./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product38.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product38.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 a0c13a298b8ef5fea6639223509104e0f4da0801 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:09,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:09,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:09,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:09,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:09,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:09,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:09,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:09,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:09,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:09,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:09,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:09,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:09,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:09,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:09,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:09,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:09,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:09,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:09,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:09,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:09,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:09,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:09,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:09,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:09,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:09,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:09,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:09,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:09,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:09,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:09,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:09,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:09,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:09,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:09,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:09,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:09,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:09,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:09,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:09,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:09,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:09,466 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:09,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:09,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:09,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:09,468 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:09,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:09,469 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:09,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:09,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:09,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:09,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:09,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:09,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:09,471 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:09,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:09,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:09,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:09,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:09,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:09,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:09,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:09,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:09,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:09,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:09,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:09,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:09,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:09,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:09,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:09,475 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 -> a0c13a298b8ef5fea6639223509104e0f4da0801 [2020-07-28 18:58:09,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:09,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:09,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:09,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:09,955 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:09,956 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product38.cil.c [2020-07-28 18:58:10,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5281942a9/d9c42bb4f20f4587b6bc87dcd63cc19d/FLAGd0980e04a [2020-07-28 18:58:10,593 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:10,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product38.cil.c [2020-07-28 18:58:10,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5281942a9/d9c42bb4f20f4587b6bc87dcd63cc19d/FLAGd0980e04a [2020-07-28 18:58:10,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5281942a9/d9c42bb4f20f4587b6bc87dcd63cc19d [2020-07-28 18:58:10,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:10,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:10,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:10,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:10,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:10,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:10" (1/1) ... [2020-07-28 18:58:10,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8bf172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:10, skipping insertion in model container [2020-07-28 18:58:10,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:10" (1/1) ... [2020-07-28 18:58:10,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:10,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:11,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:11,443 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:11,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:11,573 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:11,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11 WrapperNode [2020-07-28 18:58:11,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:11,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:11,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:11,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:11,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:11,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:11,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:11,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:11,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:11,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:11,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:11,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:11,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:11,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:13,372 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:13,373 INFO L295 CfgBuilder]: Removed 158 assume(true) statements. [2020-07-28 18:58:13,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:13 BoogieIcfgContainer [2020-07-28 18:58:13,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:13,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:13,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:13,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:13,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:10" (1/3) ... [2020-07-28 18:58:13,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557464c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:13, skipping insertion in model container [2020-07-28 18:58:13,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (2/3) ... [2020-07-28 18:58:13,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557464c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:13, skipping insertion in model container [2020-07-28 18:58:13,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:13" (3/3) ... [2020-07-28 18:58:13,387 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product38.cil.c [2020-07-28 18:58:13,398 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:13,407 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:13,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:13,449 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:13,449 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:13,449 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:13,449 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:13,450 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:13,450 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:13,451 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:13,451 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-07-28 18:58:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:13,480 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:13,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:13,482 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:13,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:13,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1529342393, now seen corresponding path program 1 times [2020-07-28 18:58:13,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:13,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422739202] [2020-07-28 18:58:13,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:13,826 INFO L280 TraceCheckUtils]: 0: Hoare triple {114#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {114#true} is VALID [2020-07-28 18:58:13,827 INFO L280 TraceCheckUtils]: 1: Hoare triple {114#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {114#true} is VALID [2020-07-28 18:58:13,827 INFO L280 TraceCheckUtils]: 2: Hoare triple {114#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {114#true} is VALID [2020-07-28 18:58:13,827 INFO L280 TraceCheckUtils]: 3: Hoare triple {114#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {114#true} is VALID [2020-07-28 18:58:13,828 INFO L280 TraceCheckUtils]: 4: Hoare triple {114#true} assume 0 != main_~tmp~0; {114#true} is VALID [2020-07-28 18:58:13,829 INFO L280 TraceCheckUtils]: 5: Hoare triple {114#true} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {114#true} is VALID [2020-07-28 18:58:13,830 INFO L280 TraceCheckUtils]: 6: Hoare triple {114#true} assume !true; {115#false} is VALID [2020-07-28 18:58:13,830 INFO L280 TraceCheckUtils]: 7: Hoare triple {115#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {115#false} is VALID [2020-07-28 18:58:13,831 INFO L280 TraceCheckUtils]: 8: Hoare triple {115#false} assume !(0 != ~pumpRunning~0); {115#false} is VALID [2020-07-28 18:58:13,831 INFO L280 TraceCheckUtils]: 9: Hoare triple {115#false} assume !