./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product11.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_product11.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 f23bb253fda469390163082e0c766ae9a3058c00 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:57:31,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:57:31,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:57:31,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:57:31,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:57:31,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:57:31,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:57:31,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:57:31,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:57:31,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:57:31,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:57:31,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:57:31,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:57:31,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:57:31,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:57:31,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:57:31,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:57:31,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:57:31,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:57:31,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:57:31,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:57:31,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:57:31,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:57:31,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:57:31,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:57:31,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:57:31,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:57:31,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:57:31,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:57:31,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:57:31,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:57:31,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:57:31,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:57:31,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:57:31,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:57:31,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:57:31,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:57:31,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:57:31,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:57:31,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:57:31,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:57:31,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:57:31,461 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:57:31,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:57:31,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:57:31,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:57:31,470 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:57:31,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:57:31,471 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:57:31,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:57:31,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:57:31,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:57:31,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:57:31,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:57:31,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:57:31,472 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:57:31,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:57:31,472 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:57:31,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:57:31,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:57:31,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:57:31,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:57:31,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:57:31,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:31,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:57:31,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:57:31,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:57:31,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:57:31,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:57:31,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:57:31,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:57:31,481 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 -> f23bb253fda469390163082e0c766ae9a3058c00 [2020-07-28 18:57:31,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:57:31,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:57:31,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:57:31,783 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:57:31,783 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:57:31,784 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2020-07-28 18:57:31,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45caad006/95cdf18f5f724633b99c622f32924324/FLAG719fcf6ae [2020-07-28 18:57:32,283 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:57:32,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2020-07-28 18:57:32,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45caad006/95cdf18f5f724633b99c622f32924324/FLAG719fcf6ae [2020-07-28 18:57:32,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45caad006/95cdf18f5f724633b99c622f32924324 [2020-07-28 18:57:32,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:57:32,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:57:32,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:32,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:57:32,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:57:32,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:32" (1/1) ... [2020-07-28 18:57:32,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ae44dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:32, skipping insertion in model container [2020-07-28 18:57:32,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:32" (1/1) ... [2020-07-28 18:57:32,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:57:32,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:57:33,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:33,142 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:57:33,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:33,279 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:57:33,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33 WrapperNode [2020-07-28 18:57:33,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:33,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:33,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:57:33,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:57:33,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:33,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:57:33,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:57:33,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:57:33,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (1/1) ... [2020-07-28 