./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product03.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 1d1eb208d6efd7de1545c84c5a943059f225aacb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:00,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:00,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:00,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:00,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:00,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:00,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:00,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:00,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:00,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:00,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:00,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:00,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:00,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:00,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:00,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:00,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:00,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:00,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:00,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:00,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:00,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:00,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:00,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:00,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:00,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:00,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:00,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:00,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:00,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:00,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:00,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:00,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:00,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:00,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:00,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:00,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:00,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:00,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:00,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:00,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:00,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:00,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:00,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:00,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:00,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:00,622 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:00,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:00,622 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:00,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:00,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:00,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:00,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:00,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:00,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:00,624 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:00,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:00,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:00,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:00,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:00,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:00,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:00,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:00,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:00,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:00,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:00,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:00,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:00,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:00,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:00,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:00,627 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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2020-07-28 19:01:00,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:00,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:00,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:00,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:00,973 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:00,973 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2020-07-28 19:01:01,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5a6b552/be2165ecdbb64bb7a993a7abeed2e0a8/FLAGe438d98ff [2020-07-28 19:01:01,524 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:01,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2020-07-28 19:01:01,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5a6b552/be2165ecdbb64bb7a993a7abeed2e0a8/FLAGe438d98ff [2020-07-28 19:01:01,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5a6b552/be2165ecdbb64bb7a993a7abeed2e0a8 [2020-07-28 19:01:01,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:01,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:01,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:01,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:01,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:01,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:01" (1/1) ... [2020-07-28 19:01:01,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472db69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:01, skipping insertion in model container [2020-07-28 19:01:01,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:01" (1/1) ... [2020-07-28 19:01:01,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:01,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:02,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:02,488 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:02,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:02,686 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:02,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02 WrapperNode [2020-07-28 19:01:02,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:02,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:02,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:02,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:02,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:02,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:02,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:02,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:02,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... [2020-07-28 