./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product06.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 c762bce629f36cf7371b941fff55f6d65cb160f7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:06,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:06,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:06,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:06,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:06,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:06,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:06,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:06,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:06,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:06,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:06,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:06,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:06,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:06,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:06,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:06,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:06,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:06,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:06,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:06,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:06,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:06,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:06,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:06,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:06,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:06,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:06,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:06,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:06,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:06,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:06,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:06,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:06,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:06,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:06,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:06,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:06,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:06,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:06,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:06,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:06,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:06,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:06,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:06,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:06,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:06,600 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:06,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:06,601 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:06,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:06,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:06,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:06,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:06,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:06,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:06,602 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:06,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:06,603 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:06,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:06,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:06,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:06,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:06,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:06,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:06,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:06,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:06,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:06,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:06,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:06,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:06,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:06,606 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 -> c762bce629f36cf7371b941fff55f6d65cb160f7 [2020-07-28 19:01:06,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:06,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:06,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:06,929 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:06,929 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:06,930 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2020-07-28 19:01:06,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106ce97a8/a914d834dab7423cbff2feb9f361bb91/FLAG737d98176 [2020-07-28 19:01:07,624 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:07,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2020-07-28 19:01:07,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106ce97a8/a914d834dab7423cbff2feb9f361bb91/FLAG737d98176 [2020-07-28 19:01:07,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106ce97a8/a914d834dab7423cbff2feb9f361bb91 [2020-07-28 19:01:07,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:07,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:07,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:07,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:07,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:07,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:07" (1/1) ... [2020-07-28 19:01:07,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79043f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:07, skipping insertion in model container [2020-07-28 19:01:07,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:07" (1/1) ... [2020-07-28 19:01:07,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:07,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:08,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:08,396 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:08,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:08,547 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:08,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08 WrapperNode [2020-07-28 19:01:08,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:08,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:08,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:08,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:08,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:08,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:08,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:08,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:08,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... [2020-07-28 19:01:08,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:08,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:08,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:08,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:08,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:10,230 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:10,231 INFO L295 CfgBuilder]: Removed 104 assume(true) statements. [2020-07-28 19:01:10,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:10 BoogieIcfgContainer [2020-07-28 