnnotationChecker]: L987-2 has no Hoare annotation [2020-07-28 18:58:48,960 WARN L170 areAnnotationChecker]: L269-5 has no Hoare annotation [2020-07-28 18:58:48,960 WARN L170 areAnnotationChecker]: L269-5 has no Hoare annotation [2020-07-28 18:58:48,960 WARN L170 areAnnotationChecker]: L448-3 has no Hoare annotation [2020-07-28 18:58:48,961 WARN L170 areAnnotationChecker]: L423-21 has no Hoare annotation [2020-07-28 18:58:48,961 WARN L170 areAnnotationChecker]: L423-21 has no Hoare annotation [2020-07-28 18:58:48,961 WARN L170 areAnnotationChecker]: L216-1 has no Hoare annotation [2020-07-28 18:58:48,961 WARN L170 areAnnotationChecker]: L216-1 has no Hoare annotation [2020-07-28 18:58:48,961 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:58:48,962 WARN L170 areAnnotationChecker]: L895 has no Hoare annotation [2020-07-28 18:58:48,962 WARN L170 areAnnotationChecker]: L895 has no Hoare annotation [2020-07-28 18:58:48,962 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2020-07-28 18:58:48,962 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2020-07-28 18:58:48,962 WARN L170 areAnnotationChecker]: L442-6 has no Hoare annotation [2020-07-28 18:58:48,962 WARN L170 areAnnotationChecker]: L442-6 has no Hoare annotation [2020-07-28 18:58:48,963 WARN L170 areAnnotationChecker]: L972-5 has no Hoare annotation [2020-07-28 18:58:48,963 WARN L170 areAnnotationChecker]: L972-5 has no Hoare annotation [2020-07-28 18:58:48,963 WARN L170 areAnnotationChecker]: L299-3 has no Hoare annotation [2020-07-28 18:58:48,963 WARN L170 areAnnotationChecker]: L299-3 has no Hoare annotation [2020-07-28 18:58:48,963 WARN L170 areAnnotationChecker]: L423-23 has no Hoare annotation [2020-07-28 18:58:48,963 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:48,964 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:48,964 WARN L170 areAnnotationChecker]: L321 has no Hoare annotation [2020-07-28 18:58:48,964 WARN L170 areAnnotationChecker]: L321 has no Hoare annotation [2020-07-28 18:58:48,964 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2020-07-28 18:58:48,964 WARN L170 areAnnotationChecker]: L442-8 has no Hoare annotation [2020-07-28 18:58:48,964 WARN L170 areAnnotationChecker]: L977-5 has no Hoare annotation [2020-07-28 18:58:48,965 WARN L170 areAnnotationChecker]: L269-6 has no Hoare annotation [2020-07-28 18:58:48,965 WARN L170 areAnnotationChecker]: L269-6 has no Hoare annotation [2020-07-28 18:58:48,965 WARN L170 areAnnotationChecker]: L429-7 has no Hoare annotation [2020-07-28 18:58:48,965 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:58:48,965 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:58:48,965 WARN L170 areAnnotationChecker]: L932 has no Hoare annotation [2020-07-28 18:58:48,966 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 18:58:48,966 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 18:58:48,966 WARN L170 areAnnotationChecker]: L932-1 has no Hoare annotation [2020-07-28 18:58:48,966 WARN L170 areAnnotationChecker]: L448-2 has no Hoare annotation [2020-07-28 18:58:48,966 WARN L170 areAnnotationChecker]: L423-15 has no Hoare annotation [2020-07-28 18:58:48,966 WARN L170 areAnnotationChecker]: L423-15 has no Hoare annotation [2020-07-28 18:58:48,967 WARN L170 areAnnotationChecker]: L972-6 has no Hoare annotation [2020-07-28 18:58:48,967 WARN L170 areAnnotationChecker]: L972-6 has no Hoare annotation [2020-07-28 18:58:48,967 WARN L170 areAnnotationChecker]: L273-7 has no Hoare annotation [2020-07-28 18:58:48,967 WARN L170 areAnnotationChecker]: L273-7 has no Hoare annotation [2020-07-28 18:58:48,967 WARN L170 areAnnotationChecker]: L895-6 has no Hoare annotation [2020-07-28 18:58:48,967 WARN L170 areAnnotationChecker]: L895-6 has no Hoare annotation [2020-07-28 18:58:48,968 WARN L170 areAnnotationChecker]: L237-3 has no Hoare annotation [2020-07-28 18:58:48,968 WARN L170 areAnnotationChecker]: L237-3 has no Hoare annotation [2020-07-28 18:58:48,968 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-28 18:58:48,968 WARN L170 areAnnotationChecker]: L987-1 has no Hoare annotation [2020-07-28 18:58:48,968 WARN L170 areAnnotationChecker]: L269-3 has no Hoare annotation [2020-07-28 18:58:48,968 WARN L170 areAnnotationChecker]: L269-3 has no Hoare annotation [2020-07-28 18:58:48,969 WARN L170 areAnnotationChecker]: L504 has no Hoare annotation [2020-07-28 18:58:48,969 WARN L170 areAnnotationChecker]: L504 has no Hoare annotation [2020-07-28 18:58:48,969 WARN L170 areAnnotationChecker]: L299-2 has no Hoare annotation [2020-07-28 18:58:48,969 WARN L170 areAnnotationChecker]: L299-2 has no Hoare annotation [2020-07-28 18:58:48,969 WARN L170 areAnnotationChecker]: L423-17 has no Hoare annotation [2020-07-28 18:58:48,969 WARN L170 areAnnotationChecker]: L977-6 has no Hoare annotation [2020-07-28 18:58:48,969 WARN L170 areAnnotationChecker]: L321-2 has no Hoare annotation [2020-07-28 18:58:48,970 WARN L170 areAnnotationChecker]: L321-2 has no Hoare annotation [2020-07-28 18:58:48,970 WARN L170 areAnnotationChecker]: L244-2 has no Hoare annotation [2020-07-28 18:58:48,970 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2020-07-28 18:58:48,970 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2020-07-28 18:58:48,970 WARN L170 areAnnotationChecker]: L442-3 has no Hoare annotation [2020-07-28 18:58:48,970 WARN L170 areAnnotationChecker]: L442-3 has no Hoare annotation [2020-07-28 18:58:48,971 WARN L170 areAnnotationChecker]: L972-3 has no Hoare annotation [2020-07-28 18:58:48,971 WARN L170 areAnnotationChecker]: L972-3 has no Hoare annotation [2020-07-28 18:58:48,971 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-28 18:58:48,971 WARN L170 areAnnotationChecker]: L269-4 has no Hoare annotation [2020-07-28 18:58:48,971 WARN L170 areAnnotationChecker]: L269-4 has no Hoare annotation [2020-07-28 18:58:48,971 WARN L170 areAnnotationChecker]: L429-5 has no Hoare annotation [2020-07-28 18:58:48,972 WARN L170 areAnnotationChecker]: L423-18 has no Hoare annotation [2020-07-28 18:58:48,972 WARN L170 areAnnotationChecker]: L423-18 has no Hoare annotation [2020-07-28 18:58:48,972 WARN L170 areAnnotationChecker]: L932-4 has no Hoare annotation [2020-07-28 18:58:48,972 WARN L170 areAnnotationChecker]: L295-5 has no Hoare annotation [2020-07-28 18:58:48,972 WARN L170 areAnnotationChecker]: L295-5 has no Hoare annotation [2020-07-28 18:58:48,972 WARN L170 areAnnotationChecker]: L932-5 has no Hoare annotation [2020-07-28 18:58:48,973 WARN L170 areAnnotationChecker]: L295 has no Hoare annotation [2020-07-28 18:58:48,973 WARN L170 areAnnotationChecker]: L295 has no Hoare annotation [2020-07-28 18:58:48,973 WARN L170 areAnnotationChecker]: L442-5 has no Hoare annotation [2020-07-28 18:58:48,973 WARN L170 areAnnotationChecker]: L977-3 has no Hoare annotation [2020-07-28 18:58:48,973 WARN L170 areAnnotationChecker]: L508 has no Hoare annotation [2020-07-28 18:58:48,973 WARN L170 areAnnotationChecker]: L508 has no Hoare annotation [2020-07-28 18:58:48,973 WARN L170 areAnnotationChecker]: L972-4 has no Hoare annotation [2020-07-28 18:58:48,974 WARN L170 areAnnotationChecker]: L972-4 has no Hoare annotation [2020-07-28 18:58:48,974 WARN L170 areAnnotationChecker]: L273-5 has no Hoare annotation [2020-07-28 18:58:48,974 WARN L170 areAnnotationChecker]: L273-5 has no Hoare annotation [2020-07-28 18:58:48,974 WARN L170 areAnnotationChecker]: L423-20 has no Hoare annotation [2020-07-28 18:58:48,974 WARN L170 areAnnotationChecker]: L365-2 has no Hoare annotation [2020-07-28 18:58:48,974 WARN L170 areAnnotationChecker]: L987-5 has no Hoare annotation [2020-07-28 18:58:48,975 WARN L170 areAnnotationChecker]: L269-11 has no Hoare annotation [2020-07-28 18:58:48,975 WARN L170 areAnnotationChecker]: L269-11 has no Hoare annotation [2020-07-28 18:58:48,975 WARN L170 areAnnotationChecker]: L504-4 has no Hoare