19:01:02,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:02,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:02,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:02,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:02,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:02,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:04,130 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:04,130 INFO L295 CfgBuilder]: Removed 76 assume(true) statements. [2020-07-28 19:01:04,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:04 BoogieIcfgContainer [2020-07-28 19:01:04,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:04,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:04,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:04,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:04,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:01" (1/3) ... [2020-07-28 19:01:04,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d4bddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:04, skipping insertion in model container [2020-07-28 19:01:04,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:02" (2/3) ... [2020-07-28 19:01:04,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d4bddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:04, skipping insertion in model container [2020-07-28 19:01:04,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:04" (3/3) ... [2020-07-28 19:01:04,145 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2020-07-28 19:01:04,157 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:04,165 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:04,180 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:04,205 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:04,205 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:04,205 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:04,206 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:04,206 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:04,206 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:04,207 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:04,207 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-28 19:01:04,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:04,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:04,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:04,234 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:04,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:04,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1892552075, now seen corresponding path program 1 times [2020-07-28 19:01:04,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:04,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215453824] [2020-07-28 19:01:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:04,588 INFO L280 TraceCheckUtils]: 0: Hoare triple {68#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {68#true} is VALID [2020-07-28 19:01:04,589 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {68#true} is VALID [2020-07-28 19:01:04,589 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {68#true} is VALID [2020-07-28 19:01:04,590 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; {68#true} is VALID [2020-07-28 19:01:04,590 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} assume 0 != main_~tmp~5; {68#true} is VALID [2020-07-28 19:01:04,591 INFO L280 TraceCheckUtils]: 5: Hoare triple {68#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {68#true} is VALID [2020-07-28 19:01:04,592 INFO L280 TraceCheckUtils]: 6: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-28 19:01:04,593 INFO L280 TraceCheckUtils]: 7: Hoare triple {69#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {69#false} is VALID [2020-07-28 19:01:04,593 INFO L280 TraceCheckUtils]: 8: Hoare triple {69#false} assume !(0 != ~pumpRunning~0); {69#false} is VALID [2020-07-28 19:01:04,594 INFO L280 TraceCheckUtils]: 9: Hoare triple {69#false} assume 0 != ~systemActive~0; {69#false} is VALID [2020-07-28 19:01:04,594 INFO L280 TraceCheckUtils]: 10: Hoare triple {69#false} havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {69#false} is VALID [2020-07-28 19:01:04,594 INFO L280 TraceCheckUtils]: 11: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret57 && __utac_acc__Specification3_spec__1_#t~ret57 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; {69#false} is VALID [2020-07-28 19:01:04,595 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {69#false} is VALID [2020-07-28 19:01:04,595 INFO L280 TraceCheckUtils]: 13: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret58 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret58 && __utac_acc__Specification3_spec__1_#t~ret58 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret58;havoc __utac_acc__Specification3_spec__1_#t~ret58; {69#false} is VALID [2020-07-28 19:01:04,598 INFO L280 TraceCheckUtils]: 14: Hoare triple {69#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {69#false} is VALID [2020-07-28 19:01:04,598 INFO L280 TraceCheckUtils]: 15: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret59 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {69#false} is VALID [2020-07-28 19:01:04,598 INFO L280 TraceCheckUtils]: 16: Hoare triple {69#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {69#false} is VALID [2020-07-28 19:01:04,599 INFO L280 TraceCheckUtils]: 17: Hoare triple {69#false} assume !false; {69#false} is VALID [2020-07-28 19:01:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:04,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215453824] [2020-07-28 19:01:04,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:04,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:04,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688703984] [2020-07-28 19:01:04,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:04,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:04,624 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:04,673 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:04,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:04,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:04,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:04,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:04,686 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2020-07-28 19:01:04,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:04,903 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2020-07-28 19:01:04,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:04,904 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:04,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2020-07-28 19:01:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2020-07-28 19:01:04,925 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 185 transitions. [2020-07-28 19:01:05,185 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 