(0 != ~systemActive~0); {115#false} is VALID [2020-07-28 18:58:13,832 INFO L280 TraceCheckUtils]: 10: Hoare triple {115#false} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {115#false} is VALID [2020-07-28 18:58:13,832 INFO L280 TraceCheckUtils]: 11: Hoare triple {115#false} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {115#false} is VALID [2020-07-28 18:58:13,833 INFO L280 TraceCheckUtils]: 12: Hoare triple {115#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {115#false} is VALID [2020-07-28 18:58:13,833 INFO L280 TraceCheckUtils]: 13: Hoare triple {115#false} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {115#false} is VALID [2020-07-28 18:58:13,833 INFO L280 TraceCheckUtils]: 14: Hoare triple {115#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {115#false} is VALID [2020-07-28 18:58:13,834 INFO L280 TraceCheckUtils]: 15: Hoare triple {115#false} assume !false; {115#false} is VALID [2020-07-28 18:58:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:13,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422739202] [2020-07-28 18:58:13,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:13,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:13,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239140845] [2020-07-28 18:58:13,848 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:13,850 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:13,854 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:13,896 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:13,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:13,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:13,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:13,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:13,910 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-07-28 18:58:14,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,205 INFO L93 Difference]: Finished difference Result 216 states and 329 transitions. [2020-07-28 18:58:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:14,205 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:14,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:14,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 329 transitions. [2020-07-28 18:58:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:14,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 329 transitions. [2020-07-28 18:58:14,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 329 transitions. [2020-07-28 18:58:14,684 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 329 edges. 329 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:14,724 INFO L225 Difference]: With dead ends: 216 [2020-07-28 18:58:14,724 INFO L226 Difference]: Without dead ends: 107 [2020-07-28 18:58:14,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:14,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-28 18:58:14,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-28 18:58:14,790 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:14,791 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 107 states. [2020-07-28 18:58:14,791 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 18:58:14,792 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 18:58:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,800 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2020-07-28 18:58:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2020-07-28 18:58:14,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:14,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:14,802 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 18:58:14,802 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 18:58:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,810 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2020-07-28 18:58:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2020-07-28 18:58:14,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:14,812 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:14,812 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:14,812 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-28 18:58:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2020-07-28 18:58:14,821 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 16 [2020-07-28 18:58:14,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:14,822 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2020-07-28 18:58:14,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2020-07-28 18:58:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:14,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:14,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:14,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:14,824 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:14,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:14,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1945506518, now seen corresponding path program 1 times [2020-07-28 18:58:14,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:14,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898117140] [2020-07-28 18:58:14,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:15,012 INFO L280 TraceCheckUtils]: 0: Hoare triple {779#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {779#true} is VALID [2020-07-28 18:58:15,012 INFO L280 TraceCheckUtils]: 1: Hoare triple {779#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {779#true} is VALID [2020-07-28 18:58:15,012 INFO L280 TraceCheckUtils]: 2: Hoare triple {779#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {779#true} is VALID [2020-07-28 18:58:15,013 INFO L280 TraceCheckUtils]: 3: Hoare triple {779#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {779#true} is VALID [2020-07-28 18:58:15,013 INFO L280 TraceCheckUtils]: 4: Hoare triple {779#true} assume 0 != main_~tmp~0; {779#true} is VALID [2020-07-28 18:58:15,014 INFO L280 TraceCheckUtils]: 5: Hoare triple {779#true} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {781#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:15,015 INFO L280 TraceCheckUtils]: 6: Hoare triple {781#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {781#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:15,015 INFO L280 TraceCheckUtils]: 7: Hoare triple {781#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {780#false} is VALID [2020-07-28 18:58:15,016 INFO L280 TraceCheckUtils]: 8: Hoare triple {780#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {780#false} is VALID [2020-07-28 18:58:15,016 INFO L280 TraceCheckUtils]: 9: Hoare triple {780#false} assume !(0 != ~pumpRunning~0); {780#false} is VALID [2020-07-28 18:58:15,016 INFO L280 TraceCheckUtils]: 10: Hoare triple {780#false} assume !(0 != ~systemActive~0); {780#false} is VALID [2020-07-28 18:58:15,017 INFO L280 TraceCheckUtils]: 11: Hoare triple {780#false} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {780#false} is VALID [2020-07-28 18:58:15,017 INFO L280 TraceCheckUtils]: 12: Hoare triple {780#false} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {780#false} is VALID [2020-07-28 18:58:15,017 INFO L280 TraceCheckUtils]: 13: Hoare triple {780#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {780#false} is VALID [2020-07-28 18:58:15,017 INFO L280 TraceCheckUtils]: 14: Hoare triple {780#false} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {780#false} is VALID [2020-07-28 18:58:15,018 INFO L280 TraceCheckUtils]: 15: Hoare triple {780#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {780#false} is VALID [2020-07-28 18:58:15,018 INFO L280 TraceCheckUtils]: 16: Hoare triple {780#false} assume !false; {780#false} is VALID [2020-07-28 18:58:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:15,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898117140] [2020-07-28 18:58:15,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:15,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:15,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309225843] [2020-07-28 18:58:15,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:15,022 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:15,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:15,049 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:15,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:15,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:15,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:15,050 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand 3 states. [2020-07-28 18:58:15,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,254 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2020-07-28 18:58:15,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:15,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:15,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2020-07-28 18:58:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2020-07-28 18:58:15,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 156 transitions. [2020-07-28 18:58:15,455 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,459 INFO L225 Difference]: With dead ends: 107 [2020-07-28 18:58:15,460 INFO L226 Difference]: Without dead ends: 45 [2020-07-28 18:58:15,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:15,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-28 18:58:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-07-28 18:58:15,482 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:15,483 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:15,483 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:15,483 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:15,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,486 INFO L93 Difference]: Finished difference Result 45 states and 65 transitions. [2020-07-28 18:58:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2020-07-28 18:58:15,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:15,487 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:15,487 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:15,487 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:15,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,490 INFO L93 Difference]: Finished difference Result 45 states and 65 transitions. [2020-07-28 18:58:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2020-07-28 18:58:15,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:15,491 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:15,491 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:15,491 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-07-28 18:58:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 65 transitions. [2020-07-28 18:58:15,494 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 65 transitions. Word has length 17 [2020-07-28 18:58:15,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:15,494 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 65 transitions. [2020-07-28 18:58:15,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2020-07-28 18:58:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:15,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:15,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:15,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:15,496 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:15,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:15,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1939738244, now seen corresponding path program 1 times [2020-07-28 18:58:15,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:15,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062250920] [2020-07-28 18:58:15,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:15,624 INFO L280 TraceCheckUtils]: 0: Hoare triple {1084#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1084#true} is VALID [2020-07-28 18:58:15,624 INFO L280 TraceCheckUtils]: 1: Hoare triple {1084#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1084#true} is VALID [2020-07-28 18:58:15,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {1084#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {1086#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:58:15,626 INFO L280 TraceCheckUtils]: 3: Hoare triple {1086#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1087#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 18:58:15,627 INFO L280 TraceCheckUtils]: 4: Hoare triple {1087#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {1084#true} is VALID [2020-07-28 18:58:15,627 INFO L280 TraceCheckUtils]: 5: Hoare triple {1084#true} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1084#true} is VALID [2020-07-28 18:58:15,627 INFO L280 TraceCheckUtils]: 6: Hoare triple {1084#true} assume !false; {1084#true} is VALID [2020-07-28 18:58:15,628 INFO L280 TraceCheckUtils]: 7: Hoare triple {1084#true} assume test_~splverifierCounter~0 < 4; {1084#true} is VALID [2020-07-28 18:58:15,628 INFO L280 TraceCheckUtils]: 8: Hoare triple {1084#true} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; {1084#true} is VALID [2020-07-28 18:58:15,629 INFO L280 TraceCheckUtils]: 9: Hoare triple {1084#true} assume !(0 != test_~tmp~8); {1084#true} is VALID [2020-07-28 18:58:15,629 INFO L280 TraceCheckUtils]: 10: Hoare triple {1084#true} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; {1084#true} is VALID [2020-07-28 18:58:15,630 INFO L280 TraceCheckUtils]: 11: Hoare triple {1084#true} assume !