19:01:10,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:10,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:10,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:10,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:10,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:07" (1/3) ... [2020-07-28 19:01:10,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfb002c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:10, skipping insertion in model container [2020-07-28 19:01:10,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:08" (2/3) ... [2020-07-28 19:01:10,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfb002c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:10, skipping insertion in model container [2020-07-28 19:01:10,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:10" (3/3) ... [2020-07-28 19:01:10,248 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2020-07-28 19:01:10,260 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:10,269 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:10,285 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:10,313 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:10,313 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:10,313 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:10,314 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:10,314 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:10,315 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:10,315 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:10,315 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 19:01:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:10,345 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:10,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:10,347 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:10,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:10,354 INFO L82 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2020-07-28 19:01:10,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:10,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945508613] [2020-07-28 19:01:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:10,708 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {78#true} is VALID [2020-07-28 19:01:10,709 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2; {78#true} is VALID [2020-07-28 19:01:10,710 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {78#true} is VALID [2020-07-28 19:01:10,710 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret33 := valid_product_#res;assume -2147483648 <= main_#t~ret33 && main_#t~ret33 <= 2147483647;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; {78#true} is VALID [2020-07-28 19:01:10,710 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~2; {78#true} is VALID [2020-07-28 19:01:10,712 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 19:01:10,713 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 19:01:10,714 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 19:01:10,714 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 19:01:10,715 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 19:01:10,715 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {79#false} is VALID [2020-07-28 19:01:10,715 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {79#false} is VALID [2020-07-28 19:01:10,716 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {79#false} is VALID [2020-07-28 19:01:10,716 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {79#false} is VALID [2020-07-28 19:01:10,717 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {79#false} is VALID [2020-07-28 19:01:10,717 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {79#false} is VALID [2020-07-28 19:01:10,719 INFO L280 TraceCheckUtils]: 16: Hoare triple {79#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {79#false} is VALID [2020-07-28 19:01:10,720 INFO L280 TraceCheckUtils]: 17: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 19:01:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:10,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945508613] [2020-07-28 19:01:10,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:10,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:10,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829514984] [2020-07-28 19:01:10,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:10,747 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:10,751 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:10,813 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:10,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:10,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:10,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:10,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:10,827 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 19:01:11,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:11,119 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 19:01:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:11,120 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:11,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:11,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:01:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:01:11,143 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 215 transitions. [2020-07-28 19:01:11,426 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:11,439 INFO L225 Difference]: With dead ends: 144 [2020-07-28 19:01:11,439 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 19:01:11,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:11,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 19:01:11,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 19:01:11,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:11,501 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:11,501 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:11,501 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:11,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:11,507 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:11,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:11,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:11,509 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:11,509 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:11,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:11,514 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:11,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:11,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:11,516 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:11,516 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 19:01:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-07-28 19:01:11,522 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2020-07-28 19:01:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:11,522 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-07-28 19:01:11,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:11,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:11,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:11,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:11,525 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:11,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:11,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2020-07-28 19:01:11,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:11,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695741855] [2020-07-28 19:01:11,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:11,704 INFO L280 TraceCheckUtils]: 0: Hoare triple {536#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {536#true} is VALID [2020-07-28 19:01:11,704 INFO L280 TraceCheckUtils]: 1: Hoare triple {536#true} havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2; {536#true} is VALID [2020-07-28 19:01:11,705 INFO L280 TraceCheckUtils]: 2: Hoare triple {536#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {536#true} is VALID [2020-07-28 19:01:11,705 INFO L280 TraceCheckUtils]: 3: Hoare triple {536#true} main_#t~ret33 := valid_product_#res;assume -2147483648 <= main_#t~ret33 && main_#t~ret33 <= 2147483647;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; {536#true} is VALID [2020-07-28 19:01:11,705 INFO L280 TraceCheckUtils]: 4: Hoare triple {536#true} assume 0 != main_~tmp~2; {536#true} is VALID [2020-07-28 19:01:11,710 INFO L280 TraceCheckUtils]: 5: Hoare triple {536#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {538#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:11,711 INFO L280 TraceCheckUtils]: 6: Hoare triple {538#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {538#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:11,713 INFO L280 TraceCheckUtils]: 7: Hoare triple {538#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {537#false} is VALID [2020-07-28 19:01:11,713 INFO L280 TraceCheckUtils]: 8: Hoare triple {537#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {537#false} is VALID [2020-07-28 19:01:11,713 INFO L280 TraceCheckUtils]: 9: Hoare triple {537#false} assume !(0 != ~pumpRunning~0); {537#false} is VALID [2020-07-28 19:01:11,714 INFO L280 TraceCheckUtils]: 10: Hoare triple {537#false} assume !(0 != ~systemActive~0); {537#false} is VALID [2020-07-28 19:01:11,714 INFO L280 TraceCheckUtils]: 11: Hoare triple {537#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {537#false} is VALID [2020-07-28 19:01:11,714 INFO L280 TraceCheckUtils]: 12: Hoare triple {537#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {537#false} is VALID [2020-07-28 19:01:11,714 INFO L280 TraceCheckUtils]: 13: Hoare triple {537#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {537#false} is VALID [2020-07-28 19:01:11,715 INFO L280 TraceCheckUtils]: 14: Hoare triple {537#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {537#false} is VALID [2020-07-28 19:01:11,715 INFO L280 TraceCheckUtils]: 15: Hoare triple {537#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {537#false} is VALID [2020-07-28 19:01:11,716 INFO L280 TraceCheckUtils]: 16: Hoare triple {537#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {537#false} is VALID [2020-07-28 19:01:11,717 INFO L280 TraceCheckUtils]: 17: Hoare triple {537#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {537#false} is VALID [2020-07-28 19:01:11,717 INFO L280 TraceCheckUtils]: 18: Hoare triple {537#false} assume !false; {537#false} is VALID [2020-07-28 19:01:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:11,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695741855] [2020-07-28 19:01:11,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:11,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:11,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850719234] [2020-07-28 19:01:11,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:11,725 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:11,725 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:11,764 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:11,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:11,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:11,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:11,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:11,765 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-07-28 19:01:12,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,006 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:12,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:12,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:12,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:01:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:01:12,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 19:01:12,137 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:12,138 INFO L225 Difference]: With dead ends: 71 [2020-07-28 19:01:12,139 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:01:12,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:01:12,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:01:12,184 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:12,184 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,185 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,185 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,187 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:01:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:12,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:12,188 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:12,188 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,190 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,194 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:01:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:12,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:12,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:12,195 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:12,196 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:01:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 19:01:12,198 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-07-28 19:01:12,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:12,199 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 19:01:12,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:12,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:12,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:12,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:12,202 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:12,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:12,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2020-07-28 19:01:12,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:12,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192482661] [2020-07-28 19:01:12,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:12,361 INFO L280 TraceCheckUtils]: 0: Hoare triple {757#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {757#true} is VALID [2020-07-28 19:01:12,361 INFO L280 TraceCheckUtils]: 1: Hoare triple {757#true} havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2; {757#true} is VALID [2020-07-28 19:01:12,362 INFO L280 TraceCheckUtils]: 2: Hoare triple {757#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {759#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:01:12,363 INFO L280 TraceCheckUtils]: 3: Hoare triple {759#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret33 := valid_product_#res;assume -2147483648 <= main_#t~ret33 && main_#t~ret33 <= 2147483647;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; {760#(= 1 ULTIMATE.start_main_~tmp~2)} is VALID [2020-07-28 19:01:12,363 INFO L280 TraceCheckUtils]: 4: Hoare triple {760#(= 1 ULTIMATE.start_main_~tmp~2)} assume 0 != main_~tmp~2; {757#true} is VALID [2020-07-28 19:01:12,364 INFO L280 TraceCheckUtils]: 5: Hoare triple {757#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {757#true} is VALID [2020-07-28 19:01:12,364 INFO L280 TraceCheckUtils]: 6: Hoare triple {757#true} assume !false; {757#true} is VALID [2020-07-28 19:01:12,364 INFO L280 TraceCheckUtils]: 7: Hoare triple {757#true} assume test_~splverifierCounter~0 < 4; {757#true} is VALID [2020-07-28 19:01:12,364 INFO L280 TraceCheckUtils]: 8: Hoare triple {757#true} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; {757#true} is VALID [2020-07-28 19:01:12,365 INFO L280 TraceCheckUtils]: 9: Hoare triple {757#true} assume !