annotation [2020-07-28 18:58:48,975 WARN L170 areAnnotationChecker]: L504-4 has no Hoare annotation [2020-07-28 18:58:48,975 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2020-07-28 18:58:48,975 WARN L170 areAnnotationChecker]: L269-1 has no Hoare annotation [2020-07-28 18:58:48,976 WARN L170 areAnnotationChecker]: L269-1 has no Hoare annotation [2020-07-28 18:58:48,976 WARN L170 areAnnotationChecker]: L448-1 has no Hoare annotation [2020-07-28 18:58:48,976 WARN L170 areAnnotationChecker]: L423-9 has no Hoare annotation [2020-07-28 18:58:48,976 WARN L170 areAnnotationChecker]: L423-9 has no Hoare annotation [2020-07-28 18:58:48,976 WARN L170 areAnnotationChecker]: L216 has no Hoare annotation [2020-07-28 18:58:48,976 WARN L170 areAnnotationChecker]: L216 has no Hoare annotation [2020-07-28 18:58:48,977 WARN L170 areAnnotationChecker]: L977-4 has no Hoare annotation [2020-07-28 18:58:48,977 WARN L170 areAnnotationChecker]: L429-6 has no Hoare annotation [2020-07-28 18:58:48,977 WARN L170 areAnnotationChecker]: L325-2 has no Hoare annotation [2020-07-28 18:58:48,977 WARN L170 areAnnotationChecker]: L325-2 has no Hoare annotation [2020-07-28 18:58:48,977 WARN L170 areAnnotationChecker]: L442-15 has no Hoare annotation [2020-07-28 18:58:48,977 WARN L170 areAnnotationChecker]: L442-15 has no Hoare annotation [2020-07-28 18:58:48,978 WARN L170 areAnnotationChecker]: L972-11 has no Hoare annotation [2020-07-28 18:58:48,978 WARN L170 areAnnotationChecker]: L972-11 has no Hoare annotation [2020-07-28 18:58:48,978 WARN L170 areAnnotationChecker]: L374-2 has no Hoare annotation [2020-07-28 18:58:48,978 WARN L170 areAnnotationChecker]: L504-5 has no Hoare annotation [2020-07-28 18:58:48,978 WARN L170 areAnnotationChecker]: L442 has no Hoare annotation [2020-07-28 18:58:48,978 WARN L170 areAnnotationChecker]: L442 has no Hoare annotation [2020-07-28 18:58:48,979 WARN L170 areAnnotationChecker]: L972-1 has no Hoare annotation [2020-07-28 18:58:48,979 WARN L170 areAnnotationChecker]: L972-1 has no Hoare annotation [2020-07-28 18:58:48,979 WARN L170 areAnnotationChecker]: L299-1 has no Hoare annotation [2020-07-28 18:58:48,979 WARN L170 areAnnotationChecker]: L299-1 has no Hoare annotation [2020-07-28 18:58:48,979 WARN L170 areAnnotationChecker]: L423-11 has no Hoare annotation [2020-07-28 18:58:48,979 WARN L170 areAnnotationChecker]: L423-12 has no Hoare annotation [2020-07-28 18:58:48,979 WARN L170 areAnnotationChecker]: L423-12 has no Hoare annotation [2020-07-28 18:58:48,980 WARN L170 areAnnotationChecker]: L273-6 has no Hoare annotation [2020-07-28 18:58:48,980 WARN L170 areAnnotationChecker]: L273-6 has no Hoare annotation [2020-07-28 18:58:48,980 WARN L170 areAnnotationChecker]: L295-4 has no Hoare annotation [2020-07-28 18:58:48,980 WARN L170 areAnnotationChecker]: L295-4 has no Hoare annotation [2020-07-28 18:58:48,980 WARN L170 areAnnotationChecker]: L442-17 has no Hoare annotation [2020-07-28 18:58:48,980 WARN L170 areAnnotationChecker]: L977-11 has no Hoare annotation [2020-07-28 18:58:48,981 WARN L170 areAnnotationChecker]: L508-4 has no Hoare annotation [2020-07-28 18:58:48,981 WARN L170 areAnnotationChecker]: L508-4 has no Hoare annotation [2020-07-28 18:58:48,981 WARN L170 areAnnotationChecker]: L442-2 has no Hoare annotation [2020-07-28 18:58:48,981 WARN L170 areAnnotationChecker]: L977-1 has no Hoare annotation [2020-07-28 18:58:48,981 WARN L170 areAnnotationChecker]: L269-2 has no Hoare annotation [2020-07-28 18:58:48,981 WARN L170 areAnnotationChecker]: L269-2 has no Hoare annotation [2020-07-28 18:58:48,981 WARN L170 areAnnotationChecker]: L429-3 has no Hoare annotation [2020-07-28 18:58:48,982 WARN L170 areAnnotationChecker]: L423-14 has no Hoare annotation [2020-07-28 18:58:48,982 WARN L170 areAnnotationChecker]: L987-4 has no Hoare annotation [2020-07-28 18:58:48,982 WARN L170 areAnnotationChecker]: L269-9 has no Hoare annotation [2020-07-28 