(0 != test_~tmp___0~2); {1084#true} is VALID [2020-07-28 18:58:15,630 INFO L280 TraceCheckUtils]: 12: Hoare triple {1084#true} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; {1084#true} is VALID [2020-07-28 18:58:15,631 INFO L280 TraceCheckUtils]: 13: Hoare triple {1084#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1088#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:15,633 INFO L280 TraceCheckUtils]: 14: Hoare triple {1088#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1088#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:15,633 INFO L280 TraceCheckUtils]: 15: Hoare triple {1088#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1085#false} is VALID [2020-07-28 18:58:15,634 INFO L280 TraceCheckUtils]: 16: Hoare triple {1085#false} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1085#false} is VALID [2020-07-28 18:58:15,634 INFO L280 TraceCheckUtils]: 17: Hoare triple {1085#false} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {1085#false} is VALID [2020-07-28 18:58:15,634 INFO L280 TraceCheckUtils]: 18: Hoare triple {1085#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1085#false} is VALID [2020-07-28 18:58:15,634 INFO L280 TraceCheckUtils]: 19: Hoare triple {1085#false} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {1085#false} is VALID [2020-07-28 18:58:15,635 INFO L280 TraceCheckUtils]: 20: Hoare triple {1085#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1085#false} is VALID [2020-07-28 18:58:15,635 INFO L280 TraceCheckUtils]: 21: Hoare triple {1085#false} assume !false; {1085#false} is VALID [2020-07-28 18:58:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:15,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062250920] [2020-07-28 18:58:15,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:15,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:15,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40870386] [2020-07-28 18:58:15,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:58:15,638 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:15,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:15,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:15,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:15,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:15,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:15,689 INFO L87 Difference]: Start difference. First operand 45 states and 65 transitions. Second operand 5 states. [2020-07-28 18:58:16,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,080 INFO L93 Difference]: Finished difference Result 84 states and 124 transitions. [2020-07-28 18:58:16,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:58:16,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:58:16,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2020-07-28 18:58:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2020-07-28 18:58:16,085 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 124 transitions. [2020-07-28 18:58:16,210 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,212 INFO L225 Difference]: With dead ends: 84 [2020-07-28 18:58:16,212 INFO L226 Difference]: Without dead ends: 45 [2020-07-28 18:58:16,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:16,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-28 18:58:16,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-07-28 18:58:16,247 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:16,247 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:16,247 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:16,247 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:16,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,250 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-07-28 18:58:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 18:58:16,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,250 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,251 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:16,251 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 18:58:16,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,253 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-07-28 18:58:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 18:58:16,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,254 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,255 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:16,255 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:16,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-07-28 18:58:16,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-07-28 18:58:16,257 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 22 [2020-07-28 18:58:16,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:16,258 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-07-28 18:58:16,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 18:58:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:16,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:16,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:16,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:16,259 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:16,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:16,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1547834963, now seen corresponding path program 1 times [2020-07-28 18:58:16,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:16,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5666232] [2020-07-28 18:58:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:16,364 INFO L280 TraceCheckUtils]: 0: Hoare triple {1363#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,365 INFO L280 TraceCheckUtils]: 1: Hoare triple {1365#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,366 INFO L280 TraceCheckUtils]: 2: Hoare triple {1365#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,367 INFO L280 TraceCheckUtils]: 3: Hoare triple {1365#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,367 INFO L280 TraceCheckUtils]: 4: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,368 INFO L280 TraceCheckUtils]: 5: Hoare triple {1365#(= 0 ~pumpRunning~0)} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,371 INFO L280 TraceCheckUtils]: 6: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume !false; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,371 INFO L280 TraceCheckUtils]: 7: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,372 INFO L280 TraceCheckUtils]: 8: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,373 INFO L280 TraceCheckUtils]: 9: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~8); {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,374 INFO L280 TraceCheckUtils]: 10: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,374 INFO L280 TraceCheckUtils]: 11: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,376 INFO L280 TraceCheckUtils]: 12: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,377 INFO L280 TraceCheckUtils]: 13: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,378 INFO L280 TraceCheckUtils]: 14: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,379 INFO L280 TraceCheckUtils]: 15: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,380 INFO L280 TraceCheckUtils]: 16: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {1365#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:16,381 INFO L280 TraceCheckUtils]: 17: Hoare triple {1365#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1364#false} is VALID [2020-07-28 18:58:16,382 INFO L280 TraceCheckUtils]: 18: Hoare triple {1364#false} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1364#false} is VALID [2020-07-28 18:58:16,382 INFO L280 TraceCheckUtils]: 19: Hoare triple {1364#false} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {1364#false} is VALID [2020-07-28 18:58:16,382 INFO L280 TraceCheckUtils]: 20: Hoare triple {1364#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1364#false} is VALID [2020-07-28 18:58:16,383 INFO L280 TraceCheckUtils]: 21: Hoare triple {1364#false} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {1364#false} is VALID [2020-07-28 18:58:16,383 INFO L280 TraceCheckUtils]: 22: Hoare triple {1364#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1364#false} is VALID [2020-07-28 18:58:16,384 INFO L280 TraceCheckUtils]: 23: Hoare triple {1364#false} assume !false; {1364#false} is VALID [2020-07-28 18:58:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:16,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5666232] [2020-07-28 18:58:16,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:16,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:16,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351490403] [2020-07-28 18:58:16,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:16,387 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:16,387 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:16,424 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:16,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:16,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:16,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:16,426 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-07-28 18:58:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,639 INFO L93 Difference]: Finished difference Result 105 states and 152 transitions. [2020-07-28 18:58:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:16,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:16,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 152 transitions. [2020-07-28 18:58:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 152 transitions. [2020-07-28 18:58:16,647 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 152 transitions. [2020-07-28 18:58:16,821 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,824 INFO L225 Difference]: With dead ends: 105 [2020-07-28 18:58:16,824 INFO L226 Difference]: Without dead ends: 66 [2020-07-28 18:58:16,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:16,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-28 18:58:16,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-07-28 18:58:16,898 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:16,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 64 states. [2020-07-28 18:58:16,898 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 64 states. [2020-07-28 18:58:16,898 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 64 states. [2020-07-28 18:58:16,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,901 INFO L93 Difference]: Finished difference Result 66 states and 91 transitions. [2020-07-28 18:58:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2020-07-28 18:58:16,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,902 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 66 states. [2020-07-28 18:58:16,903 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 66 states. [2020-07-28 18:58:16,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,905 INFO L93 Difference]: Finished difference Result 66 states and 91 transitions. [2020-07-28 18:58:16,905 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2020-07-28 18:58:16,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,906 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:16,906 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-28 18:58:16,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 90 transitions. [2020-07-28 18:58:16,909 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 90 transitions. Word has length 24 [2020-07-28 18:58:16,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:16,909 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 90 transitions. [2020-07-28 18:58:16,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2020-07-28 18:58:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:16,915 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:16,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:16,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:16,916 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:16,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:16,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1827782978, now seen corresponding path program 1 times [2020-07-28 18:58:16,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:16,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360787743] [2020-07-28 18:58:16,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:17,029 INFO L280 TraceCheckUtils]: 0: Hoare triple {1733#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1733#true} is VALID [2020-07-28 18:58:17,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {1733#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1733#true} is VALID [2020-07-28 18:58:17,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {1733#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {1733#true} is VALID [2020-07-28 18:58:17,030 INFO L280 TraceCheckUtils]: 3: Hoare triple {1733#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1733#true} is VALID [2020-07-28 18:58:17,030 INFO L280 TraceCheckUtils]: 4: Hoare triple {1733#true} assume 0 != main_~tmp~0; {1733#true} is VALID [2020-07-28 18:58:17,031 INFO L280 TraceCheckUtils]: 5: Hoare triple {1733#true} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1733#true} is VALID [2020-07-28 18:58:17,031 INFO L280 TraceCheckUtils]: 6: Hoare triple {1733#true} assume !false; {1733#true} is VALID [2020-07-28 18:58:17,031 INFO L280 TraceCheckUtils]: 7: Hoare triple {1733#true} assume test_~splverifierCounter~0 < 4; {1733#true} is VALID [2020-07-28 18:58:17,031 INFO L280 TraceCheckUtils]: 8: Hoare triple {1733#true} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; {1733#true} is VALID [2020-07-28 18:58:17,032 INFO L280 TraceCheckUtils]: 9: Hoare triple {1733#true} assume !