(0 != test_~tmp~1); {757#true} is VALID [2020-07-28 19:01:12,365 INFO L280 TraceCheckUtils]: 10: Hoare triple {757#true} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {757#true} is VALID [2020-07-28 19:01:12,365 INFO L280 TraceCheckUtils]: 11: Hoare triple {757#true} assume !(0 != test_~tmp___0~0); {757#true} is VALID [2020-07-28 19:01:12,366 INFO L280 TraceCheckUtils]: 12: Hoare triple {757#true} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {757#true} is VALID [2020-07-28 19:01:12,366 INFO L280 TraceCheckUtils]: 13: Hoare triple {757#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {761#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:12,367 INFO L280 TraceCheckUtils]: 14: Hoare triple {761#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {761#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:12,368 INFO L280 TraceCheckUtils]: 15: Hoare triple {761#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {758#false} is VALID [2020-07-28 19:01:12,368 INFO L280 TraceCheckUtils]: 16: Hoare triple {758#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {758#false} is VALID [2020-07-28 19:01:12,368 INFO L280 TraceCheckUtils]: 17: Hoare triple {758#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {758#false} is VALID [2020-07-28 19:01:12,369 INFO L280 TraceCheckUtils]: 18: Hoare triple {758#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {758#false} is VALID [2020-07-28 19:01:12,369 INFO L280 TraceCheckUtils]: 19: Hoare triple {758#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {758#false} is VALID [2020-07-28 19:01:12,369 INFO L280 TraceCheckUtils]: 20: Hoare triple {758#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {758#false} is VALID [2020-07-28 19:01:12,370 INFO L280 TraceCheckUtils]: 21: Hoare triple {758#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {758#false} is VALID [2020-07-28 19:01:12,370 INFO L280 TraceCheckUtils]: 22: Hoare triple {758#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {758#false} is VALID [2020-07-28 19:01:12,370 INFO L280 TraceCheckUtils]: 23: Hoare triple {758#false} assume !false; {758#false} is VALID [2020-07-28 19:01:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:12,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192482661] [2020-07-28 19:01:12,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:12,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:12,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147503866] [2020-07-28 19:01:12,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:12,373 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:12,373 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:12,408 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:12,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:12,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:12,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:12,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:12,410 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-07-28 19:01:12,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,810 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-07-28 19:01:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:01:12,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:12,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2020-07-28 19:01:12,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2020-07-28 19:01:12,815 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 86 transitions. [2020-07-28 19:01:12,933 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:12,935 INFO L225 Difference]: With dead ends: 60 [2020-07-28 19:01:12,935 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:01:12,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:01:12,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:01:12,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:01:12,971 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:12,971 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,971 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,971 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,973 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:01:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:12,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:12,978 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:12,978 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,978 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:12,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,983 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:01:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:12,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:12,984 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:12,984 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:12,984 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:01:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 19:01:12,986 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-07-28 19:01:12,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:12,986 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 19:01:12,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:12,991 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:12,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:12,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:12,992 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:12,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:12,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2020-07-28 19:01:12,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:12,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195098417] [2020-07-28 19:01:12,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:13,112 INFO L280 TraceCheckUtils]: 0: Hoare triple {967#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,113 INFO L280 TraceCheckUtils]: 1: Hoare triple {969#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,113 INFO L280 TraceCheckUtils]: 2: Hoare triple {969#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,114 INFO L280 TraceCheckUtils]: 3: Hoare triple {969#(= 1 ~waterLevel~0)} main_#t~ret33 := valid_product_#res;assume -2147483648 <= main_#t~ret33 && main_#t~ret33 <= 2147483647;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,115 INFO L280 TraceCheckUtils]: 4: Hoare triple {969#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~2; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,115 INFO L280 TraceCheckUtils]: 5: Hoare triple {969#(= 1 ~waterLevel~0)} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,116 INFO L280 TraceCheckUtils]: 6: Hoare triple {969#(= 1 ~waterLevel~0)} assume !false; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,116 INFO L280 TraceCheckUtils]: 7: Hoare triple {969#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,117 INFO L280 TraceCheckUtils]: 8: Hoare triple {969#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,118 INFO L280 TraceCheckUtils]: 9: Hoare triple {969#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~1); {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,118 INFO L280 TraceCheckUtils]: 10: Hoare triple {969#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,119 