19:01:05,200 INFO L225 Difference]: With dead ends: 124 [2020-07-28 19:01:05,200 INFO L226 Difference]: Without dead ends: 61 [2020-07-28 19:01:05,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:05,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-28 19:01:05,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-07-28 19:01:05,254 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:05,255 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:05,255 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:05,255 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:05,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:05,262 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:05,262 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:05,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:05,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:05,264 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:05,264 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:05,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:05,270 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:05,270 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:05,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:05,272 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:05,272 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:05,272 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:05,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-28 19:01:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2020-07-28 19:01:05,279 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2020-07-28 19:01:05,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:05,279 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2020-07-28 19:01:05,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:05,280 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:05,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:05,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:05,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:05,282 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:05,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:05,282 INFO L82 PathProgramCache]: Analyzing trace with hash 177187266, now seen corresponding path program 1 times [2020-07-28 19:01:05,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:05,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895733726] [2020-07-28 19:01:05,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:05,432 INFO L280 TraceCheckUtils]: 0: Hoare triple {461#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {461#true} is VALID [2020-07-28 19:01:05,433 INFO L280 TraceCheckUtils]: 1: Hoare triple {461#true} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {461#true} is VALID [2020-07-28 19:01:05,433 INFO L280 TraceCheckUtils]: 2: Hoare triple {461#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {461#true} is VALID [2020-07-28 19:01:05,433 INFO L280 TraceCheckUtils]: 3: Hoare triple {461#true} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; {461#true} is VALID [2020-07-28 19:01:05,434 INFO L280 TraceCheckUtils]: 4: Hoare triple {461#true} assume 0 != main_~tmp~5; {461#true} is VALID [2020-07-28 19:01:05,436 INFO L280 TraceCheckUtils]: 5: Hoare triple {461#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:05,437 INFO L280 TraceCheckUtils]: 6: Hoare triple {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:05,438 INFO L280 TraceCheckUtils]: 7: Hoare triple {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {462#false} is VALID [2020-07-28 19:01:05,439 INFO L280 TraceCheckUtils]: 8: Hoare triple {462#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {462#false} is VALID [2020-07-28 19:01:05,439 INFO L280 TraceCheckUtils]: 9: Hoare triple {462#false} assume !(0 != ~pumpRunning~0); {462#false} is VALID [2020-07-28 19:01:05,441 INFO L280 TraceCheckUtils]: 10: Hoare triple {462#false} assume 0 != ~systemActive~0; {462#false} is VALID [2020-07-28 19:01:05,441 INFO L280 TraceCheckUtils]: 11: Hoare triple {462#false} havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {462#false} is VALID [2020-07-28 19:01:05,441 INFO L280 TraceCheckUtils]: 12: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret57 && __utac_acc__Specification3_spec__1_#t~ret57 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; {462#false} is VALID [2020-07-28 19:01:05,442 INFO L280 TraceCheckUtils]: 13: Hoare triple {462#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {462#false} is VALID [2020-07-28 19:01:05,442 INFO L280 TraceCheckUtils]: 14: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret58 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret58 && __utac_acc__Specification3_spec__1_#t~ret58 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret58;havoc __utac_acc__Specification3_spec__1_#t~ret58; {462#false} is VALID [2020-07-28 19:01:05,442 INFO L280 TraceCheckUtils]: 15: Hoare triple {462#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {462#false} is VALID [2020-07-28 19:01:05,443 INFO L280 TraceCheckUtils]: 16: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret59 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {462#false} is VALID [2020-07-28 19:01:05,443 INFO L280 TraceCheckUtils]: 17: Hoare triple {462#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {462#false} is VALID [2020-07-28 19:01:05,443 INFO L280 TraceCheckUtils]: 18: Hoare triple {462#false} assume !false; {462#false} is VALID [2020-07-28 19:01:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:05,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895733726] [2020-07-28 19:01:05,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:05,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:05,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191678406] [2020-07-28 19:01:05,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:05,452 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:05,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:05,500 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:05,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:05,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:05,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:05,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:05,501 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2020-07-28 19:01:05,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:05,741 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:05,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:05,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:05,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2020-07-28 19:01:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2020-07-28 19:01:05,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 84 transitions. [2020-07-28 19:01:05,851 