(0 != test_~tmp~8); {1733#true} is VALID [2020-07-28 18:58:17,032 INFO L280 TraceCheckUtils]: 10: Hoare triple {1733#true} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; {1733#true} is VALID [2020-07-28 18:58:17,032 INFO L280 TraceCheckUtils]: 11: Hoare triple {1733#true} assume !(0 != test_~tmp___0~2); {1733#true} is VALID [2020-07-28 18:58:17,032 INFO L280 TraceCheckUtils]: 12: Hoare triple {1733#true} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; {1733#true} is VALID [2020-07-28 18:58:17,033 INFO L280 TraceCheckUtils]: 13: Hoare triple {1733#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1733#true} is VALID [2020-07-28 18:58:17,033 INFO L280 TraceCheckUtils]: 14: Hoare triple {1733#true} assume !(0 != ~pumpRunning~0); {1733#true} is VALID [2020-07-28 18:58:17,033 INFO L280 TraceCheckUtils]: 15: Hoare triple {1733#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1733#true} is VALID [2020-07-28 18:58:17,034 INFO L280 TraceCheckUtils]: 16: Hoare triple {1733#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {1733#true} is VALID [2020-07-28 18:58:17,034 INFO L280 TraceCheckUtils]: 17: Hoare triple {1733#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {1733#true} is VALID [2020-07-28 18:58:17,034 INFO L280 TraceCheckUtils]: 18: Hoare triple {1733#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {1733#true} is VALID [2020-07-28 18:58:17,034 INFO L280 TraceCheckUtils]: 19: Hoare triple {1733#true} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {1733#true} is VALID [2020-07-28 18:58:17,035 INFO L280 TraceCheckUtils]: 20: Hoare triple {1733#true} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; {1735#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:58:17,036 INFO L280 TraceCheckUtils]: 21: Hoare triple {1735#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; {1736#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:17,037 INFO L280 TraceCheckUtils]: 22: Hoare triple {1736#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret39 && processEnvironment__wrappee__highWaterSensor_#t~ret39 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; {1737#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} is VALID [2020-07-28 18:58:17,038 INFO L280 TraceCheckUtils]: 23: Hoare triple {1737#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {1734#false} is VALID [2020-07-28 18:58:17,038 INFO L280 TraceCheckUtils]: 24: Hoare triple {1734#false} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1734#false} is VALID [2020-07-28 18:58:17,038 INFO L280 TraceCheckUtils]: 25: Hoare triple {1734#false} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {1734#false} is VALID [2020-07-28 18:58:17,038 INFO L280 TraceCheckUtils]: 26: Hoare triple {1734#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1734#false} is VALID [2020-07-28 18:58:17,039 INFO L280 TraceCheckUtils]: 27: Hoare triple {1734#false} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {1734#false} is VALID [2020-07-28 18:58:17,039 INFO L280 TraceCheckUtils]: 28: Hoare triple {1734#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1734#false} is VALID [2020-07-28 18:58:17,039 INFO L280 TraceCheckUtils]: 29: Hoare triple {1734#false} assume !false; {1734#false} is VALID [2020-07-28 18:58:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:17,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360787743] [2020-07-28 18:58:17,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:17,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:17,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400010943] [2020-07-28 18:58:17,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:17,042 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:17,042 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:17,085 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:17,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:17,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:17,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:17,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:17,086 INFO L87 Difference]: Start difference. First operand 64 states and 90 transitions. Second operand 5 states. [2020-07-28 18:58:17,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,847 INFO L93 Difference]: Finished difference Result 171 states and 239 transitions. [2020-07-28 18:58:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:17,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:17,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 185 transitions. [2020-07-28 18:58:17,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:17,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 185 transitions. [2020-07-28 18:58:17,853 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 185 transitions. [2020-07-28 18:58:18,068 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 185 edges. 185 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:18,071 INFO L225 Difference]: With dead ends: 171 [2020-07-28 18:58:18,072 INFO L226 Difference]: Without dead ends: 113 [2020-07-28 18:58:18,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:18,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-07-28 18:58:18,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 70. [2020-07-28 18:58:18,165 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:18,165 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand 70 states. [2020-07-28 18:58:18,166 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 70 states. [2020-07-28 18:58:18,166 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 70 states. [2020-07-28 18:58:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,170 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2020-07-28 18:58:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-07-28 18:58:18,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,171 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 113 states. [2020-07-28 18:58:18,171 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 113 states. [2020-07-28 18:58:18,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,176 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2020-07-28 18:58:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-07-28 18:58:18,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,177 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:18,177 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-28 18:58:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2020-07-28 18:58:18,179 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 30 [2020-07-28 18:58:18,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:18,180 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2020-07-28 18:58:18,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2020-07-28 18:58:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:18,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:18,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:18,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:18,181 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:18,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:18,182 INFO L82 PathProgramCache]: Analyzing trace with hash 834728065, now seen corresponding path program 1 times [2020-07-28 18:58:18,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:18,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856872236] [2020-07-28 18:58:18,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:18,262 INFO L280 TraceCheckUtils]: 0: Hoare triple {2305#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,263 INFO L280 TraceCheckUtils]: 1: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,267 INFO L280 TraceCheckUtils]: 2: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,270 INFO L280 TraceCheckUtils]: 3: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,270 INFO L280 TraceCheckUtils]: 4: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~0; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,271 INFO L280 TraceCheckUtils]: 5: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,272 INFO L280 TraceCheckUtils]: 6: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume !false; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,272 INFO L280 TraceCheckUtils]: 7: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,273 INFO L280 TraceCheckUtils]: 8: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,274 INFO L280 TraceCheckUtils]: 9: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~8); {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,274 INFO L280 TraceCheckUtils]: 10: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,275 INFO L280 TraceCheckUtils]: 11: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~2); {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,279 INFO L280 TraceCheckUtils]: 12: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,280 INFO L280 TraceCheckUtils]: 13: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,280 INFO L280 TraceCheckUtils]: 14: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,281 INFO L280 TraceCheckUtils]: 15: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,282 INFO L280 TraceCheckUtils]: 16: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,283 INFO L280 TraceCheckUtils]: 17: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,283 INFO L280 TraceCheckUtils]: 18: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,284 INFO L280 TraceCheckUtils]: 19: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,285 INFO L280 TraceCheckUtils]: 20: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,286 INFO L280 TraceCheckUtils]: 21: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,287 INFO L280 TraceCheckUtils]: 22: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret39 && processEnvironment__wrappee__highWaterSensor_#t~ret39 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,287 INFO L280 TraceCheckUtils]: 23: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {2307#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,288 INFO L280 TraceCheckUtils]: 24: Hoare triple {2307#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {2308#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:18,289 INFO L280 TraceCheckUtils]: 25: Hoare triple {2308#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {2309#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)} is VALID [2020-07-28 18:58:18,290 INFO L280 TraceCheckUtils]: 26: Hoare triple {2309#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {2306#false} is VALID [2020-07-28 18:58:18,290 INFO L280 TraceCheckUtils]: 27: Hoare triple {2306#false} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {2306#false} is VALID [2020-07-28 18:58:18,290 INFO L280 TraceCheckUtils]: 28: Hoare triple {2306#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {2306#false} is VALID [2020-07-28 18:58:18,291 INFO L280 TraceCheckUtils]: 29: Hoare triple {2306#false} assume !false; {2306#false} is VALID [2020-07-28 18:58:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:18,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856872236] [2020-07-28 18:58:18,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:18,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:18,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579624709] [2020-07-28 18:58:18,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:18,294 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:18,294 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:18,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:18,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:18,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:18,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:18,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:18,337 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand 5 states. [2020-07-28 18:58:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:19,372 INFO L93 Difference]: Finished difference Result 344 states and 483 transitions. [2020-07-28 18:58:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:19,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:19,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 320 transitions. [2020-07-28 18:58:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 320 transitions. [2020-07-28 18:58:19,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 320 transitions. [2020-07-28 18:58:19,760 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 320 edges. 