INFO L280 TraceCheckUtils]: 11: Hoare triple {969#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,119 INFO L280 TraceCheckUtils]: 12: Hoare triple {969#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,120 INFO L280 TraceCheckUtils]: 13: Hoare triple {969#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,121 INFO L280 TraceCheckUtils]: 14: Hoare triple {969#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,121 INFO L280 TraceCheckUtils]: 15: Hoare triple {969#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,122 INFO L280 TraceCheckUtils]: 16: Hoare triple {969#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,123 INFO L280 TraceCheckUtils]: 17: Hoare triple {969#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,123 INFO L280 TraceCheckUtils]: 18: Hoare triple {969#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {969#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:13,124 INFO L280 TraceCheckUtils]: 19: Hoare triple {969#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {970#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:13,125 INFO L280 TraceCheckUtils]: 20: Hoare triple {970#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {971#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1 1)} is VALID [2020-07-28 19:01:13,126 INFO L280 TraceCheckUtils]: 21: Hoare triple {971#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {968#false} is VALID [2020-07-28 19:01:13,126 INFO L280 TraceCheckUtils]: 22: Hoare triple {968#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {968#false} is VALID [2020-07-28 19:01:13,126 INFO L280 TraceCheckUtils]: 23: Hoare triple {968#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {968#false} is VALID [2020-07-28 19:01:13,126 INFO L280 TraceCheckUtils]: 24: Hoare triple {968#false} assume !false; {968#false} is VALID [2020-07-28 19:01:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:13,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195098417] [2020-07-28 19:01:13,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:13,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:13,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894495610] [2020-07-28 19:01:13,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:13,129 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:13,129 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:13,163 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:13,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:13,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:13,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:13,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:13,164 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-07-28 19:01:13,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:13,836 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2020-07-28 19:01:13,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:13,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:13,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 234 transitions. [2020-07-28 19:01:13,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 234 transitions. [2020-07-28 19:01:13,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 234 transitions. [2020-07-28 19:01:14,117 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:14,125 INFO L225 Difference]: With dead ends: 158 [2020-07-28 19:01:14,126 INFO L226 Difference]: Without dead ends: 131 [2020-07-28 19:01:14,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:14,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-28 19:01:14,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2020-07-28 19:01:14,210 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:14,210 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:14,210 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:14,211 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:14,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:14,215 INFO L93 Difference]: Finished difference Result 131 states and 188 transitions. [2020-07-28 19:01:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2020-07-28 19:01:14,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:14,217 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:14,217 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 131 states. [2020-07-28 19:01:14,217 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 131 states. [2020-07-28 19:01:14,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:14,222 INFO L93 Difference]: Finished difference Result 131 states and 188 transitions. [2020-07-28 19:01:14,222 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2020-07-28 19:01:14,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:14,223 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:14,223 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:14,224 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 19:01:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-07-28 19:01:14,226 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2020-07-28 19:01:14,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:14,226 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-07-28 19:01:14,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-07-28 19:01:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:14,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:14,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:14,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:14,228 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:14,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:14,228 INFO L82 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2020-07-28 19:01:14,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:14,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031431195] [2020-07-28 19:01:14,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:14,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:14,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:14,369 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:14,369 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:14,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:14,538 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:14,538 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:14,538 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 19:01:14,538 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:01:14,538 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2020-07-28 19:01:14,538 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L471-1 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L866-1 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L866-1 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L866-1 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L480 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-28 19:01:14,539 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-28 19:01:14,540 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:14,540 WARN L170 areAnnotationChecker]: L104-1 has no Hoare annotation [2020-07-28 19:01:14,540 WARN L170 areAnnotationChecker]: L104-1 has no Hoare annotation [2020-07-28 19:01:14,540 WARN L170 areAnnotationChecker]: L253 has no Hoare annotation [2020-07-28 19:01:14,540 WARN L170 areAnnotationChecker]: L315-3 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L315-3 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L104-2 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L104-2 