18:57:33,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:57:33,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:57:33,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:57:33,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:57:33,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (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 18:57:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:57:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:57:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:57:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:57:34,693 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:57:34,693 INFO L295 CfgBuilder]: Removed 70 assume(true) statements. [2020-07-28 18:57:34,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:34 BoogieIcfgContainer [2020-07-28 18:57:34,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:57:34,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:57:34,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:57:34,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:57:34,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:57:32" (1/3) ... [2020-07-28 18:57:34,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398abeda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:34, skipping insertion in model container [2020-07-28 18:57:34,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:33" (2/3) ... [2020-07-28 18:57:34,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398abeda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:34, skipping insertion in model container [2020-07-28 18:57:34,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:34" (3/3) ... [2020-07-28 18:57:34,708 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2020-07-28 18:57:34,718 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:57:34,726 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:57:34,740 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:57:34,764 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:57:34,764 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:57:34,765 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:57:34,765 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:57:34,766 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:57:34,766 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:57:34,766 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:57:34,766 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:57:34,784 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-07-28 18:57:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:57:34,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:34,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:34,793 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:34,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:34,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2020-07-28 18:57:34,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:34,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185300314] [2020-07-28 18:57:34,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:35,127 INFO L280 TraceCheckUtils]: 0: Hoare triple {62#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {62#true} is VALID [2020-07-28 18:57:35,128 INFO L280 TraceCheckUtils]: 1: Hoare triple {62#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {62#true} is VALID [2020-07-28 18:57:35,129 INFO L280 TraceCheckUtils]: 2: Hoare triple {62#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {62#true} is VALID [2020-07-28 18:57:35,129 INFO L280 TraceCheckUtils]: 3: Hoare triple {62#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {62#true} is VALID [2020-07-28 18:57:35,129 INFO L280 TraceCheckUtils]: 4: Hoare triple {62#true} assume 0 != main_~tmp~0; {62#true} is VALID [2020-07-28 18:57:35,130 INFO L280 TraceCheckUtils]: 5: Hoare triple {62#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {62#true} is VALID [2020-07-28 18:57:35,131 INFO L280 TraceCheckUtils]: 6: Hoare triple {62#true} assume false; {63#false} is VALID [2020-07-28 18:57:35,132 INFO L280 TraceCheckUtils]: 7: Hoare triple {63#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {63#false} is VALID [2020-07-28 18:57:35,132 INFO L280 TraceCheckUtils]: 8: Hoare triple {63#false} assume !(0 != ~pumpRunning~0); {63#false} is VALID [2020-07-28 18:57:35,132 INFO L280 TraceCheckUtils]: 9: Hoare triple {63#false} assume 0 != ~systemActive~0; {63#false} is VALID [2020-07-28 18:57:35,133 INFO L280 TraceCheckUtils]: 10: Hoare triple {63#false} havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {63#false} is VALID [2020-07-28 18:57:35,133 INFO L280 TraceCheckUtils]: 11: Hoare triple {63#false} __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {63#false} is VALID [2020-07-28 18:57:35,134 INFO L280 TraceCheckUtils]: 12: Hoare triple {63#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {63#false} is VALID [2020-07-28 18:57:35,134 INFO L280 TraceCheckUtils]: 13: Hoare triple {63#false} __utac_acc__Specification1_spec__1_#t~ret35 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {63#false} is VALID [2020-07-28 18:57:35,134 INFO L280 TraceCheckUtils]: 14: Hoare triple {63#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {63#false} is VALID [2020-07-28 18:57:35,135 INFO L280 TraceCheckUtils]: 15: Hoare triple {63#false} assume !false; {63#false} is VALID [2020-07-28 18:57:35,139 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 18:57:35,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185300314] [2020-07-28 18:57:35,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:35,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:57:35,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599064691] [2020-07-28 18:57:35,148 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:35,150 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:35,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:57:35,193 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 18:57:35,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:57:35,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:35,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:57:35,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:35,205 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-07-28 18:57:35,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:35,369 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2020-07-28 18:57:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:57:35,370 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:35,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2020-07-28 18:57:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2020-07-28 18:57:35,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 167 transitions. [2020-07-28 18:57:35,617 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:35,631 INFO L225 Difference]: With dead ends: 112 [2020-07-28 18:57:35,631 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 18:57:35,635 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 18:57:35,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 18:57:35,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 18:57:35,682 