320 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:19,769 INFO L225 Difference]: With dead ends: 344 [2020-07-28 18:58:19,769 INFO L226 Difference]: Without dead ends: 280 [2020-07-28 18:58:19,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:19,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-07-28 18:58:19,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 128. [2020-07-28 18:58:19,994 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:19,994 INFO L82 GeneralOperation]: Start isEquivalent. First operand 280 states. Second operand 128 states. [2020-07-28 18:58:19,994 INFO L74 IsIncluded]: Start isIncluded. First operand 280 states. Second operand 128 states. [2020-07-28 18:58:19,994 INFO L87 Difference]: Start difference. First operand 280 states. Second operand 128 states. [2020-07-28 18:58:20,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:20,006 INFO L93 Difference]: Finished difference Result 280 states and 388 transitions. [2020-07-28 18:58:20,006 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 388 transitions. [2020-07-28 18:58:20,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:20,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:20,007 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 280 states. [2020-07-28 18:58:20,007 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 280 states. [2020-07-28 18:58:20,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:20,018 INFO L93 Difference]: Finished difference Result 280 states and 388 transitions. [2020-07-28 18:58:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 388 transitions. [2020-07-28 18:58:20,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:20,019 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:20,019 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:20,019 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-28 18:58:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 175 transitions. [2020-07-28 18:58:20,024 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 175 transitions. Word has length 30 [2020-07-28 18:58:20,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:20,024 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 175 transitions. [2020-07-28 18:58:20,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:20,024 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2020-07-28 18:58:20,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:20,028 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:20,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:20,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:20,029 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:20,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:20,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1506496567, now seen corresponding path program 1 times [2020-07-28 18:58:20,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:20,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410783582] [2020-07-28 18:58:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:20,142 INFO L280 TraceCheckUtils]: 0: Hoare triple {3536#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,142 INFO L280 TraceCheckUtils]: 1: Hoare triple {3538#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,143 INFO L280 TraceCheckUtils]: 2: Hoare triple {3538#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,144 INFO L280 TraceCheckUtils]: 3: Hoare triple {3538#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,144 INFO L280 TraceCheckUtils]: 4: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,145 INFO L280 TraceCheckUtils]: 5: Hoare triple {3538#(= 0 ~pumpRunning~0)} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,146 INFO L280 TraceCheckUtils]: 6: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume !false; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,147 INFO L280 TraceCheckUtils]: 7: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,148 INFO L280 TraceCheckUtils]: 8: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,148 INFO L280 TraceCheckUtils]: 9: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~8); {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,149 INFO L280 TraceCheckUtils]: 10: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,149 INFO L280 TraceCheckUtils]: 11: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~2; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,150 INFO L280 TraceCheckUtils]: 12: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,150 INFO L280 TraceCheckUtils]: 13: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,151 INFO L280 TraceCheckUtils]: 14: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,152 INFO L280 TraceCheckUtils]: 15: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,152 INFO L280 TraceCheckUtils]: 16: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,153 INFO L280 TraceCheckUtils]: 17: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,153 INFO L280 TraceCheckUtils]: 18: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,154 INFO L280 TraceCheckUtils]: 19: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,154 INFO L280 TraceCheckUtils]: 20: Hoare triple {3538#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,155 INFO L280 TraceCheckUtils]: 21: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,155 INFO L280 TraceCheckUtils]: 22: Hoare triple {3538#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,156 INFO L280 TraceCheckUtils]: 23: Hoare triple {3538#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret39 && processEnvironment__wrappee__highWaterSensor_#t~ret39 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,157 INFO L280 TraceCheckUtils]: 24: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,157 INFO L280 TraceCheckUtils]: 25: Hoare triple {3538#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,158 INFO L280 TraceCheckUtils]: 26: Hoare triple {3538#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {3538#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,159 INFO L280 TraceCheckUtils]: 27: Hoare triple {3538#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {3539#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:20,160 INFO L280 TraceCheckUtils]: 28: Hoare triple {3539#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {3540#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:58:20,161 INFO L280 TraceCheckUtils]: 29: Hoare triple {3540#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {3537#false} is VALID [2020-07-28 18:58:20,161 INFO L280 TraceCheckUtils]: 30: Hoare triple {3537#false} assume !false; {3537#false} is VALID [2020-07-28 18:58:20,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:20,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410783582] [2020-07-28 18:58:20,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:20,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:20,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683472113] [2020-07-28 18:58:20,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:20,166 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:20,167 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:20,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:20,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:20,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:20,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:20,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:20,216 INFO L87 Difference]: Start difference. First operand 128 states and 175 transitions. Second operand 5 states. [2020-07-28 18:58:21,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:21,539 INFO L93 Difference]: Finished difference Result 366 states and 502 transitions. [2020-07-28 18:58:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:21,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:21,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:21,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:21,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 253 transitions. [2020-07-28 18:58:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 253 transitions. [2020-07-28 18:58:21,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 253 transitions. [2020-07-28 18:58:21,853 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 253 edges. 253 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:21,866 INFO L225 Difference]: With dead ends: 366 [2020-07-28 18:58:21,866 INFO L226 Difference]: Without dead ends: 364 [2020-07-28 18:58:21,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-28 18:58:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2020-07-28 18:58:22,087 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:22,088 INFO L82 GeneralOperation]: Start isEquivalent. First operand 364 states. Second operand 128 states. [2020-07-28 18:58:22,088 INFO L74 IsIncluded]: Start isIncluded. First operand 364 states. Second operand 128 states. [2020-07-28 18:58:22,088 INFO L87 Difference]: Start difference. First operand 364 states. Second operand 128 states. [2020-07-28 18:58:22,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:22,101 INFO L93 Difference]: Finished difference Result 364 states and 500 transitions. [2020-07-28 18:58:22,102 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 500 transitions. [2020-07-28 18:58:22,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:22,103 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:22,103 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 364 states. [2020-07-28 18:58:22,103 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 364 states. [2020-07-28 18:58:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:22,117 INFO L93 Difference]: Finished difference Result 364 states and 500 transitions. [2020-07-28 18:58:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 500 transitions. [2020-07-28 18:58:22,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:22,118 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:22,118 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:22,119 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-28 18:58:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 174 transitions. [2020-07-28 18:58:22,122 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 174 transitions. Word has length 31 [2020-07-28 18:58:22,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:22,123 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 174 transitions. [2020-07-28 18:58:22,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:22,123 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2020-07-28 