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:05,853 INFO L225 Difference]: With dead ends: 61 [2020-07-28 19:01:05,853 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:01:05,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:05,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:01:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:01:05,878 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:05,878 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:05,878 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:05,878 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:05,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:05,881 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:01:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:05,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:05,882 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:05,883 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:05,883 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:05,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:05,885 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:01:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:05,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:05,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:05,887 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:05,887 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:05,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:01:05,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 19:01:05,890 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-07-28 19:01:05,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:05,890 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 19:01:05,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:05,892 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:05,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:05,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:05,893 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:05,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:05,894 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2020-07-28 19:01:05,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:05,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631177753] [2020-07-28 19:01:05,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:06,021 INFO L280 TraceCheckUtils]: 0: Hoare triple {660#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,022 INFO L280 TraceCheckUtils]: 1: Hoare triple {662#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,023 INFO L280 TraceCheckUtils]: 2: Hoare triple {662#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,024 INFO L280 TraceCheckUtils]: 3: Hoare triple {662#(= 1 ~systemActive~0)} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,025 INFO L280 TraceCheckUtils]: 4: Hoare triple {662#(= 1 ~systemActive~0)} assume 0 != main_~tmp~5; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,025 INFO L280 TraceCheckUtils]: 5: Hoare triple {662#(= 1 ~systemActive~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,026 INFO L280 TraceCheckUtils]: 6: Hoare triple {662#(= 1 ~systemActive~0)} assume !false; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,027 INFO L280 TraceCheckUtils]: 7: Hoare triple {662#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,028 INFO L280 TraceCheckUtils]: 8: Hoare triple {662#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,029 INFO L280 TraceCheckUtils]: 9: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~0); {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,030 INFO L280 TraceCheckUtils]: 10: Hoare triple {662#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,031 INFO L280 TraceCheckUtils]: 11: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,031 INFO L280 TraceCheckUtils]: 12: Hoare triple {662#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,032 INFO L280 TraceCheckUtils]: 13: Hoare triple {662#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,033 INFO L280 TraceCheckUtils]: 14: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:06,041 INFO L280 TraceCheckUtils]: 15: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {661#false} is VALID [2020-07-28 19:01:06,042 INFO L280 TraceCheckUtils]: 16: Hoare triple {661#false} havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {661#false} is VALID [2020-07-28 19:01:06,042 INFO L280 TraceCheckUtils]: 17: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret57 && __utac_acc__Specification3_spec__1_#t~ret57 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; {661#false} is VALID [2020-07-28 19:01:06,042 INFO L280 TraceCheckUtils]: 18: Hoare triple {661#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {661#false} is VALID [2020-07-28 19:01:06,043 INFO L280 TraceCheckUtils]: 19: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret58 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret58 && __utac_acc__Specification3_spec__1_#t~ret58 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret58;havoc __utac_acc__Specification3_spec__1_#t~ret58; {661#false} is VALID [2020-07-28 19:01:06,044 INFO L280 TraceCheckUtils]: 20: Hoare triple {661#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {661#false} is VALID [2020-07-28 19:01:06,044 INFO L280 TraceCheckUtils]: 21: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret59 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {661#false} is VALID [2020-07-28 19:01:06,044 INFO L280 TraceCheckUtils]: 22: Hoare triple {661#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {661#false} is VALID [2020-07-28 19:01:06,045 INFO L280 TraceCheckUtils]: 23: Hoare triple {661#false} assume !false; {661#false} is VALID [2020-07-28 19:01:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:06,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631177753] [2020-07-28 19:01:06,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:06,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:06,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202733610] [2020-07-28 19:01:06,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:06,052 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:06,052 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:06,096 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:06,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:06,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:06,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:06,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:06,098 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-07-28 19:01:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:06,311 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2020-07-28 