18:58:48,982 WARN L170 areAnnotationChecker]: L269-9 has no Hoare annotation [2020-07-28 18:58:48,982 WARN L170 areAnnotationChecker]: L448-5 has no Hoare annotation [2020-07-28 18:58:48,982 WARN L170 areAnnotationChecker]: L423-33 has no Hoare annotation [2020-07-28 18:58:48,983 WARN L170 areAnnotationChecker]: L423-33 has no Hoare annotation [2020-07-28 18:58:48,983 WARN L170 areAnnotationChecker]: L216-2 has no Hoare annotation [2020-07-28 18:58:48,983 WARN L170 areAnnotationChecker]: L216-2 has no Hoare annotation [2020-07-28 18:58:48,983 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 18:58:48,983 WARN L170 areAnnotationChecker]: L423-3 has no Hoare annotation [2020-07-28 18:58:48,983 WARN L170 areAnnotationChecker]: L423-3 has no Hoare annotation [2020-07-28 18:58:48,984 WARN L170 areAnnotationChecker]: L972-2 has no Hoare annotation [2020-07-28 18:58:48,984 WARN L170 areAnnotationChecker]: L972-2 has no Hoare annotation [2020-07-28 18:58:48,984 WARN L170 areAnnotationChecker]: L273-3 has no Hoare annotation [2020-07-28 18:58:48,984 WARN L170 areAnnotationChecker]: L273-3 has no Hoare annotation [2020-07-28 18:58:48,984 WARN L170 areAnnotationChecker]: L429-4 has no Hoare annotation [2020-07-28 18:58:48,984 WARN L170 areAnnotationChecker]: L442-12 has no Hoare annotation [2020-07-28 18:58:48,984 WARN L170 areAnnotationChecker]: L442-12 has no Hoare annotation [2020-07-28 18:58:48,985 WARN L170 areAnnotationChecker]: L972-9 has no Hoare annotation [2020-07-28 18:58:48,985 WARN L170 areAnnotationChecker]: L972-9 has no Hoare annotation [2020-07-28 18:58:48,985 WARN L170 areAnnotationChecker]: L299-5 has no Hoare annotation [2020-07-28 18:58:48,985 WARN L170 areAnnotationChecker]: L299-5 has no Hoare annotation [2020-07-28 18:58:48,985 WARN L170 areAnnotationChecker]: L423-35 has no Hoare annotation [2020-07-28 18:58:48,985 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2020-07-28 18:58:48,986 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2020-07-28 18:58:48,986 WARN L170 areAnnotationChecker]: L423-5 has no Hoare annotation [2020-07-28 18:58:48,986 WARN L170 areAnnotationChecker]: L977-2 has no Hoare annotation [2020-07-28 18:58:48,986 WARN L170 areAnnotationChecker]: L273-4 has no Hoare annotation [2020-07-28 18:58:48,986 WARN L170 areAnnotationChecker]: L273-4 has no Hoare annotation [2020-07-28 18:58:48,986 WARN L170 areAnnotationChecker]: L442-14 has no Hoare annotation [2020-07-28 18:58:48,987 WARN L170 areAnnotationChecker]: L977-9 has no Hoare annotation [2020-07-28 18:58:48,987 WARN L170 areAnnotationChecker]: L269-10 has no Hoare annotation [2020-07-28 18:58:48,987 WARN L170 areAnnotationChecker]: L269-10 has no Hoare annotation [2020-07-28 18:58:48,987 WARN L170 areAnnotationChecker]: L429-11 has no Hoare annotation [2020-07-28 18:58:48,987 WARN L170 areAnnotationChecker]: L269 has no Hoare annotation [2020-07-28 18:58:48,987 WARN L170 areAnnotationChecker]: L269 has no Hoare annotation [2020-07-28 18:58:48,987 WARN L170 areAnnotationChecker]: L429-1 has no Hoare annotation [2020-07-28 18:58:48,988 WARN L170 areAnnotationChecker]: L423-6 has no Hoare annotation [2020-07-28 18:58:48,988 WARN L170 areAnnotationChecker]: L423-6 has no Hoare annotation [2020-07-28 18:58:48,988 WARN L170 areAnnotationChecker]: L448-4 has no Hoare annotation [2020-07-28 18:58:48,988 WARN L170 areAnnotationChecker]: L423-27 has no Hoare annotation [2020-07-28 18:58:48,988 WARN L170 areAnnotationChecker]: L423-27 has no Hoare annotation [2020-07-28 18:58:48,988 WARN L170 areAnnotationChecker]: L972-10 has no Hoare annotation [2020-07-28 18:58:48,989 WARN L170 areAnnotationChecker]: L972-10 has no Hoare annotation [2020-07-28 18:58:48,989 WARN L170 areAnnotationChecker]: L273-11 has no Hoare annotation [2020-07-28 18:58:48,989 WARN L170 areAnnotationChecker]: L273-11 has no Hoare annotation [2020-07-28 18:58:48,989 WARN L170 areAnnotationChecker]: L972 has no Hoare annotation [2020-07-28 18:58:48,989 WARN L170 areAnnotationChecker]: L972 has no Hoare annotation [2020-07-28 18:58:48,990 WARN L170 areAnnotationChecker]: L273-1 has no Hoare annotation [2020-07-28 18:58:48,990 WARN L170 areAnnotationChecker]: L273-1 has no Hoare annotation [2020-07-28 18:58:48,990 WARN L170 areAnnotationChecker]: L423-8 has no Hoare annotation [2020-07-28 18:58:48,990 WARN L170 areAnnotationChecker]: L299-4 has no Hoare annotation [2020-07-28 18:58:48,991 WARN L170 areAnnotationChecker]: L299-4 has no Hoare annotation [2020-07-28 18:58:48,991 WARN L170 areAnnotationChecker]: L423-29 has no Hoare annotation [2020-07-28 18:58:48,992 WARN L170 areAnnotationChecker]: L977-10 has no Hoare annotation [2020-07-28 18:58:48,992 WARN L170 areAnnotationChecker]: L977 has no Hoare annotation [2020-07-28 18:58:48,992 WARN L170 areAnnotationChecker]: L429-2 has no Hoare annotation [2020-07-28 18:58:48,992 WARN L170 areAnnotationChecker]: L269-8 has no Hoare annotation [2020-07-28 18:58:48,992 WARN L170 areAnnotationChecker]: L269-8 has no Hoare annotation [2020-07-28 18:58:48,993 WARN L170 areAnnotationChecker]: L429-9 has no Hoare annotation [2020-07-28 18:58:48,993 WARN L170 areAnnotationChecker]: L423-30 has no Hoare annotation [2020-07-28 18:58:48,993 WARN L170 areAnnotationChecker]: L423-30 has no Hoare annotation [2020-07-28 18:58:48,993 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2020-07-28 18:58:48,993 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2020-07-28 18:58:48,993 WARN L170 areAnnotationChecker]: L273-2 has no Hoare annotation [2020-07-28 18:58:48,994 WARN L170 areAnnotationChecker]: L273-2 has no Hoare annotation [2020-07-28 18:58:48,994 WARN L170 areAnnotationChecker]: L972-8 has no Hoare annotation [2020-07-28 18:58:48,994 WARN L170 areAnnotationChecker]: L972-8 has no Hoare annotation [2020-07-28 18:58:48,994 WARN L170 areAnnotationChecker]: L273-9 has no Hoare annotation [2020-07-28 18:58:48,994 WARN L170 areAnnotationChecker]: L273-9 has no Hoare annotation [2020-07-28 18:58:48,994 WARN L170 areAnnotationChecker]: L423-32 has no Hoare annotation [2020-07-28 18:58:48,995 WARN L170 areAnnotationChecker]: L423-2 has no Hoare annotation [2020-07-28 18:58:48,995 WARN L170 areAnnotationChecker]: L977-8 has no Hoare annotation [2020-07-28 18:58:48,995 WARN L170 areAnnotationChecker]: L429-10 has no Hoare annotation [2020-07-28 18:58:48,995 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 18:58:48,995 WARN L170 areAnnotationChecker]: L423-24 has no Hoare annotation [2020-07-28 18:58:48,995 WARN L170 areAnnotationChecker]: L423-24 has no Hoare annotation [2020-07-28 18:58:48,996 WARN L170 areAnnotationChecker]: L273-10 has no Hoare annotation [2020-07-28 18:58:48,996 WARN L170 areAnnotationChecker]: L273-10 has no Hoare annotation [2020-07-28 18:58:48,996 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-28 18:58:48,996 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-28 18:58:48,996 WARN L170 areAnnotationChecker]: L423-26 has no Hoare annotation [2020-07-28 18:58:48,996 WARN L170 areAnnotationChecker]: L429-8 has no Hoare annotation [2020-07-28 18:58:48,997 WARN L170 areAnnotationChecker]: L273-8 has no Hoare annotation [2020-07-28 18:58:48,997 WARN L170 areAnnotationChecker]: L273-8 has no Hoare annotation [2020-07-28 18:58:48,997 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 18:58:49,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:49 BoogieIcfgContainer [2020-07-28 18:58:49,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:49,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:49,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:49,003 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:49,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:35" (3/4) ... [2020-07-28 18:58:49,006 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:49,133 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:49,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:49,136 INFO L168 Benchmark]: Toolchain (without parser) took 16773.71 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 379.6 MB). Free memory was 956.2 MB in the beginning and 1.3 GB in the end (delta: -317.