18:58:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:22,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:22,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:22,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:22,124 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:22,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1549041486, now seen corresponding path program 1 times [2020-07-28 18:58:22,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:22,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033723415] [2020-07-28 18:58:22,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:22,177 INFO L280 TraceCheckUtils]: 0: Hoare triple {4963#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {4963#true} is VALID [2020-07-28 18:58:22,178 INFO L280 TraceCheckUtils]: 1: Hoare triple {4963#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {4963#true} is VALID [2020-07-28 18:58:22,178 INFO L280 TraceCheckUtils]: 2: Hoare triple {4963#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {4963#true} is VALID [2020-07-28 18:58:22,178 INFO L280 TraceCheckUtils]: 3: Hoare triple {4963#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {4963#true} is VALID [2020-07-28 18:58:22,178 INFO L280 TraceCheckUtils]: 4: Hoare triple {4963#true} assume 0 != main_~tmp~0; {4963#true} is VALID [2020-07-28 18:58:22,178 INFO L280 TraceCheckUtils]: 5: Hoare triple {4963#true} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4963#true} is VALID [2020-07-28 18:58:22,179 INFO L280 TraceCheckUtils]: 6: Hoare triple {4963#true} assume !false; {4963#true} is VALID [2020-07-28 18:58:22,179 INFO L280 TraceCheckUtils]: 7: Hoare triple {4963#true} assume test_~splverifierCounter~0 < 4; {4963#true} is VALID [2020-07-28 18:58:22,179 INFO L280 TraceCheckUtils]: 8: Hoare triple {4963#true} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; {4963#true} is VALID [2020-07-28 18:58:22,180 INFO L280 TraceCheckUtils]: 9: Hoare triple {4963#true} assume !(0 != test_~tmp~8); {4963#true} is VALID [2020-07-28 18:58:22,180 INFO L280 TraceCheckUtils]: 10: Hoare triple {4963#true} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; {4963#true} is VALID [2020-07-28 18:58:22,180 INFO L280 TraceCheckUtils]: 11: Hoare triple {4963#true} assume 0 != test_~tmp___0~2; {4963#true} is VALID [2020-07-28 18:58:22,180 INFO L280 TraceCheckUtils]: 12: Hoare triple {4963#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4963#true} is VALID [2020-07-28 18:58:22,181 INFO L280 TraceCheckUtils]: 13: Hoare triple {4963#true} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; {4963#true} is VALID [2020-07-28 18:58:22,181 INFO L280 TraceCheckUtils]: 14: Hoare triple {4963#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4963#true} is VALID [2020-07-28 18:58:22,181 INFO L280 TraceCheckUtils]: 15: Hoare triple {4963#true} assume !(0 != ~pumpRunning~0); {4963#true} is VALID [2020-07-28 18:58:22,181 INFO L280 TraceCheckUtils]: 16: Hoare triple {4963#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {4963#true} is VALID [2020-07-28 18:58:22,182 INFO L280 TraceCheckUtils]: 17: Hoare triple {4963#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {4963#true} is VALID [2020-07-28 18:58:22,182 INFO L280 TraceCheckUtils]: 18: Hoare triple {4963#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {4963#true} is VALID [2020-07-28 18:58:22,184 INFO L280 TraceCheckUtils]: 19: Hoare triple {4963#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {4965#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 18:58:22,185 INFO L280 TraceCheckUtils]: 20: Hoare triple {4965#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {4966#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~7)} is VALID [2020-07-28 18:58:22,186 INFO L280 TraceCheckUtils]: 21: Hoare triple {4966#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~7)} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {4964#false} is VALID [2020-07-28 18:58:22,186 INFO L280 TraceCheckUtils]: 22: Hoare triple {4964#false} isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; {4964#false} is VALID [2020-07-28 18:58:22,186 INFO L280 TraceCheckUtils]: 23: Hoare triple {4964#false} processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret39 && processEnvironment__wrappee__highWaterSensor_#t~ret39 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; {4964#false} is VALID [2020-07-28 18:58:22,186 INFO L280 TraceCheckUtils]: 24: Hoare triple {4964#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {4964#false} is VALID [2020-07-28 18:58:22,187 INFO L280 TraceCheckUtils]: 25: Hoare triple {4964#false} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {4964#false} is VALID [2020-07-28 18:58:22,187 INFO L280 TraceCheckUtils]: 26: Hoare triple {4964#false} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {4964#false} is VALID [2020-07-28 18:58:22,187 INFO L280 TraceCheckUtils]: 27: Hoare triple {4964#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {4964#false} is VALID [2020-07-28 18:58:22,188 INFO L280 TraceCheckUtils]: 28: Hoare triple {4964#false} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {4964#false} is VALID [2020-07-28 18:58:22,188 INFO L280 TraceCheckUtils]: 29: Hoare triple {4964#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {4964#false} is VALID [2020-07-28 18:58:22,188 INFO L280 TraceCheckUtils]: 30: Hoare triple {4964#false} assume !false; {4964#false} is VALID [2020-07-28 18:58:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:22,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033723415] [2020-07-28 18:58:22,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:22,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:22,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513442661] [2020-07-28 18:58:22,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 18:58:22,191 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:22,191 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:58:22,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:22,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:58:22,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:22,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:58:22,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:58:22,229 INFO L87 Difference]: Start difference. First operand 128 states and 174 transitions. Second operand 4 states. [2020-07-28 18:58:23,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:23,142 INFO L93 Difference]: Finished difference Result 308 states and 416 transitions. [2020-07-28 18:58:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:58:23,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 18:58:23,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2020-07-28 18:58:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2020-07-28 18:58:23,145 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 159 transitions. [2020-07-28 18:58:23,319 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:23,323 INFO L225 Difference]: With dead ends: 308 [2020-07-28 18:58:23,324 INFO L226 Difference]: Without dead ends: 186 [2020-07-28 18:58:23,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:23,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-28 18:58:23,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 136. [2020-07-28 18:58:23,637 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:23,638 INFO L82 GeneralOperation]: Start isEquivalent. First operand 186 states. Second operand 136 states. [2020-07-28 18:58:23,638 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 136 states. [2020-07-28 18:58:23,638 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 136 states. [2020-07-28 18:58:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:23,643 INFO L93 Difference]: Finished difference Result 186 states and 244 transitions. [2020-07-28 18:58:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 244 transitions. [2020-07-28 18:58:23,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:23,644 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:23,644 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 186 states. [2020-07-28 18:58:23,644 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 186 states. [2020-07-28 18:58:23,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:23,649 INFO L93 Difference]: Finished difference Result 186 states and 244 transitions. [2020-07-28 18:58:23,649 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 244 transitions. [2020-07-28 18:58:23,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:23,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:23,650 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:23,650 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-28 18:58:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 182 transitions. [2020-07-28 18:58:23,653 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 182 transitions. Word has length 31 [2020-07-28 18:58:23,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:23,653 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 182 transitions. [2020-07-28 18:58:23,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:58:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 182 transitions. [2020-07-28 18:58:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:23,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:23,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:23,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:23,655 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:23,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:23,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1290876048, now seen corresponding path program 1 times [2020-07-28 18:58:23,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:23,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711105618] [2020-07-28 18:58:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:23,727 INFO L280 TraceCheckUtils]: 0: Hoare triple {5959#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,728 INFO L280 TraceCheckUtils]: 1: Hoare triple {5961#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,729 INFO L280 TraceCheckUtils]: 2: Hoare triple {5961#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,730 INFO L280 TraceCheckUtils]: 3: Hoare triple {5961#(= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,737 INFO L280 TraceCheckUtils]: 4: Hoare triple {5961#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,738 INFO L280 TraceCheckUtils]: 5: Hoare triple {5961#(= 1 ~waterLevel~0)} havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,738 INFO L280 TraceCheckUtils]: 6: Hoare triple {5961#(= 1 ~waterLevel~0)} assume !false; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,739 INFO L280 TraceCheckUtils]: 7: Hoare triple {5961#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,739 INFO L280 TraceCheckUtils]: 8: Hoare triple {5961#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,740 INFO L280 TraceCheckUtils]: 9: Hoare triple {5961#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~8); {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,741 INFO L280 TraceCheckUtils]: 10: Hoare triple {5961#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,741 INFO L280 TraceCheckUtils]: 11: Hoare triple {5961#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~2; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,742 INFO L280 TraceCheckUtils]: 12: Hoare triple {5961#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,742 INFO L280 TraceCheckUtils]: 13: Hoare triple {5961#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,743 INFO L280 TraceCheckUtils]: 14: Hoare triple {5961#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,743 INFO L280 TraceCheckUtils]: 15: Hoare triple {5961#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,744 INFO L280 TraceCheckUtils]: 16: Hoare triple {5961#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,745 INFO L280 TraceCheckUtils]: 17: Hoare triple {5961#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,747 INFO L280 TraceCheckUtils]: 18: Hoare triple {5961#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {5961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:23,748 INFO L280 TraceCheckUtils]: 