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L261 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L261 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L136-1 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L136-1 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 19:01:14,541 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L261-1 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L352-2 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L352-3 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L180-1 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L860-2 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L860-2 has no Hoare annotation [2020-07-28 19:01:14,542 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:01:14,543 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:01:14,543 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2020-07-28 19:01:14,543 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2020-07-28 19:01:14,543 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2020-07-28 19:01:14,543 WARN L170 areAnnotationChecker]: L866-3 has no Hoare annotation [2020-07-28 19:01:14,543 WARN L170 areAnnotationChecker]: L384-1 has no Hoare annotation [2020-07-28 19:01:14,543 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-28 19:01:14,543 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-28 19:01:14,544 WARN L170 areAnnotationChecker]: L400-2 has no Hoare annotation [2020-07-28 19:01:14,544 WARN L170 areAnnotationChecker]: L400-2 has no Hoare annotation [2020-07-28 19:01:14,544 WARN L170 areAnnotationChecker]: L400-2 has no Hoare annotation [2020-07-28 19:01:14,544 WARN L170 areAnnotationChecker]: L866-2 has no Hoare annotation [2020-07-28 19:01:14,544 WARN L170 areAnnotationChecker]: L866-2 has no Hoare annotation [2020-07-28 19:01:14,545 WARN L170 areAnnotationChecker]: L289-2 has no Hoare annotation [2020-07-28 19:01:14,545 WARN L170 areAnnotationChecker]: L289-2 has no Hoare annotation [2020-07-28 19:01:14,545 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 19:01:14,545 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 19:01:14,545 WARN L170 areAnnotationChecker]: L401 has no Hoare annotation [2020-07-28 19:01:14,545 WARN L170 areAnnotationChecker]: L189-1 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L315 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L315 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L870-2 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L870-2 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 19:01:14,546 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L404-1 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L404-1 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L352-1 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L315-6 has no Hoare annotation [2020-07-28 19:01:14,547 WARN L170 areAnnotationChecker]: L315-6 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L104-3 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L104-3 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L180 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L111-2 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 19:01:14,548 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L352-4 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L352-5 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L180-2 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L860-4 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L860-4 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:01:14,549 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L866-5 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L384-2 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L866-4 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L866-4 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:01:14,550 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:01:14,551 WARN L170 areAnnotationChecker]: L189-2 has no Hoare annotation [2020-07-28 19:01:14,551 WARN L170 areAnnotationChecker]: L870-4 has no Hoare annotation [2020-07-28 19:01:14,551 WARN L170 areAnnotationChecker]: L870-4 has no Hoare annotation [2020-07-28 19:01:14,551 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:01:14,551 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:01:14,551 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:14,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:14 BoogieIcfgContainer [2020-07-28 19:01:14,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:14,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:14,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:14,555 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:14,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:10" (3/4) ... [2020-07-28 19:01:14,558 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:14,741 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:14,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:14,744 INFO L168 Benchmark]: Toolchain (without parser) took 6874.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 958.9 MB in the beginning and 861.4 MB in the end (delta: 97.5 MB). Peak memory consumption was 305.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:14,744 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:14,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:14,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:14,750 INFO L168 Benchmark]: Boogie Preprocessor took 44.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:14,751 INFO L168 Benchmark]: RCFGBuilder took 1538.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.1 MB in the end (delta: 144.4 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:14,752 INFO L168 Benchmark]: TraceAbstraction took 4316.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 959.1 MB in the beginning and 884.2 MB in the end (delta: 74.9 MB). Peak memory consumption was 148.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:14,756 INFO L168 Benchmark]: Witness Printer took 186.00 ms. Allocated memory is still 1.2 GB. Free memory was 884.2 MB in the beginning and 861.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:14,761 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 677.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1538.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.1 MB in the end (delta: 144.4 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4316.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 959.1 MB in the beginning and 884.2 MB in the end (delta: 74.9 MB). Peak memory consumption was 148.8 MB. Max. memory is 11.5 GB. * Witness Printer took 186.00 ms. Allocated memory is still 1.2 GB. Free memory was 884.2 MB in the beginning and 861.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] tmp = __VERIFIER_nondet_int() [L261] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L327] COND TRUE waterLevel < 2 [L328] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L233] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] COND TRUE \read(systemActive) [L133] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L864] tmp___0 = getWaterLevel() [L866] COND TRUE tmp___0 == 2 [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] tmp___1 = isPumpRunning() [L870] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 334 SDslu, 177 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 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 incorrect! Received shutdown request...