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,136 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:49,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,138 INFO L168 Benchmark]: Boogie Preprocessor took 69.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:49,138 INFO L168 Benchmark]: RCFGBuilder took 1963.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 844.1 MB in the end (delta: 232.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,139 INFO L168 Benchmark]: TraceAbstraction took 13775.59 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 270.0 MB). Free memory was 844.1 MB in the beginning and 1.3 GB in the end (delta: -452.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:49,139 INFO L168 Benchmark]: Witness Printer took 130.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,142 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 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 699.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1963.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 844.1 MB in the end (delta: 232.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13775.59 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 270.0 MB). Free memory was 844.1 MB in the beginning and 1.3 GB in the end (delta: -452.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 130.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 216]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L889] int waterLevel = 1; [L890] 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] [L487] int retValue_acc ; [L490] retValue_acc = 1 [L491] 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] [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L163] tmp = __VERIFIER_nondet_int() [L165] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L907] COND TRUE waterLevel < 2 [L908] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] COND FALSE !(\read(methaneLevelCritical)) [L922] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) [L456] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L237] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L244] COND TRUE \read(systemActive) [L318] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L321] COND FALSE !(\read(pumpRunning)) [L292] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L295] COND FALSE !(\read(pumpRunning)) [L266] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L269] COND TRUE ! pumpRunning [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L969] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L972] COND FALSE !(waterLevel < 2) [L976] retValue_acc = 0 [L977] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L421] tmp = isHighWaterSensorDry() [L423] COND FALSE !(\read(tmp)) [L426] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isHighWaterLevel() [L273] COND TRUE \read(tmp) [L346] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L497] int tmp ; [L498] int tmp___0 ; [L928] int retValue_acc ; [L931] retValue_acc = methaneLevelCritical [L932] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L502] tmp = isMethaneLevelCritical() [L504] COND TRUE \read(tmp) [L370] int retValue_acc ; [L373] retValue_acc = pumpRunning [L374] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L506] tmp___0 = isPumpRunning() [L508] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L216] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1137 SDtfs, 1313 SDslu, 1239 SDs, 0 SdLazy, 197 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 599 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 12343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...