19:01:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:06,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:06,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:06,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:06,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:06,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 117 transitions. [2020-07-28 19:01:06,464 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:06,466 INFO L225 Difference]: With dead ends: 81 [2020-07-28 19:01:06,466 INFO L226 Difference]: Without dead ends: 56 [2020-07-28 19:01:06,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:06,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-28 19:01:06,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-07-28 19:01:06,498 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:06,498 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:06,498 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:06,499 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:06,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:06,502 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-07-28 19:01:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-07-28 19:01:06,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:06,503 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:06,503 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 56 states. [2020-07-28 19:01:06,503 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 56 states. [2020-07-28 19:01:06,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:06,507 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-07-28 19:01:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-07-28 19:01:06,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:06,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:06,508 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:06,508 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 19:01:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-07-28 19:01:06,511 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2020-07-28 19:01:06,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:06,512 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-07-28 19:01:06,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-07-28 19:01:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:06,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:06,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:06,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:06,514 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:06,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:06,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2020-07-28 19:01:06,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:06,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355531074] [2020-07-28 19:01:06,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:06,653 INFO L280 TraceCheckUtils]: 0: Hoare triple {965#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,654 INFO L280 TraceCheckUtils]: 1: Hoare triple {967#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,655 INFO L280 TraceCheckUtils]: 2: Hoare triple {967#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,656 INFO L280 TraceCheckUtils]: 3: Hoare triple {967#(= 1 ~waterLevel~0)} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,657 INFO L280 TraceCheckUtils]: 4: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~5; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,658 INFO L280 TraceCheckUtils]: 5: Hoare triple {967#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,658 INFO L280 TraceCheckUtils]: 6: Hoare triple {967#(= 1 ~waterLevel~0)} assume !false; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,659 INFO L280 TraceCheckUtils]: 7: Hoare triple {967#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,660 INFO L280 TraceCheckUtils]: 8: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,661 INFO L280 TraceCheckUtils]: 9: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~0); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,662 INFO L280 TraceCheckUtils]: 10: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,662 INFO L280 TraceCheckUtils]: 11: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,663 INFO L280 TraceCheckUtils]: 12: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,666 INFO L280 TraceCheckUtils]: 13: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,667 INFO L280 TraceCheckUtils]: 14: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,668 INFO L280 TraceCheckUtils]: 15: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,669 INFO L280 TraceCheckUtils]: 16: Hoare triple {967#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,670 INFO L280 TraceCheckUtils]: 17: Hoare triple {967#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret57 && __utac_acc__Specification3_spec__1_#t~ret57 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:06,671 INFO L280 TraceCheckUtils]: 18: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {968#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:06,673 INFO L280 TraceCheckUtils]: 19: Hoare triple {968#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret58 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret58 && __utac_acc__Specification3_spec__1_#t~ret58 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret58;havoc __utac_acc__Specification3_spec__1_#t~ret58; {969#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1 1)} is VALID [2020-07-28 19:01:06,674 INFO L280 TraceCheckUtils]: 20: Hoare triple {969#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {966#false} is VALID [2020-07-28 19:01:06,675 INFO L280 TraceCheckUtils]: 21: Hoare triple {966#false} __utac_acc__Specification3_spec__1_#t~ret59 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {966#false} is VALID [2020-07-28 19:01:06,675 INFO L280 TraceCheckUtils]: 22: Hoare triple {966#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {966#false} is VALID [2020-07-28 19:01:06,675 INFO L280 TraceCheckUtils]: 23: Hoare triple {966#false} assume !false; {966#false} is VALID [2020-07-28 19:01:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:06,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355531074] [2020-07-28 19:01:06,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:06,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:06,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26477424] [2020-07-28 19:01:06,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:06,679 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:06,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:06,718 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:06,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:06,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:06,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:06,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:06,719 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-07-28 19:01:07,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:07,450 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2020-07-28 19:01:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:07,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 220 transitions. [2020-07-28 19:01:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 220 transitions. [2020-07-28 19:01:07,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 220 transitions. [2020-07-28 19:01:07,726 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 220 edges. 