19: Hoare triple {5961#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {5960#false} is VALID [2020-07-28 18:58:23,748 INFO L280 TraceCheckUtils]: 20: Hoare triple {5960#false} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {5960#false} is VALID [2020-07-28 18:58:23,748 INFO L280 TraceCheckUtils]: 21: Hoare triple {5960#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {5960#false} is VALID [2020-07-28 18:58:23,748 INFO L280 TraceCheckUtils]: 22: Hoare triple {5960#false} isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; {5960#false} is VALID [2020-07-28 18:58:23,749 INFO L280 TraceCheckUtils]: 23: Hoare triple {5960#false} processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret39 && processEnvironment__wrappee__highWaterSensor_#t~ret39 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; {5960#false} is VALID [2020-07-28 18:58:23,749 INFO L280 TraceCheckUtils]: 24: Hoare triple {5960#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {5960#false} is VALID [2020-07-28 18:58:23,749 INFO L280 TraceCheckUtils]: 25: Hoare triple {5960#false} havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {5960#false} is VALID [2020-07-28 18:58:23,749 INFO L280 TraceCheckUtils]: 26: Hoare triple {5960#false} __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret2 && __utac_acc__Specification1_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; {5960#false} is VALID [2020-07-28 18:58:23,749 INFO L280 TraceCheckUtils]: 27: Hoare triple {5960#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {5960#false} is VALID [2020-07-28 18:58:23,750 INFO L280 TraceCheckUtils]: 28: Hoare triple {5960#false} __utac_acc__Specification1_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret3 && __utac_acc__Specification1_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret3;havoc __utac_acc__Specification1_spec__1_#t~ret3; {5960#false} is VALID [2020-07-28 18:58:23,750 INFO L280 TraceCheckUtils]: 29: Hoare triple {5960#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {5960#false} is VALID [2020-07-28 18:58:23,750 INFO L280 TraceCheckUtils]: 30: Hoare triple {5960#false} assume !false; {5960#false} is VALID [2020-07-28 18:58:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:23,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711105618] [2020-07-28 18:58:23,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:23,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:23,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14009709] [2020-07-28 18:58:23,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:23,757 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:23,757 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:23,800 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:23,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:23,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:23,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:23,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:23,801 INFO L87 Difference]: Start difference. First operand 136 states and 182 transitions. Second operand 3 states. [2020-07-28 18:58:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:24,430 INFO L93 Difference]: Finished difference Result 316 states and 422 transitions. [2020-07-28 18:58:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:24,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2020-07-28 18:58:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:24,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2020-07-28 18:58:24,433 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 154 transitions. [2020-07-28 18:58:24,590 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:24,595 INFO L225 Difference]: With dead ends: 316 [2020-07-28 18:58:24,596 INFO L226 Difference]: Without dead ends: 186 [2020-07-28 18:58:24,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:24,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-28 18:58:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-07-28 18:58:24,985 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:24,985 INFO L82 GeneralOperation]: Start isEquivalent. First operand 186 states. Second operand 186 states. [2020-07-28 18:58:24,985 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 186 states. [2020-07-28 18:58:24,986 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 186 states. [2020-07-28 18:58:24,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:24,990 INFO L93 Difference]: Finished difference Result 186 states and 242 transitions. [2020-07-28 18:58:24,990 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2020-07-28 18:58:24,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:24,991 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:24,991 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 186 states. [2020-07-28 18:58:24,991 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 186 states. [2020-07-28 18:58:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:24,995 INFO L93 Difference]: Finished difference Result 186 states and 242 transitions. [2020-07-28 18:58:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2020-07-28 18:58:24,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:24,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:24,996 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:24,997 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-07-28 18:58:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2020-07-28 18:58:25,003 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 31 [2020-07-28 18:58:25,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:25,003 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2020-07-28 18:58:25,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:25,004 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2020-07-28 18:58:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:25,007 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:25,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:25,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:25,008 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:25,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:25,009 INFO L82 PathProgramCache]: Analyzing trace with hash 891331378, now seen corresponding path program 1 times [2020-07-28 18:58:25,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:25,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673658617] [2020-07-28 18:58:25,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:25,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:25,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:25,216 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:25,217 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:25,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:25,415 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:25,416 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:25,416 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 18:58:25,416 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-28 18:58:25,416 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:58:25,416 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:58:25,417 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:58:25,417 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:58:25,417 WARN L170 areAnnotationChecker]: L190-1 has no Hoare annotation [2020-07-28 18:58:25,417 WARN L170 areAnnotationChecker]: L190-1 has no Hoare annotation [2020-07-28 18:58:25,417 WARN L170 areAnnotationChecker]: L190-1 has no Hoare annotation [2020-07-28 18:58:25,417 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 18:58:25,418 WARN L170 areAnnotationChecker]: L824 has no Hoare annotation [2020-07-28 18:58:25,418 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2020-07-28 18:58:25,418 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2020-07-28 18:58:25,418 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:25,418 WARN L170 areAnnotationChecker]: L587-1 has no Hoare annotation [2020-07-28 18:58:25,418 WARN L170 areAnnotationChecker]: L587-1 has no Hoare annotation [2020-07-28 18:58:25,419 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-28 18:58:25,419 WARN L170 areAnnotationChecker]: L849-3 has no Hoare annotation [2020-07-28 18:58:25,419 WARN L170 areAnnotationChecker]: L849-3 has no Hoare annotation [2020-07-28 18:58:25,419 WARN L170 areAnnotationChecker]: L587-2 has no Hoare annotation [2020-07-28 18:58:25,419 WARN L170 areAnnotationChecker]: L587-2 has no Hoare annotation [2020-07-28 18:58:25,419 WARN L170 areAnnotationChecker]: L786 has no Hoare annotation [2020-07-28 18:58:25,420 WARN L170 areAnnotationChecker]: L786 has no Hoare annotation [2020-07-28 18:58:25,420 WARN L170 areAnnotationChecker]: L645-1 has no Hoare annotation [2020-07-28 18:58:25,420 WARN L170 areAnnotationChecker]: L645-1 has no Hoare annotation [2020-07-28 18:58:25,420 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-28 18:58:25,420 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 18:58:25,421 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 18:58:25,421 WARN L170 areAnnotationChecker]: L786-1 has no Hoare annotation [2020-07-28 18:58:25,421 WARN L170 areAnnotationChecker]: L886-2 has no Hoare annotation [2020-07-28 18:58:25,421 WARN L170 areAnnotationChecker]: L619-3 has no Hoare annotation [2020-07-28 18:58:25,421 WARN L170 areAnnotationChecker]: L619-3 has no Hoare annotation [2020-07-28 18:58:25,422 WARN L170 areAnnotationChecker]: L886-3 has no Hoare annotation [2020-07-28 18:58:25,422 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:58:25,422 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:58:25,422 WARN L170 areAnnotationChecker]: L689-1 has no Hoare annotation [2020-07-28 18:58:25,422 WARN L170 areAnnotationChecker]: L926-3 has no Hoare annotation [2020-07-28 18:58:25,422 WARN L170 areAnnotationChecker]: L926-3 has no Hoare annotation [2020-07-28 18:58:25,423 WARN L170 areAnnotationChecker]: L190-2 has no Hoare annotation [2020-07-28 18:58:25,423 WARN L170 areAnnotationChecker]: L190-2 has no Hoare annotation [2020-07-28 18:58:25,423 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2020-07-28 18:58:25,423 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2020-07-28 18:58:25,423 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-28 18:58:25,424 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2020-07-28 18:58:25,424 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2020-07-28 18:58:25,424 WARN L170 areAnnotationChecker]: L931-3 has no Hoare annotation [2020-07-28 18:58:25,424 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-28 18:58:25,425 WARN L170 areAnnotationChecker]: L190-3 has no Hoare annotation [2020-07-28 18:58:25,425 WARN L170 areAnnotationChecker]: L806 has no Hoare annotation [2020-07-28 18:58:25,425 WARN L170 areAnnotationChecker]: L806 has no Hoare annotation [2020-07-28 18:58:25,426 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:58:25,426 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:58:25,426 WARN L170 areAnnotationChecker]: L747-9 has no Hoare annotation [2020-07-28 18:58:25,426 WARN L170 areAnnotationChecker]: L747-9 has no Hoare annotation [2020-07-28 18:58:25,426 WARN L170 areAnnotationChecker]: L194-2 has no Hoare annotation [2020-07-28 18:58:25,426 WARN L170 areAnnotationChecker]: L194-2 has no Hoare annotation [2020-07-28 18:58:25,427 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 18:58:25,427 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 18:58:25,427 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 18:58:25,427 WARN L170 areAnnotationChecker]: L814-2 has no Hoare annotation [2020-07-28 18:58:25,427 WARN L170 areAnnotationChecker]: L814-2 has no Hoare annotation [2020-07-28 18:58:25,427 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-28 18:58:25,428 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-28 18:58:25,428 WARN L170 areAnnotationChecker]: L926-2 has no Hoare annotation [2020-07-28 18:58:25,428 WARN L170 areAnnotationChecker]: L926-2 has no Hoare annotation [2020-07-28 18:58:25,428 WARN L170 areAnnotationChecker]: L747-11 has no Hoare annotation [2020-07-28 18:58:25,428 WARN L170 areAnnotationChecker]: L837-1 has no