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:35,683 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 18:57:35,684 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 18:57:35,684 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 18:57:35,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:35,690 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 18:57:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 18:57:35,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:35,691 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:35,692 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 18:57:35,692 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 18:57:35,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:35,697 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 18:57:35,697 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 18:57:35,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:35,698 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:35,698 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:35,699 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 18:57:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-07-28 18:57:35,704 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-07-28 18:57:35,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:35,705 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-07-28 18:57:35,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:57:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 18:57:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:57:35,707 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:35,707 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 18:57:35,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:57:35,708 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:35,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:35,709 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2020-07-28 18:57:35,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:35,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803884638] [2020-07-28 18:57:35,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:35,899 INFO L280 TraceCheckUtils]: 0: Hoare triple {416#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {416#true} is VALID [2020-07-28 18:57:35,900 INFO L280 TraceCheckUtils]: 1: Hoare triple {416#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {416#true} is VALID [2020-07-28 18:57:35,900 INFO L280 TraceCheckUtils]: 2: Hoare triple {416#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {416#true} is VALID [2020-07-28 18:57:35,901 INFO L280 TraceCheckUtils]: 3: Hoare triple {416#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {416#true} is VALID [2020-07-28 18:57:35,901 INFO L280 TraceCheckUtils]: 4: Hoare triple {416#true} assume 0 != main_~tmp~0; {416#true} is VALID [2020-07-28 18:57:35,902 INFO L280 TraceCheckUtils]: 5: Hoare triple {416#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:35,903 INFO L280 TraceCheckUtils]: 6: Hoare triple {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:35,904 INFO L280 TraceCheckUtils]: 7: Hoare triple {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {417#false} is VALID [2020-07-28 18:57:35,904 INFO L280 TraceCheckUtils]: 8: Hoare triple {417#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {417#false} is VALID [2020-07-28 18:57:35,905 INFO L280 TraceCheckUtils]: 9: Hoare triple {417#false} assume !(0 != ~pumpRunning~0); {417#false} is VALID [2020-07-28 18:57:35,905 INFO L280 TraceCheckUtils]: 10: Hoare triple {417#false} assume 0 != ~systemActive~0; {417#false} is VALID [2020-07-28 18:57:35,905 INFO L280 TraceCheckUtils]: 11: Hoare triple {417#false} havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {417#false} is VALID [2020-07-28 18:57:35,906 INFO L280 TraceCheckUtils]: 12: Hoare triple {417#false} __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {417#false} is VALID [2020-07-28 18:57:35,906 INFO L280 TraceCheckUtils]: 13: Hoare triple {417#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {417#false} is VALID [2020-07-28 18:57:35,907 INFO L280 TraceCheckUtils]: 14: Hoare triple {417#false} __utac_acc__Specification1_spec__1_#t~ret35 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {417#false} is VALID [2020-07-28 18:57:35,907 INFO L280 TraceCheckUtils]: 15: Hoare triple {417#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {417#false} is VALID [2020-07-28 18:57:35,907 INFO L280 TraceCheckUtils]: 16: Hoare triple {417#false} assume !false; {417#false} is VALID [2020-07-28 18:57:35,909 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 18:57:35,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803884638] [2020-07-28 18:57:35,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:35,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:35,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123452944] [2020-07-28 18:57:35,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:35,913 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:35,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:35,943 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 18:57:35,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:35,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:35,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:35,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:35,945 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-07-28 18:57:36,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:36,143 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 18:57:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:36,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:36,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:36,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 18:57:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 18:57:36,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 75 transitions. [2020-07-28 18:57:36,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:36,271 INFO L225 Difference]: With dead ends: 55 [2020-07-28 18:57:36,271 INFO L226 Difference]: Without dead ends: 29 [2020-07-28 18:57:36,273 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 18:57:36,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-28 18:57:36,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-28 18:57:36,300 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:36,300 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-28 18:57:36,300 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 18:57:36,300 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 18:57:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:36,305 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 18:57:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:57:36,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:36,306 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:36,306 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 18:57:36,306 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 18:57:36,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:36,314 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 18:57:36,314 