220 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:07,738 INFO L225 Difference]: With dead ends: 264 [2020-07-28 19:01:07,738 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 19:01:07,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:07,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 19:01:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2020-07-28 19:01:07,838 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:07,838 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:07,838 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:07,839 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:07,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:07,848 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2020-07-28 19:01:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 321 transitions. [2020-07-28 19:01:07,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:07,851 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:07,851 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 218 states. [2020-07-28 19:01:07,851 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 218 states. [2020-07-28 19:01:07,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:07,861 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2020-07-28 19:01:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 321 transitions. [2020-07-28 19:01:07,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:07,863 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:07,863 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:07,863 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-28 19:01:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2020-07-28 19:01:07,867 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2020-07-28 19:01:07,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:07,868 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2020-07-28 19:01:07,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2020-07-28 19:01:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:07,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:07,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:07,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:07,870 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:07,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:07,870 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2020-07-28 19:01:07,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:07,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343778450] [2020-07-28 19:01:07,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:07,930 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:07,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:08,055 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:08,056 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:08,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:08,191 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:08,191 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:08,191 WARN L170 areAnnotationChecker]: L633 has no Hoare annotation [2020-07-28 19:01:08,191 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-28 19:01:08,192 WARN L170 areAnnotationChecker]: L772 has no Hoare annotation [2020-07-28 19:01:08,192 WARN L170 areAnnotationChecker]: L772 has no Hoare annotation [2020-07-28 19:01:08,192 WARN L170 areAnnotationChecker]: L749 has no Hoare annotation [2020-07-28 19:01:08,192 WARN L170 areAnnotationChecker]: L772-1 has no Hoare annotation [2020-07-28 19:01:08,192 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:01:08,193 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:01:08,193 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-28 19:01:08,193 WARN L170 areAnnotationChecker]: L781 has no Hoare annotation [2020-07-28 19:01:08,193 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:01:08,193 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:08,194 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:08,194 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:08,194 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2020-07-28 19:01:08,194 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2020-07-28 19:01:08,194 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 19:01:08,194 WARN L170 areAnnotationChecker]: L792-3 has no Hoare annotation [2020-07-28 19:01:08,195 WARN L170 areAnnotationChecker]: L792-3 has no Hoare annotation [2020-07-28 19:01:08,195 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 19:01:08,195 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 19:01:08,195 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:08,195 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:08,195 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 19:01:08,196 WARN L170 areAnnotationChecker]: L804 has no Hoare annotation [2020-07-28 19:01:08,196 WARN L170 areAnnotationChecker]: L804 has no Hoare annotation [2020-07-28 19:01:08,196 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-28 19:01:08,196 WARN L170 areAnnotationChecker]: L829-1 has no Hoare annotation [2020-07-28 19:01:08,196 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:01:08,196 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:01:08,197 WARN L170 areAnnotationChecker]: L665-2 has no Hoare annotation [2020-07-28 19:01:08,197 WARN L170 areAnnotationChecker]: L665-2 has no Hoare annotation [2020-07-28 19:01:08,197 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-28 19:01:08,197 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-28 19:01:08,197 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2020-07-28 19:01:08,197 WARN L170 areAnnotationChecker]: L671-3 has no Hoare annotation [2020-07-28 19:01:08,197 WARN L170 areAnnotationChecker]: L861-1 has no Hoare annotation [2020-07-28 19:01:08,198 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:01:08,198 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:01:08,198 WARN L170 areAnnotationChecker]: L701-2 has no Hoare annotation [2020-07-28 19:01:08,198 WARN L170 areAnnotationChecker]: L701-2 has no Hoare annotation [2020-07-28 19:01:08,198 WARN L170 areAnnotationChecker]: L701-2 has no Hoare annotation [2020-07-28 19:01:08,198 WARN L170 areAnnotationChecker]: L671-2 has no Hoare annotation [2020-07-28 