Hoare annotation [2020-07-28 18:58:25,428 WARN L170 areAnnotationChecker]: L837-1 has no Hoare annotation [2020-07-28 18:58:25,429 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:58:25,429 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 18:58:25,429 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 18:58:25,429 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 18:58:25,429 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 18:58:25,429 WARN L170 areAnnotationChecker]: L931-2 has no Hoare annotation [2020-07-28 18:58:25,430 WARN L170 areAnnotationChecker]: L753-3 has no Hoare annotation [2020-07-28 18:58:25,430 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:25,430 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:25,430 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-28 18:58:25,430 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-28 18:58:25,430 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-28 18:58:25,430 WARN L170 areAnnotationChecker]: L747-6 has no Hoare annotation [2020-07-28 18:58:25,431 WARN L170 areAnnotationChecker]: L747-6 has no Hoare annotation [2020-07-28 18:58:25,431 WARN L170 areAnnotationChecker]: L623-3 has no Hoare annotation [2020-07-28 18:58:25,431 WARN L170 areAnnotationChecker]: L623-3 has no Hoare annotation [2020-07-28 18:58:25,431 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:58:25,431 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:58:25,431 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-28 18:58:25,432 WARN L170 areAnnotationChecker]: L619-1 has no Hoare annotation [2020-07-28 18:58:25,432 WARN L170 areAnnotationChecker]: L619-1 has no Hoare annotation [2020-07-28 18:58:25,432 WARN L170 areAnnotationChecker]: L886-1 has no Hoare annotation [2020-07-28 18:58:25,432 WARN L170 areAnnotationChecker]: L747-8 has no Hoare annotation [2020-07-28 18:58:25,432 WARN L170 areAnnotationChecker]: L849-6 has no Hoare annotation [2020-07-28 18:58:25,432 WARN L170 areAnnotationChecker]: L849-6 has no Hoare annotation [2020-07-28 18:58:25,433 WARN L170 areAnnotationChecker]: L587-3 has no Hoare annotation [2020-07-28 18:58:25,433 WARN L170 areAnnotationChecker]: L587-3 has no Hoare annotation [2020-07-28 18:58:25,433 WARN L170 areAnnotationChecker]: L689 has no Hoare annotation [2020-07-28 18:58:25,433 WARN L170 areAnnotationChecker]: L926-1 has no Hoare annotation [2020-07-28 18:58:25,433 WARN L170 areAnnotationChecker]: L926-1 has no Hoare annotation [2020-07-28 18:58:25,433 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2020-07-28 18:58:25,434 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2020-07-28 18:58:25,434 WARN L170 areAnnotationChecker]: L753-2 has no Hoare annotation [2020-07-28 18:58:25,434 WARN L170 areAnnotationChecker]: L645-2 has no Hoare annotation [2020-07-28 18:58:25,434 WARN L170 areAnnotationChecker]: L645-2 has no Hoare annotation [2020-07-28 18:58:25,434 WARN L170 areAnnotationChecker]: L594-2 has no Hoare annotation [2020-07-28 18:58:25,434 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-28 18:58:25,435 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-28 18:58:25,435 WARN L170 areAnnotationChecker]: L931-1 has no Hoare annotation [2020-07-28 18:58:25,435 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-28 18:58:25,435 WARN L170 areAnnotationChecker]: L623-2 has no Hoare annotation [2020-07-28 18:58:25,435 WARN L170 areAnnotationChecker]: L623-2 has no Hoare annotation [2020-07-28 18:58:25,435 WARN L170 areAnnotationChecker]: L886-4 has no Hoare annotation [2020-07-28 18:58:25,435 WARN L170 areAnnotationChecker]: L619-5 has no Hoare annotation [2020-07-28 18:58:25,436 WARN L170 areAnnotationChecker]: L619-5 has no Hoare annotation [2020-07-28 18:58:25,436 WARN L170 areAnnotationChecker]: L886-5 has no Hoare annotation [2020-07-28 18:58:25,436 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:58:25,436 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:58:25,436 WARN L170 areAnnotationChecker]: L747-3 has no Hoare annotation [2020-07-28 18:58:25,436 WARN L170 areAnnotationChecker]: L747-3 has no Hoare annotation [2020-07-28 18:58:25,437 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 18:58:25,437 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 18:58:25,437 WARN L170 areAnnotationChecker]: L689-2 has no Hoare annotation [2020-07-28 18:58:25,437 WARN L170 areAnnotationChecker]: L926-5 has no Hoare annotation [2020-07-28 18:58:25,437 WARN L170 areAnnotationChecker]: L926-5 has no Hoare annotation [2020-07-28 18:58:25,437 WARN L170 areAnnotationChecker]: L190-4 has no Hoare annotation [2020-07-28 18:58:25,438 WARN L170 areAnnotationChecker]: L190-4 has no Hoare annotation [2020-07-28 18:58:25,438 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-28 18:58:25,438 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-28 18:58:25,438 WARN L170 areAnnotationChecker]: L747-5 has no Hoare annotation [2020-07-28 18:58:25,438 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 18:58:25,438 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 18:58:25,439 WARN L170 areAnnotationChecker]: L649-2 has no Hoare annotation [2020-07-28 18:58:25,439 WARN L170 areAnnotationChecker]: L649-2 has no Hoare annotation [2020-07-28 18:58:25,439 WARN L170 areAnnotationChecker]: L931-5 has no Hoare annotation [2020-07-28 18:58:25,439 WARN L170 areAnnotationChecker]: L698-2 has no Hoare annotation [2020-07-28 18:58:25,439 WARN L170 areAnnotationChecker]: L190-5 has no Hoare annotation [2020-07-28 18:58:25,439 WARN L170 areAnnotationChecker]: L931 has no Hoare annotation [2020-07-28 18:58:25,439 WARN L170 areAnnotationChecker]: L753-1 has no Hoare annotation [2020-07-28 18:58:25,440 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:58:25,440 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:58:25,440 WARN L170 areAnnotationChecker]: L747-15 has no Hoare annotation [2020-07-28 18:58:25,440 WARN L170 areAnnotationChecker]: L747-15 has no Hoare annotation [2020-07-28 18:58:25,440 WARN L170 areAnnotationChecker]: L194-4 has no Hoare annotation [2020-07-28 18:58:25,440 WARN L170 areAnnotationChecker]: L194-4 has no Hoare annotation [2020-07-28 18:58:25,441 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-28 18:58:25,441 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-28 18:58:25,441 WARN L170 areAnnotationChecker]: L623-1 has no Hoare annotation [2020-07-28 18:58:25,441 WARN L170 areAnnotationChecker]: L623-1 has no Hoare annotation [2020-07-28 18:58:25,441 WARN L170 areAnnotationChecker]: L926-4 has no Hoare annotation [2020-07-28 18:58:25,441 WARN L170 areAnnotationChecker]: L926-4 has no Hoare annotation [2020-07-28 18:58:25,442 WARN L170 areAnnotationChecker]: L747-17 has no Hoare annotation [2020-07-28 18:58:25,442 WARN L170 areAnnotationChecker]: L837-2 has no Hoare annotation [2020-07-28 18:58:25,442 WARN L170 areAnnotationChecker]: L837-2 has no Hoare annotation [2020-07-28 18:58:25,442 WARN L170 areAnnotationChecker]: L747-2 has no Hoare annotation [2020-07-28 18:58:25,442 WARN L170 areAnnotationChecker]: L931-4 has no Hoare annotation [2020-07-28 18:58:25,443 WARN L170 areAnnotationChecker]: L753-5 has no Hoare annotation [2020-07-28 18:58:25,443 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-28 18:58:25,443 WARN L170 areAnnotationChecker]: L747-12 has no Hoare annotation [2020-07-28 18:58:25,443 WARN L170 areAnnotationChecker]: L747-12 has no Hoare annotation [2020-07-28 18:58:25,443 WARN L170 areAnnotationChecker]: L623-5 has no Hoare annotation [2020-07-28 18:58:25,443 WARN L170 areAnnotationChecker]: L623-5 has no Hoare annotation [2020-07-28 18:58:25,443 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-28 18:58:25,444 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-28 18:58:25,444 WARN L170 areAnnotationChecker]: L747-14 has no Hoare annotation [2020-07-28 18:58:25,444 WARN L170 areAnnotationChecker]: L753-4 has no Hoare annotation [2020-07-28 18:58:25,444 WARN L170 areAnnotationChecker]: L623-4 has no Hoare annotation [2020-07-28 18:58:25,444 WARN L170 areAnnotationChecker]: L623-4 has no Hoare annotation [2020-07-28 18:58:25,445 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:58:25,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:25 BoogieIcfgContainer [2020-07-28 18:58:25,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:25,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:25,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:25,450 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:25,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:13" (3/4) ... [2020-07-28 18:58:25,454 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:25,618 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:25,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:25,621 INFO L168 Benchmark]: Toolchain (without parser) took 14789.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 358.6 MB). Free memory was 960.2 MB in the beginning and 994.4 MB in the end (delta: -34.2 MB). Peak memory consumption was 324.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:25,621 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:25,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:25,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.92 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:25,623 INFO L168 Benchmark]: Boogie Preprocessor took 58.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:25,623 INFO L168 Benchmark]: RCFGBuilder took 1625.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.4 MB in the end (delta: 172.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:25,624 INFO L168 Benchmark]: TraceAbstraction took 12069.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.4 MB). Free memory was 938.4 MB in the beginning and 1.0 GB in the end (delta: -87.0 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:25,624 INFO L168 Benchmark]: Witness Printer took 168.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 994.4 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:25,626 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 0.29 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 741.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.92 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.18 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 1625.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.4 MB in the end (delta: 172.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12069.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.4 MB). Free memory was 938.4 MB in the beginning and 1.0 GB in the end (delta: -87.0 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. * Witness Printer took 168.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 994.4 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 837]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] COND TRUE waterLevel < 2 [L862] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L873] COND FALSE !(\read(methaneLevelCritical)) [L876] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND TRUE \read(tmp___2) [L761] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L587] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L594] COND TRUE \read(systemActive) [L642] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L645] COND FALSE !(\read(pumpRunning)) [L616] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L619] COND TRUE ! pumpRunning [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L923] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L621] tmp = isHighWaterLevel() [L623] COND TRUE \read(tmp) [L670] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L183] int tmp ; [L184] int tmp___0 ; [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L188] tmp = isMethaneLevelCritical() [L190] COND TRUE \read(tmp) [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L192] tmp___0 = isPumpRunning() [L194] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L837] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 785 SDtfs, 952 SDslu, 964 SDs, 0 SdLazy, 149 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 483 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 11571 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...