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:57:36,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:36,314 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:36,314 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:36,315 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 18:57:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-07-28 18:57:36,319 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-07-28 18:57:36,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:36,319 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-07-28 18:57:36,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:57:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:36,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:36,320 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 18:57:36,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:57:36,321 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:36,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:36,326 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-07-28 18:57:36,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:36,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518788397] [2020-07-28 18:57:36,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:36,483 INFO L280 TraceCheckUtils]: 0: Hoare triple {599#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {601#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:36,484 INFO L280 TraceCheckUtils]: 1: Hoare triple {601#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {601#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:36,486 INFO L280 TraceCheckUtils]: 2: Hoare triple {601#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {602#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 18:57:36,487 INFO L280 TraceCheckUtils]: 3: Hoare triple {602#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {603#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} is VALID [2020-07-28 18:57:36,488 INFO L280 TraceCheckUtils]: 4: Hoare triple {603#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} assume 0 != main_~tmp~0; {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,489 INFO L280 TraceCheckUtils]: 5: Hoare triple {604#(not (= 0 ~systemActive~0))} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,490 INFO L280 TraceCheckUtils]: 6: Hoare triple {604#(not (= 0 ~systemActive~0))} assume !false; {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,491 INFO L280 TraceCheckUtils]: 7: Hoare triple {604#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,492 INFO L280 TraceCheckUtils]: 8: Hoare triple {604#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,493 INFO L280 TraceCheckUtils]: 9: Hoare triple {604#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~2); {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,494 INFO L280 TraceCheckUtils]: 10: Hoare triple {604#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~0 := test_#t~nondet21;havoc test_#t~nondet21; {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,495 INFO L280 TraceCheckUtils]: 11: Hoare triple {604#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0); {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,496 INFO L280 TraceCheckUtils]: 12: Hoare triple {604#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,497 INFO L280 TraceCheckUtils]: 13: Hoare triple {604#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,498 INFO L280 TraceCheckUtils]: 14: Hoare triple {604#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {604#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:57:36,499 INFO L280 TraceCheckUtils]: 15: Hoare triple {604#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {600#false} is VALID [2020-07-28 18:57:36,500 INFO L280 TraceCheckUtils]: 16: Hoare triple {600#false} havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {600#false} is VALID [2020-07-28 18:57:36,500 INFO L280 TraceCheckUtils]: 17: Hoare triple {600#false} __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {600#false} is VALID [2020-07-28 18:57:36,500 INFO L280 TraceCheckUtils]: 18: Hoare triple {600#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {600#false} is VALID [2020-07-28 18:57:36,501 INFO L280 TraceCheckUtils]: 19: Hoare triple {600#false} __utac_acc__Specification1_spec__1_#t~ret35 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {600#false} is VALID [2020-07-28 18:57:36,501 INFO L280 TraceCheckUtils]: 20: Hoare triple {600#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {600#false} is VALID [2020-07-28 18:57:36,501 INFO L280 TraceCheckUtils]: 21: Hoare triple {600#false} assume !false; {600#false} is VALID [2020-07-28 18:57:36,503 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 18:57:36,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518788397] [2020-07-28 18:57:36,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:36,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:57:36,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085534675] [2020-07-28 18:57:36,504 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:57:36,505 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:36,505 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:57:36,538 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 18:57:36,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:57:36,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:36,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:57:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:57:36,539 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2020-07-28 18:57:37,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:37,187 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2020-07-28 18:57:37,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:57:37,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:57:37,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:57:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2020-07-28 18:57:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:57:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2020-07-28 18:57:37,194 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 142 transitions. [2020-07-28 18:57:37,377 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:37,380 INFO L225 Difference]: With dead ends: 98 [2020-07-28 18:57:37,381 INFO L226 Difference]: Without dead ends: 75 [2020-07-28 18:57:37,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:57:37,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-28 18:57:37,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2020-07-28 18:57:37,437 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:37,438 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 48 states. [2020-07-28 18:57:37,438 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 48 states. [2020-07-28 18:57:37,438 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 48 states. [2020-07-28 18:57:37,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:37,442 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-07-28 18:57:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-07-28 18:57:37,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:37,443 