19:01:08,199 WARN L170 areAnnotationChecker]: L671-2 has no Hoare annotation [2020-07-28 19:01:08,199 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-28 19:01:08,199 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-28 19:01:08,199 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 19:01:08,199 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 19:01:08,199 WARN L170 areAnnotationChecker]: L702 has no Hoare annotation [2020-07-28 19:01:08,200 WARN L170 areAnnotationChecker]: L186-1 has no Hoare annotation [2020-07-28 19:01:08,200 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-28 19:01:08,200 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-28 19:01:08,200 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-28 19:01:08,200 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-28 19:01:08,200 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-28 19:01:08,201 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-28 19:01:08,201 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-28 19:01:08,201 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-28 19:01:08,201 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:01:08,201 WARN L170 areAnnotationChecker]: L675-2 has no Hoare annotation [2020-07-28 19:01:08,201 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-28 19:01:08,202 WARN L170 areAnnotationChecker]: L230-1 has no Hoare annotation [2020-07-28 19:01:08,202 WARN L170 areAnnotationChecker]: L705-1 has no Hoare annotation [2020-07-28 19:01:08,202 WARN L170 areAnnotationChecker]: L705-1 has no Hoare annotation [2020-07-28 19:01:08,202 WARN L170 areAnnotationChecker]: L650-1 has no Hoare annotation [2020-07-28 19:01:08,202 WARN L170 areAnnotationChecker]: L650-1 has no Hoare annotation [2020-07-28 19:01:08,202 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 19:01:08,203 WARN L170 areAnnotationChecker]: L792-6 has no Hoare annotation [2020-07-28 19:01:08,203 WARN L170 areAnnotationChecker]: L792-6 has no Hoare annotation [2020-07-28 19:01:08,203 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2020-07-28 19:01:08,203 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2020-07-28 19:01:08,203 WARN L170 areAnnotationChecker]: L665 has no Hoare annotation [2020-07-28 19:01:08,203 WARN L170 areAnnotationChecker]: L665 has no Hoare annotation [2020-07-28 19:01:08,204 WARN L170 areAnnotationChecker]: L134-2 has no Hoare annotation [2020-07-28 19:01:08,204 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 19:01:08,204 WARN L170 areAnnotationChecker]: L829-2 has no Hoare annotation [2020-07-28 19:01:08,204 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 19:01:08,204 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-28 19:01:08,204 WARN L170 areAnnotationChecker]: L665-4 has no Hoare annotation [2020-07-28 19:01:08,205 WARN L170 areAnnotationChecker]: L665-4 has no Hoare annotation [2020-07-28 19:01:08,205 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-28 19:01:08,205 WARN L170 areAnnotationChecker]: L671-5 has no Hoare annotation [2020-07-28 19:01:08,205 WARN L170 areAnnotationChecker]: L861-2 has no Hoare annotation [2020-07-28 19:01:08,205 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:01:08,205 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2020-07-28 19:01:08,205 WARN L170 areAnnotationChecker]: L671-4 has no Hoare annotation [2020-07-28 19:01:08,206 WARN L170 areAnnotationChecker]: L671-4 has no Hoare annotation [2020-07-28 19:01:08,206 WARN L170 areAnnotationChecker]: L650 has no Hoare annotation [2020-07-28 19:01:08,206 WARN L170 areAnnotationChecker]: L650 has no Hoare annotation [2020-07-28 19:01:08,206 WARN L170 areAnnotationChecker]: L186-2 has no Hoare annotation [2020-07-28 19:01:08,206 WARN L170 areAnnotationChecker]: L675-4 has no Hoare annotation [2020-07-28 19:01:08,207 WARN L170 areAnnotationChecker]: L675-4 has no Hoare annotation [2020-07-28 19:01:08,207 WARN L170 areAnnotationChecker]: L650-2 has no Hoare annotation [2020-07-28 19:01:08,207 WARN L170 areAnnotationChecker]: L650-2 has no Hoare annotation [2020-07-28 19:01:08,207 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:08,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:08 BoogieIcfgContainer [2020-07-28 19:01:08,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:08,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:08,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:08,211 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:08,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:04" (3/4) ... [2020-07-28 19:01:08,214 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:08,325 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:08,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:08,328 INFO L168 Benchmark]: Toolchain (without parser) took 6424.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 962.9 MB in the beginning and 896.7 MB in the end (delta: 66.2 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:08,329 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:08,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:08,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:08,331 INFO L168 Benchmark]: Boogie Preprocessor took 39.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:08,331 INFO L168 Benchmark]: RCFGBuilder took 1315.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.9 MB in the end (delta: 133.4 MB). Peak memory consumption was 133.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:08,332 INFO L168 Benchmark]: TraceAbstraction took 4072.91 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 954.9 MB in the beginning and 920.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:08,333 INFO L168 Benchmark]: Witness Printer took 114.68 ms. Allocated memory is still 1.2 GB. Free memory was 920.5 MB in the beginning and 896.7 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:08,338 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 781.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1315.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.9 MB in the end (delta: 133.4 MB). Peak memory consumption was 133.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4072.91 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 954.9 MB in the beginning and 920.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. * Witness Printer took 114.68 ms. Allocated memory is still 1.2 GB. Free memory was 920.5 MB in the beginning and 896.7 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] int retValue_acc ; [L764] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 [L182] int retValue_acc ; [L185] retValue_acc = pumpRunning [L186] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 219 SDslu, 197 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 3353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...