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:37,443 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 75 states. [2020-07-28 18:57:37,443 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 75 states. [2020-07-28 18:57:37,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:37,448 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-07-28 18:57:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-07-28 18:57:37,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:37,450 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:37,450 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:37,450 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-28 18:57:37,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-07-28 18:57:37,453 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-07-28 18:57:37,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:37,453 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-07-28 18:57:37,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:57:37,454 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-07-28 18:57:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:37,455 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:37,455 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 18:57:37,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:57:37,455 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:37,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:37,456 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-07-28 18:57:37,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:37,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531686433] [2020-07-28 18:57:37,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:37,566 INFO L280 TraceCheckUtils]: 0: Hoare triple {966#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,567 INFO L280 TraceCheckUtils]: 1: Hoare triple {968#(= 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; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,568 INFO L280 TraceCheckUtils]: 2: Hoare triple {968#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,568 INFO L280 TraceCheckUtils]: 3: Hoare triple {968#(= 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; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,569 INFO L280 TraceCheckUtils]: 4: Hoare triple {968#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,570 INFO L280 TraceCheckUtils]: 5: Hoare triple {968#(= 0 ~pumpRunning~0)} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,572 INFO L280 TraceCheckUtils]: 6: Hoare triple {968#(= 0 ~pumpRunning~0)} assume !false; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,574 INFO L280 TraceCheckUtils]: 7: Hoare triple {968#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,574 INFO L280 TraceCheckUtils]: 8: Hoare triple {968#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,575 INFO L280 TraceCheckUtils]: 9: Hoare triple {968#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~2); {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,576 INFO L280 TraceCheckUtils]: 10: Hoare triple {968#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~0 := test_#t~nondet21;havoc test_#t~nondet21; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,576 INFO L280 TraceCheckUtils]: 11: Hoare triple {968#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,577 INFO L280 TraceCheckUtils]: 12: Hoare triple {968#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,578 INFO L280 TraceCheckUtils]: 13: Hoare triple {968#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,578 INFO L280 TraceCheckUtils]: 14: Hoare triple {968#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,579 INFO L280 TraceCheckUtils]: 15: Hoare triple {968#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,580 INFO L280 TraceCheckUtils]: 16: Hoare triple {968#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,581 INFO L280 TraceCheckUtils]: 17: Hoare triple {968#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret34 && __utac_acc__Specification1_spec__1_#t~ret34 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; {968#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:37,582 INFO L280 TraceCheckUtils]: 18: Hoare triple {968#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {969#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:57:37,583 INFO L280 TraceCheckUtils]: 19: Hoare triple {969#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret35 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {970#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} is VALID [2020-07-28 18:57:37,584 INFO L280 TraceCheckUtils]: 20: Hoare triple {970#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {967#false} is VALID [2020-07-28 18:57:37,584 INFO L280 TraceCheckUtils]: 21: Hoare triple {967#false} assume !false; {967#false} is VALID [2020-07-28 18:57:37,586 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 18:57:37,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531686433] [2020-07-28 18:57:37,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:37,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:37,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166623208] [2020-07-28 18:57:37,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:57:37,588 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:37,588 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:37,626 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 18:57:37,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:37,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:37,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:37,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:37,627 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-07-28 18:57:38,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:38,123 INFO L93 Difference]: Finished difference Result 150 states and 225 transitions. [2020-07-28 18:57:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:57:38,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:57:38,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2020-07-28 18:57:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2020-07-28 18:57:38,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 124 transitions. [2020-07-28 18:57:38,265 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:38,266 INFO L225 Difference]: With dead ends: 150 [2020-07-28 18:57:38,266 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:57:38,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 18:57:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:57:38,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:57:38,268 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:38,268 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:38,268 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:38,269 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:38,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:38,269 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:38,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:38,269 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:38,270 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:38,270 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:38,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:38,270 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:38,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:38,270 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:38,271 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:38,271 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:57:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:57:38,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-07-28 18:57:38,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:38,271 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:57:38,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:38,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:38,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:38,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:57:38,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:57:38,557 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2020-07-28 18:57:38,558 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2020-07-28 18:57:38,558 INFO L264 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,558 INFO L264 CegarLoopResult]: At program point L201-1(lines 201 207) the Hoare annotation is: false [2020-07-28 18:57:38,558 INFO L264 CegarLoopResult]: At program point L201-2(lines 201 207) the Hoare annotation is: false [2020-07-28 18:57:38,558 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:57:38,558 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-28 18:57:38,559 INFO L268 CegarLoopResult]: For program point L367(lines 367 380) no Hoare annotation was computed. [2020-07-28 18:57:38,559 INFO L264 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:38,559 INFO L268 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-07-28 18:57:38,559 INFO L264 CegarLoopResult]: At program point L385(lines 336 386) the Hoare annotation is: false [2020-07-28 18:57:38,559 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-28 18:57:38,559 INFO L268 CegarLoopResult]: For program point L56-1(lines 194 200) no Hoare annotation was computed. [2020-07-28 18:57:38,560 INFO L264 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,560 INFO L264 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2020-07-28 18:57:38,560 INFO L264 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2020-07-28 18:57:38,560 INFO L271 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2020-07-28 18:57:38,561 INFO L268 CegarLoopResult]: For program point L338(lines 337 384) no Hoare annotation was computed. [2020-07-28 18:57:38,561 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:57:38,561 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-28 18:57:38,561 INFO L264 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:38,561 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-28 18:57:38,562 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2020-07-28 18:57:38,562 INFO L268 CegarLoopResult]: For program point L373(lines 373 379) no Hoare annotation was computed. [2020-07-28 18:57:38,562 INFO L264 CegarLoopResult]: At program point L373-1(lines 194 200) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,562 INFO L268 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2020-07-28 18:57:38,563 INFO L264 CegarLoopResult]: At program point L357-1(lines 357 363) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,563 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:57:38,563 INFO L264 CegarLoopResult]: At program point L194(lines 193 212) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,563 INFO L268 CegarLoopResult]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2020-07-28 18:57:38,563 INFO L264 CegarLoopResult]: At program point L194-2(lines 193 212) the Hoare annotation is: false [2020-07-28 18:57:38,564 INFO L264 CegarLoopResult]: At program point L194-3(lines 193 212) the Hoare annotation is: false [2020-07-28 18:57:38,564 INFO L268 CegarLoopResult]: For program point L492(lines 492 505) no Hoare annotation was computed. [2020-07-28 18:57:38,564 INFO L264 CegarLoopResult]: At program point L492-1(lines 1 874) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,564 INFO L268 CegarLoopResult]: For program point L492-2(lines 492 505) no Hoare annotation was computed. [2020-07-28 18:57:38,564 INFO L264 CegarLoopResult]: At program point L492-3(lines 1 874) the Hoare annotation is: false [2020-07-28 18:57:38,565 INFO L268 CegarLoopResult]: For program point L492-4(lines 492 505) no Hoare annotation was computed. [2020-07-28 18:57:38,565 INFO L264 CegarLoopResult]: At program point L492-5(lines 1 874) the Hoare annotation is: false [2020-07-28 18:57:38,565 INFO L268 CegarLoopResult]: For program point L410(lines 410 414) no Hoare annotation was computed. [2020-07-28 18:57:38,565 INFO L268 CegarLoopResult]: For program point L410-3(lines 410 414) no Hoare annotation was computed. [2020-07-28 18:57:38,565 INFO L268 CegarLoopResult]: For program point L410-6(lines 410 414) no Hoare annotation was computed. [2020-07-28 18:57:38,565 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-28 18:57:38,566 INFO L271 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2020-07-28 18:57:38,566 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:57:38,566 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2020-07-28 18:57:38,566 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-07-28 18:57:38,567 INFO L264 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,567 INFO L268 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2020-07-28 18:57:38,567 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2020-07-28 18:57:38,567 INFO L268 CegarLoopResult]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2020-07-28 18:57:38,567 INFO L264 CegarLoopResult]: At program point L166(lines 1 874) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:38,567 INFO L264 CegarLoopResult]: At program point L447(lines 442 450) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,568 INFO L264 CegarLoopResult]: At program point L447-1(lines 442 450) the Hoare annotation is: false [2020-07-28 18:57:38,568 INFO L264 CegarLoopResult]: At program point L447-2(lines 442 450) the Hoare annotation is: false [2020-07-28 18:57:38,568 INFO L268 CegarLoopResult]: For program point L315(lines 315 321) no Hoare annotation was computed. [2020-07-28 18:57:38,568 INFO L264 CegarLoopResult]: At program point L315-1(lines 315 321) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:38,568 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-28 18:57:38,569 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-07-28 18:57:38,569 INFO L268 CegarLoopResult]: For program point L398-2(line 398) no Hoare annotation was computed. [2020-07-28 18:57:38,573 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:57:38,574 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:57:38,575 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:57:38,575 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:57:38,575 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: L194-1 has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: L194-1 has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: L194-1 has no Hoare annotation [2020-07-28 18:57:38,577 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 18:57:38,578 WARN L170 areAnnotationChecker]: L410-3 has no Hoare annotation [2020-07-28 18:57:38,578 WARN L170 areAnnotationChecker]: L410-3 has no Hoare annotation [2020-07-28 18:57:38,578 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-28 18:57:38,578 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-28 18:57:38,578 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L357 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L492-2 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L357 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L357 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L492-2 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L492-2 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-28 18:57:38,579 WARN L170 areAnnotationChecker]: L367 has no Hoare annotation [2020-07-28 18:57:38,580 WARN L170 areAnnotationChecker]: L496-2 has no Hoare annotation [2020-07-28 18:57:38,580 WARN L170 areAnnotationChecker]: L367 has no Hoare annotation [2020-07-28 18:57:38,580 WARN L170 areAnnotationChecker]: L367 has no Hoare annotation [2020-07-28 18:57:38,580 WARN L170 areAnnotationChecker]: L496-2 has no Hoare annotation [2020-07-28 18:57:38,580 WARN L170 areAnnotationChecker]: L496-2 has no Hoare annotation [2020-07-28 18:57:38,581 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:57:38,581 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 18:57:38,582 WARN L170 areAnnotationChecker]: L373 has no Hoare annotation [2020-07-28 18:57:38,582 WARN L170 areAnnotationChecker]: L373 has no Hoare annotation [2020-07-28 18:57:38,582 WARN L170 areAnnotationChecker]: L398-1 has no Hoare annotation [2020-07-28 18:57:38,582 WARN L170 areAnnotationChecker]: L398-1 has no Hoare annotation [2020-07-28 18:57:38,582 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:57:38,582 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 18:57:38,582 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 18:57:38,584 WARN L170 areAnnotationChecker]: L315 has no Hoare annotation [2020-07-28 18:57:38,584 WARN L170 areAnnotationChecker]: L315 has no Hoare annotation [2020-07-28 18:57:38,584 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:57:38,584 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:57:38,585 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:57:38,585 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:57:38,585 WARN L170 areAnnotationChecker]: L492 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L410-6 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L410-6 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L492 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L492 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L492-4 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L492-4 has no Hoare annotation [2020-07-28 18:57:38,586 WARN L170 areAnnotationChecker]: L492-4 has no Hoare annotation [2020-07-28 18:57:38,587 WARN L170 areAnnotationChecker]: L398 has no Hoare annotation [2020-07-28 18:57:38,587 WARN L170 areAnnotationChecker]: L398 has no Hoare annotation [2020-07-28 18:57:38,587 WARN L170 areAnnotationChecker]: L496-4 has no Hoare annotation [2020-07-28 18:57:38,587 WARN L170 areAnnotationChecker]: L496-4 has no Hoare annotation [2020-07-28 18:57:38,587 WARN L170 areAnnotationChecker]: L496-4 has no Hoare annotation [2020-07-28 18:57:38,587 WARN L170 areAnnotationChecker]: L398-2 has no Hoare annotation [2020-07-28 18:57:38,588 WARN L170 areAnnotationChecker]: L398-2 has no Hoare annotation [2020-07-28 18:57:38,588 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:57:38,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:57:38 BoogieIcfgContainer [2020-07-28 18:57:38,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:57:38,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:57:38,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:57:38,607 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:57:38,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:34" (3/4) ... [2020-07-28 18:57:38,611 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:57:38,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:57:38,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:57:38,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:57:38,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:57:38,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:57:38,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:38,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:38,658 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == pumpRunning && \result == systemActive) && 1 == systemActive [2020-07-28 18:57:38,658 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:57:38,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:57:38,714 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:57:38,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:57:38,717 INFO L168 Benchmark]: Toolchain (without parser) took 6101.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 952.2 MB in the beginning and 977.4 MB in the end (delta: -25.2 MB). Peak memory consumption was 201.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:38,718 INFO L168 Benchmark]: CDTParser took 0.27 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 18:57:38,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:38,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:38,719 INFO L168 Benchmark]: Boogie Preprocessor took 77.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:38,720 INFO L168 Benchmark]: RCFGBuilder took 1219.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:38,720 INFO L168 Benchmark]: TraceAbstraction took 3906.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 55.6 MB). Free memory was 1.0 GB in the beginning and 984.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 87.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:38,721 INFO L168 Benchmark]: Witness Printer took 108.32 ms. Allocated memory is still 1.3 GB. Free memory was 984.7 MB in the beginning and 977.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:38,723 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 0.27 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 661.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1219.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3906.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 55.6 MB). Free memory was 1.0 GB in the beginning and 984.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 87.8 MB. Max. memory is 11.5 GB. * Witness Printer took 108.32 ms. Allocated memory is still 1.3 GB. Free memory was 984.7 MB in the beginning and 977.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (0 == pumpRunning && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 208 SDtfs, 250 SDslu, 303 SDs, 0 SdLazy, 39 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 73 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 852 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 3128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...